/'-\ DOC.
KOC-I-010
Pase 1 of 35
REt/.1
(g.l..j) ca¡¡íJt J¿¿¡ t5,p KUWAIT OIL COM PANY (KS.C.)
STANDARDS PUzuGAT¡ON
KOC STANDARD FOR GONTROL AND SHUTDOWN VALVES
DOC. NO.'KOG-I-010
STANDARDS TEAM
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Page 2 of 35
DOC. NO. KOC-|-O1o
KOC STANDARD FOR
CONTROL AND SHUTDOWN VALVES
DOC. NO. KOC-|-O10
ISSUING AUTHORITY:
STANDARDS TEAM
1
31.03.2002
/ss¿cdas KOC Standad
Rêv.
Date
Desc¡iptlon
Task Fo¡c¿
sil. Enü.
Stds. Ct
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Page 3 of 35
DOC. NO. KOC-|-O1o
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TABLE OF CONTENTq PAGE NO. FOREWORD
5
1.O
SCOPE
6
2.O
APPLICATION
6
3.O
TERMINOLOGY
4.O
3.1 3.2
Definitions Abbreviations
REFERENCE CODES & STANDARDS
4.1 4.2
Gonflicts List of Standards and Codes
'6 6 6 7 7 7
5.O 6.0
ENVIRONMENTAL CONDITIONS
9
HEALTH, SAFETY AND ENVIRONMENT
I
7.O
SERVICE CONDITIONS
I
8.O
9.O
7.1 7.2
Suitability for Specific Service
CONTROL VALVES
8.1 A.2 8.3 8.4 8.5 8.6
General requirements Valve Body Valve Trim Bonnet Packing Box Assembly and Packing Materials Seat Leakage
CONTROL VALVE ACTUATORS 9.1 General
9.2 9.3 9.4 9.5 9.6 10.0
Gorrosive $ervices
DiaphragmActuators Piston Actuators
HydraulicActuators Self Actuated Control Valves Etectrlc Actuators
CONTROL VALVE ACCESSORIES 10.1 Valve Positioners 1O.2 Air Lockup Kits 1O.3 Transducers 1O.4 Handwheels
9
f0 10 10 11
12 13
13
14 14 14 15 16 16 16 17 17 17 19
19 19
1O.5
L¡m¡t Sw¡tches
20 ?Ð
1O,7
Air Filter Regulator Sets Solenoid Valves Air Volume Booster Relays
10.6
10.8 10.9
Mounting of
2b 21
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DOC. NO. KOC-|-O1o
11.O
12.O
13.0 14.O
16.O
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VALVE NOISE, FLASHING AND CAVITATION 11.1 Valve Noise 11.2 Flashing and Cavitation
21
21
22
12.A Vaþe Position
22 22 23 23 24 24 24 25 25
F¡RE PROTECTION
25
IDENTIF¡CATION NAMEPLATES 14.1 ldentification of Control and Shutdown Vatves 14.2 ldentification of Valve Accessories
26 26 26 27
SFIUTDOWN VALVES General Seat Leakage
12.1 12.2 12.3 12.4 12.5 12.6 12.7
14.3 15.O
Page 4 of 35
Actuator for Shutdown Valves Air Reservoirs L¡m¡t Switches Solenoid Valves
PushbuttonControl lndicators
lndication of Direction of Flow
27 27 27 28
PERFORMANCE, INSPECTION AND TESTING REOUIREMENTS
15.1 General 15.2 lnspection and Testing Plan 15.3 Valve Testing 15.4 Actuator Testing 15.5 Gertification
2A
28
ELECTROMAGNETIC COMPATIBILITY AND RADIO FREOUENCY INTERFERENCE (RFI}
29
17.O
EOUIPMENT IN HAZARDOUS AREA 17.1 General 17.2 Hazardous Area Certification
29 29 30
18.O
OUAL¡TY ASSURANCE
30
19.0
PACKING. MARK¡NG AND DOCUMENTATION
30
SPARE PARTS AND MAINTENANCE REOUIREMENTS
31
20.0
2Oj
31 31
General
2O.2 ConstructionSpares 2O.3 GommissioningSpares 2O.4 Operating Spares 2O.5 lnsurance Spares
21.O
APPENDIX.I
31
32 32 33
DATA SHEET FOR CONTROL VALVE
APPENDIX-2 DATA
34
SHEET FOR SHUTDOWN VALVE
35
ACKNOWLEDGEMENT
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DOC. NO. KOC-|-Olo
FOREWORD
This document "KOC Standard for Conüol and Shutdown Valves" (KOC-|-O10) is intended to provide minimum requirements for Control Valves and Shutdown Valves to be installed at KOC Facilities in Kuwait. This Standard has been approved by the Standards Team in consultation with the Standard Technical Committee {STC} for use throughout the corpirrate Engineering and operational functions of Kuwait Oil Company (K.S.C.). This Standard sets out to achieve the following objectives:
a)
provide technical guidance and establish the base document for developing proþct/material specifications for control and shutdown valves with a view to achieve uniformity, quality, reliability and efficiency in an
to
economical manner. b)
maintain the KOC requirements of safety and protection to plant, personnel and environment established by KOC's Fire & Safety Regulation, Health, Safety & Environmental Management System
to
(HSEMS) and HSE Policy; c)
to set out minimum
features required, Data Sheets have been included which will act as a checklist to ensure that all requirements for design, construction, inspection and testing of control and shutdown valves are covered.
Feed back as well as any comments or suggestions derived from the application of this Standard at any stage of design, construct¡on or operation are invited and should be directed to:
Team Leader Standards Team (Chairman, Standards Technical Committee) Loss Prevention Group, K.O.C P.O.Box-9758, Ahmadi- 61 OO8 State of Kuwait.
Task Force responsible for this Stqndard The preparation of this Standard was entrusted by Standards Technical Committee to the Task Force (TF-|/O2) comprising of the following members: Dr. Mohammad llyas Mr. A.Unnikrishnan Mr. Louis Thiagaraj Mr. G.Santhosh Kumar Mr. S.Chandrasekhar
(Standards Team) (StandardsTeam ) (Maint.Team East)
: Task Force Leader : Author/ Member : Member (lnspectionTeam) : Member (Opns.Tech.Svcs.Team-S) : Member
Tel No.61406 Tel No.61633 Tel No.22416 Tel Nb.61250 Tel No,22122
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DOC. NO. KOC-|-o10
1.0
SCOPE
1.1
This Standard spec¡f¡es the minimum requirements for Control and Shutdown Valves, including actuators and accessories for installation at various facilities within KOC.
1.2
This Standard also covers the performancei .inspection and testing requirements for Control and Shutdown Valves.
2.O
APPLICATION
2.1
The design, material of construction, performance, inspection and testing of Control and Shutdown Valves shall comply with all the relevant requirements specified in this Standard and the reference standards / codes ment¡oned herein. Proþct specific requirements, shall be indicated in the Data Sheet.
2.2
Any exceptions or deviations from this Standard, along with their merits and justifications, shall be brought to the attention of KOC's Controlling Team for their review, consideration and amendment by Standards Team (if required).
2.3
Compliance with this KOC Standard does not of itself confer immunity from legal or statutory obligations
3.O
TERMINOLOGY
3.1
Definitions For the purposes of this Standard, the foltowing definitions apply.
3.1.1
Fouling
The build up of process fluid or debris on the trim parts of the valve.
3.1.2
Sulphide Stress Cracking
Brittle failure by cracking under the combined action of tensile stress and corrosion in the presence of water and HrS.
3.2
Abbreviations EIP
Voltage to Pneumatic
EMC
Electromagnetic CompatibilitY
EMI
Electromagnetic lnterference
ESD
Emergency Shutdown
Ct
N **rt*r;.{t/
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FCI
Fluid Controls lnstitute
F&G
Fire and Gas
HIC
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DOC. NO. KOC-|-O1o
-
Hydrogen lnduced Cracking
H-S 2
Hydrogen Sulphide
HSE
Health, Safety and Environrnent
HSEMS
Health, Safety & Environmental Management System
ISA
The tnstrumentation, Systems, and Automation Society
KOC
Kuwait Oil Company (K.S.C.)
MSS
-
Manufacturer's Standardisation Society of the Valve and Fittings lndustry lnc.
NPS
-
Nominal Pipe Size
PFD
-
Process Flow Diagram
P&lD PTFE
Piping and lnstrumentation Diagram
-
RFI 4.O
REFERENCE
4.1
Conflicts
Polytetrafluoroethylene Radio Frequency lnterference
coDEq AND STANDA\RDS
ln the event of conflicts between this Standard and the tatest edition of standards/ codes referred herein, or other purchase or contractual requirements, the most str¡ngent requirement shall app¡y.
4.2
List of Standards and Codes
Control and Shutdown Valves shalt conform in design, manufacture, performance and testing, except where otherwise specified, with the current issue of the applicable codes and standards. of which the following are listed : ...'.
4.2.1
lnternational rEc 60529
Standards
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Degrees of Protection Provid
osures
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IEC
60534 Parts
1-8
lndustrial Process ControlValves Electromagnet¡c Compatibility (EMC)
lEc 61000
4.2.2
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Page 8 of 35
DOC. NO. KOC-|-O1o
National Standards API 6FA
Specification for Fire Test for Valves
APt 553
Refinery ControlValve
APr 607
Fire Test for Soft
ASME SEC VIII DIV
-Seated Ouarter-Turn Valves
Rules for Construction
1
of Pressure Vessels
ASME 816.5
Pipe Flanges and Flanged Fittings NPS 1/2 through NPS 24
ASME 816.34
Valves - Flanged, Threaded and Welding End
ASTM 4193
Standard Specification for Alloy-Steel Stainless Steel Bolting Matérials for
and High
Temperature Service
ASTM A32O
Standard Specification for Alloy/Steel Bolting Materials for Low Temperature Service
FCt 70-2
Control Valve Seat Leakage
¡sA 75.01
Flow Equations for Sizing Control Valves
tsA 75.03
Face-to-Face Dimensions
for
lntegral
Flanged
Globe Style Conûol Valve Bodies
for
Flangeless Conûol
lsA 75.04
Face-to-Fâce Dimensions Valves
MSS-SP 25
Standard Marking Systems for Valves, Fittings, Flanges and Unions
NACE MR 0175
Sulfide Stress Cracking Resistant Metallic Material for Oilfield Equipment
4.2.3
KOC Standards KOC Recommended Practice
KOC-E.004 Part-1
,'
Installation 'Equipment
for
Selection, and Maintenance of Electrical in Hazardous Areas: General
Requirements
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DOC. NO. KOC-|-Oî0
KOC-E-OO4 Part-2
Flameproof Enclosure "d"
KOC-E-OO4 Part-3
lntrinsic Safety "i"
KOC-G-OO2
KOC Standard
KOC-G-004
KOC Standard
for Hazardous Area Ctassification
for
Packing, Marking
and
Documentation
for Basic Design Data
KOC-G-OO7
KOC Standard
KOC-G-OOg
KOC Standard for Spare Parts and Maintenance Data
KOC-P-oo1
KOC Standard for Painting and Coating Surface-New Construction
of
Metal
5.0
ENVIRONMENTAL COND¡TIONS
5.1
The environmental conditions in Kuwait are severe and shall
be
considered carefully before selection of Control and Shutdown Valves. All the equipment shall be suitable for continuous operation at a desert tocation under high ambient temperature and humidity. The atmosphere shall be considered hydrogen sulphide.
to be dusty and corrosive and may contain traces of
5.2
Refer to "KOC Standard for Basic Design Data" (KOC-G-OO7) which provides the detailed design information regarding the environrnental, site and utility supply conditions prevailing throughout the KOC Facilities.
6.0
HEALTH. SAFETY ANp ENVIRgNI\'IENT
requirements of KOC's Fire & Safety Regulation, Health, Safety & Environmental Management System (HSEMS) and HSE Policies shall be adhered to while performing the Control and Shutdown Valve design and installation.
All relevant safety
7.O
SERVICE CONDITIONS
7.1
Corroqilre Services
7.1.1
General
Materials used for the manufacture of the Control and Shutdown Valves shall be suitable for the application specified in the Data Sheeit' and be electrochemically compatible with actuator, process piping and securing bolts and brackets.
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7.1.2
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Sulphide Stress Cracking Considerations: a)
The materials, manufacturing methods and testing for all Control and Shutdown Valves to be installed in hydrocarbon fluid service shall be in accordance with the requirements of NACE MROl75 specification.
b)
7.1.3
The requirements stated in clause 7.1.2{'a1 above shall apply to all components of valves and valve accessories that can come into contact with the process fluid and its vapour
Hydrogen lnduced Cracking Considerations: Consideration shall also be given to the likelihood of hydrogen induced cracking (HlC). Where resistance to HIC is specifically called for in the specification/data sheet, the Control and Shutdown Valves and its components shall be manufactured using materials not susceptible to HIC and prior approval from KOC shall be taken on this regard.
7.2
Suitabiliûr..forSpecificService The valves and all its accessor¡es to be installed 'in any other service, as specified in the project specification/Data Sheet shall be suitable for operation in such services without any adverse effect.
8.0
CONTROf- VALVES
8.1
General Reouirements
8.1.1
Control valves used for the control, throttling and regulating of process
flow shall be selected to meet the pressure drop, temperature, performance and rangeability requirements.
8.1.2
Globe type control valves are normally used for all general applications, and characterized ball valves are used for control of large volume of flow or high shutoff requirements.
8.1.3
Double-seated full-ported ball valves are used for on-off application; eccentric rotating plug valves are used for large volume, low-pressure drop applications; angle valves are used where it is necessary to prevent the accumulation of solids, and on erosive or flashing service.
8.1-4
The globe-bodied valves shall be "iop and bottom" guided or cage guided unless otherwise specified in the Data Sheet.
8.1 .5
Valves shall be sized on the basis of technical parameters specifiád in the rovide adequate Data Sheets, P&lD, PFD , equipment and piping data, control and rangeabillty.
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8.1.6
The rate of flow and pressure drops under design conditions, as well as other known factors such as fluid temperature, density, viscosity and vapour pressure shall be considered while sizing of valves . Valve sizing calculations shall be performed based on ISA 75;01. Calculations submitted by manufacturers based on any other equivalent standard shall be subject to KOC approval.
8.1.7
The sizing shall be such that the normal design flow is between 7Oo/o and gO% of the fully open valve capacity, unless otherwise specified.
8.1.8
Where three-way valves are specified, it shall be clearly identified as flowmixing or flow-splitting in accordance with the intended application.
8.1.9
Three-way valves shal! be capable of operating against the maximum design differential pressure that can exist across a single port.
8.2
Valve Bodv
8.2.1
The pressure rating of control valves shall be to pipe line rating with minimum of ANSI class 300 for valves of 2OOmm (8") sizes and below.
8.2.2
Unless otherwise specified in the Data Sheet, the control valve shall be flanged type to facilitate removal of the vatve from the pipeline. The flanges shall be in accordance with the requirements of ASME B 16.5. Butt welding/screwed ends shall be subject to KOC approval.
8.2.3
In case of butt-welded type, the valve body mater¡al shall be
a
weld
compatible with the adjoining pipe material.
8.2.4
The Face-to-Face dimensions for integral flanged globe style control valves shall comply with the requirements of ISA 75.03. and Face-to-Face dimensions for flangeless control valves shall comply with the requirements of ISA 75.04. Face-to-Face dimensions based on any other equivatent standard shall be subject to KOC approval.
8.2.5
Control Valve body material shall be selected based on the pressure and temperature requirements and shall be resistant to corrosion, erosion and cavitation effects of the fluid to be handled.
8.2.6
The size of globe and ball valve body shall not be less than two pipe sizes smaller than the line size.
8.2.7
The minimum size of globe and ball valve bodies shall be NPS 1. Body sizes corresponding to NPS 1-114, NPS 2-112, NPS 3-',112, and odd'Sizes above NPS 4 shall not be used. r'l
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8.3
Valve Trim
8.3.1
The valve trim consists of the removable internal parts of the valve contacting the flowing fluid, which includes the valve seat, plug, stem, cage etc.
8.3.2
The trim shall be of top entry design
to facilitate easy maintenance
and
replacement.
8.3.3
The process design. shall specify the type of control valve trim appropriate for the required flow characteristic viz. Quick Opening, Linear, Equal Percentage and modified equal percentage as applicable.
8.3.4
The valve character¡stic shall be selected so as to obtain a linear installed valve characteristic over the operating range.
8.3.5
Equal percentage plugs are generally used for flow control applications and linear plugs for applications where most of the system pressure drop occurs across the control valve.
8.3.6
The flow direction shall be such that the flow tends to close the valve for liquid services unless otherwise specified.
8.3.7
The valve internals including bohing materials shall be selected for the individual service, meeting the NACE 0175 as a minimum for all hydrocarbon services.
8.3.8
The manufacturer shall provide the control valve trim suitable for the service conditions specified and ensure that it withstands the effects of wear, erosion, galling, corrosion and meets the requirements for cavitation, noise level etc. as specified in the data sheet, with prior approval from KOC.
8.3.9
Where specifically called for in the Data Sheet the internals of control valves shall be hard faced to improve erosion resistance and reduce galling between moving párts.
8.3.10
Control valves with soft seats shall only be employed when the specified degree of shut off cannot be achieved using metal seats.
8.3.11
Soft seated control valves shall be so designed that, upon any damage to the soft seat, the leakage class of the valve is degraded only by one (1) class, from the original ctass, by proper application of secondary metal-tometal seat.
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4.4
Bonnet
8.4.1
The bonnet shall be bolted type with machined step for gasket retention and guiding.
8.4.2
The bolting material shall be compat¡ble with the valve body, bonnet and shall comply with the requirements of ASTM A193/ A32O for different temperature applications.
8.4.3
Where the temperature of the controlled fluid exceeds 230oC (45OoF), bonnets with extension / fins shall be used to prevent extreme temperatures being transmitted to gland packing and actuators.
8.4.4
Valves to be provided with heat tracing, shall also use extended bonnets
8.4.5
For specified duties e.g. toxic, control valve stems should be bellows sealed, with an independent gland seal, the enclosed space being monitored for bellows leakage. The materials used for bellows shall meet the requirements of clause 7.1 as applicable.
8.5
Packinq Box Assemblv and Pe-cking Materials
8.5.1
Control valves shall be provided with a packing box assembly to prevent leakage of process fluid past the valve stem.
8.5.2
The packing box assembly with packing flange, packing follower, lantern ring, packing rings etc. shall be easily accessible for periodic adiustment.
8.5.3
The valves shall be drilled and tapped to accept a gland lubricator unless otherwise specified.
8.5.4
The packing material shall withstand sudden change in
8.5.5
The materiat used for packing shall be able to minimise friction and reduce fugitive emissions to meet regulatory requirements.
8.5.6
lnterlocking self lubricating gland packing with spring followers shall be used for valves on clean fluid application.
8.5.7
Braided packing shall be used on valves on higher temperature duties or where chances of carbon or other deposits settl¡ng on the stem.
operating pressure, chemically ¡nert, elastic, easily deformable, fire resistant and be suitable for the process application
..
8.5.8
For services upto 230"C (4sQoFl, valve packing materials using P,TfE snall be used.
8.5.9
Graphite laminated or performed ring pack¡ng F). temperatures upto 5ffi"
be used for
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DOC. NO. KOC-|-oî0
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Page 14 of 35
mater¡al developed by manufacturers for packing with proven records shall be used with prior approval from KOC.
8.5.10 Any other latest
8.5.11 Asbestos shall not be used
as a packing mater¡al.
8.6
Seat Leakage
8.6.1
The seat leakage class for a conûol valve shall be selected based on the requirement of how t¡ghtly the valve shouH shut off in service.
8.6.2
Valve Data Sheets shall state the maximum allowable seat leakage in accordance with ANSI FCI-7O-Z, which can be tolerated for a specific application
8.6.3
Unless otherwise specified, the seat leakage class for conÛol valve for norrnal operation shall be Class lV based on the values given in ANSI FCt-70-2.
8.6.4
Control valves to be installed on an intermittently operated system connected to a continuous process at the downstream end (such as Water draw-off, sump and other recovery services), control valves on export ends of facility, fuel gas services, discharge lines to flare etc. shall be class Vl to meet tight shutoff {TSO) requirement unless otherwise specified in the Data Sheet.
9.0
CONTROL VALVE ACTUATORS
9.1
General
9.1.1
The actuator shall be supplied together with the valve as an integral unh, unless otherwise specified.
9.1.2
The actuator shall be direct or reverse act¡ng according to the process requirement.
9.1.3
The actuator shall be sized
to
meet control, shutoff, and valve leakage
requirements.
9.1.4
The actuator shall be able to overcome a minimum of 125o/o of the worst predictable process and mechanical forces within the valve, inclusive of fluid shutoff pressures, coking or solids, gland compression, stiction, friction and all other expected forces.
9.1.5 lf back-flow protection is part of the valve service, the actuator
shall be
designed for producing the required force to achieve the operation.'r'.
9.1.6
Sizing criteria for açtuat'ors for three-way valves shall be chosen to enable differential pressure the valve to operate against the worst maximum d across a single port
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9.1.7
The actuator shall be sufficiently powerfulthat bench setting for achievement of specified leakage rate is not required.
9.1 .8
All control valves shall be provided with an indicating device to show the position of the valve, whether under the action of the- actuator or handwheel.
9.1.9
Valve position shall be indicated on a scale on the actuator yoke or by marking on the stem of a rotary type valve. compressor anti-surge applications shall be fast acting globe type, with actuators to meet the stroke timing, as specified in the Data Sheet to meet the following:
9.1.10 Conüol valves for
a)
full stroke time including pre-stroke dead time
b)
valve throttle t¡me to reach desired position after a specified in l/P signal;
c)
;
o/o
change
valve throttle time to intermediate position after a specified oó ramp change in l/P signal.
9.2
Diaphreom Actuatorq
9.2.1
The. pneumatic diaphragm actuators shall be totally enclosed spring-return type untess otherwise specified.
9.2.2
The spring shall be corrosion resistant having linear characteristic over the stem travel range, and shall have a readily accessible adjusting nut.
9.2.?
The yoke shall be of cast steel or ductile iron, adequately painted or plated against the environment.
9.2.4
The normal operating range of diaphragm valves shall be 0.2 to 1.0 barg (3 to 15 psig) and the maximum operating pressure shall not exceed 4.O barg (60 psig), unless otherwise specified.
9.2.5
Reverse-acting diaphragm actuators shall be used only for those applications, where the direct-act¡ng type of actuator is not suitable or specifically called for in the Data Sheet.
9.2.6
Actuator failure mode must accomplish the valve fail positions. The required fail position of the valve shall be as specified on valve Data Sheets. lt may be "Fail Open", "Fail Closed", or "Fail Locked i Hold".
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DOC. NO. KOC{-010
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9.3
Piston Actuators
9.3.1
Piston actuators shall be used, where long stroke required for the operation of the control valve.
9.3.2
Double acting piston actuator shall be provided with an external volume tank and trip system to achieve the desired failure position.
9.3.3
The tank shall be provided with a drain valve, pressure gauge and relief valve.
9.3.4
Piston actuators shall be sized to supply the specified force using no more than 5.0 bars (75 psig), but must be suitably rated for pressures up to 8.5 bars (125 psig)
9.4
Hydraulic Actt¡ators
9.4.1
Where specificatly called for in the project document I Data Sheet, hydraulic actuator shall be provided along with a pneumatically driven pump to supply the required hydraulic pressure for operation of the valve.
9.4.2
The drive medium for the pump could be either air or hydrocarbon gas as specified. ln case of air driven pumps, the required air pressure shall not be greater than 5 barg (75 psig).
9.4.3
Where the medium used is hydrocarbon gas, the material of construction shall meet the requirements of NACE O175.
9.4.4
The actuator shall be provided
or high thrust is
with the following:
a)
a separate hand-operated pump for manual operation;
b)
selector switches
for
remote/local mode and auto/open/close
operat¡on.
9.5
Çelf Actuated.Control Valves
9.5.1
Where specifically called for in the P&lD/Data Sheet self actuated control valves shall be used for local, fixed gain control of utilities.
9.5.2 The actuator
including the spring shall
be suitable for the
service
specified.
9.5.3
For hydrocarbonlfuel gas services, the actuator shall be non-bleed type and sealed. lf any bleed is inevitable, it shall be piped to a safe location.
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9.5.4
The self-actuated valve shall not be used in the following applications:
a)
9.6
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DOC. NO. KOC-!-O1o
where the down stream of self-actuated control valve is connected
to a pressure system i
b)
for t¡ght shutoff applications;
c)
sour gas and produced water services.
Electric Actuators
Where specifically called for in the project document/Data Sheet, electrically powered actuators suitable for the part¡cular service and certified for using in the specified hazardous area shall be provided-
1O.0
CONTROL VALVE ACCESSORIES
1O.1
Valve Positioners
10.1.1
General a)
Where specified in the Data Sheet, the 'conÛol valves shall be provided with valve positioners, to compare the valve stem position with the signal generated by the controller, and increase or decrease the air pressure in the actuator until the correct stem position is obtained.
b)
Valve positioners shall be designed to achieve the following functions:
the "fail
safe"
t.
reverse the valve action without changing action of the spring in the actuator;
¡¡.
modify the control valve flow characteristic;
ilt.
increase the thrust in spring diaphragm actuators;
iv.
reduce hysteresis;
V.
split range operat¡on (however use of positioner for split range is subject to KOC's approval on a case to case basis);
VI
improve the resolution or sensitivity of the actuator where high precision valve control is required
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DOC. NO. KOC-|-O1o
1O.1.2 Pneumatic Positioners a)
b)
Pneumatic positioners shall be suitable for O.2 to 1.0 barg (3 to15 psigl input signal, and the output shall be within the range O.2 to 1.0 barg (3to15 psig), unless otherwise specified.
It shall be fitted w¡th 50 mm dial pressure gauges indicating the air supply pressure, signal ¡nput pressure and the ouþut pressure to the valve actuator.
c)
d)
Unless otherwise specified, the air connection to the positioners shall be of size 1/4 NPT.
The positioner shall be reversible in the f¡eld, and shall be fully adjustable for span.
e)
The positioner shall be side mounted on globe valves, and be top mounted on quarter-turn valves. The pressure gauges for the top mounted positioner shall be provided with bottom connection.
f)
A
pneumatic bypass shall be fitted to all positioners for 0.2 to 1.0 barg (3 to 15 psig) actuators, untess otherw¡se specified in the Data Shoet.
s)
Positioner cases shall be resistant to the environmental conditions and the bleed port protected from wind-blown dust and sand.
h)
All mechanical linkages, fastenings etc. shall be suitable for operation in the sandy environment and shall be of stainless steel material.
10.1.3
Electro-Pneumatic Positioner a)
Electro-pneumatic positioners shall be suitable for input signal of 4-2O mA.
b)
The Electro-pneumatic positioners shall be provided with two 50 mm pressure gauges to display the air supply and output signal air pressure.
c)
The positioner shall be certified for use in the hazardous area
as
specified in the Data Sheet
1O.1.4 SmartPositioners
a)
Smart positioners shall be technology.
ffi
of
microprocessor based, using latest
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DOC. NO. KOC-!-O1o
b)
Page 19 of 35
REV.1
Positioners shall be suitable for an input signal otherwise specified.
c) lt shall have .facility for remote
of 4-2Q mA
unless
calibration, monitoring and
diagnostics.
d)
The positioners shal! be certified for use in the hazardous
area
specified in the Data Sheet.
1O.2
Air Lock-Up Kits
10.2.1 Air tock-up kits shall be mounted and piped on the valve, to hold the valve position, in the event of plant air supply pressure falls below a certain level.
10.2.2 The lock-up relay shall detect low pressure downstream of the air set and lock-in the air contained in the actuator. The system shall normally be selfresetting.
10.3
Transducers
10.3.1 Electro-pneumatic transducers shall convert the electrical signals to
pneumatic signals in an electronic control toop, for providing input to the pneumatic actuators.
10.3.2 The Electro-Pneumatic Transducer shall be mounted adjacent to actuators.
10.3.3 The transducer shall be suitable for an input of 4-2OmA DC and the output shall be O.2 to 1 barg (3 to 15 psig) unless otherwise specified 10.3.4 The transducer shall be weatherproof and certified for the electrical
area
classification as specified in the Data Sheet.
10.4
Handvy-heels
10.4.1
Handwheels shall be side mounted, lockable and linked in such a manner that the actuator can be removed when the handwheel is engaged.
10.4.2 The operationat force required for the handwheel shall not exceed 22O N at the rim unless otherwise specified. 10.4.3
10.4.4
The handwheel shall be ergonomically designed and sized, so that the number of turns required to open or close the valve is minimum ing is imp'rqctical or undesirable. ln such cases assigned to the removed unit.
a
suitably designed
lace shall
be
DOC. NO. KOC-|-O1o
Page 2O of 35
REV.1
10.4.5 The handwheel shall be provided with a declutchable device to
prevent
rotation when the motor is operating.
10.5
Limit Switches
10.5.1
Limit switches shall be of hermetically sealed proximity / mechanical type, as specified in the Data Sheet.
10.5.2
The limit switch shall be supplied mounted in an enclosure sealed to lP 65 in accordance with IEC-60529, certified for using in the hazardous area as specified in the Data Sheet
10.5.3
The switch box, complete with internally adjustable switch actuators shall be mounted on the valve yoke and shall be driven by stainless steel linkages and shafts properly sealed for use in the sandy environment.
10.5.4
The limit switch shall be suitable for lugged termination of cable of minimum size 2.5 mm2.
10.6
Air Filter Requlator Qets
10.6.1
Each valve or individual pneumatic instrument connected to the valve shall be fitted with an air filter regulator set. This shall consist of an air regulator with suitable spring range, an integral filter, drain bowl and a 50 mm dial output air pressure gauge.
10.6.2 The air filter regulator set shall be with a port size of
114 in. NPT, unless otherwise specified. Spring adjustment shall be by means of stainless steel screw and locknut.
1O.7 10.7.1
Solenoid Valves
Solenoid valves shall be direct act¡ng, spring return type of robust construction designed for industrial use. The coil and spring power shall be selected to provide ample operational force to position the solenoid correctly under all applicable service conditions
10.7.2 The solenoid valves shall be suitable for continuous duty, with
class-H
insulated high temperature rated encapsulated coils.
10.7.3
The operating voltage shall be 1 10 V, 50 Hz AC unless otherwise specified.
10.7.4
The solenoid shall generally be factory mounted to the valve and where this is not possible, it shall be tested with the valve. hooked up in a way that i': closely approximates the final installed situation.
10.7.5
Solenoids shall be dust and weather pro of to 6os2e and namep,oor,kffiW"o.
ance with IEC-
rp *
10.8
REV.l
Page 21 of 35
DOC. NO. KOC-|-O10
Air Volume Booster Rejavs air-volume booster relay, that ampl¡fies the capacity of a control signal and improves the response of the control valve, shall be provided where specified in the Data Sheet
10.8.1 An
10.8.2
Volume booster relays shall be used in cases where the control valve is located far away from its pneumatic controller, where the valve has a large pneumatic diaphragm and where fast valve response is required.
10.9
Mounting of Accessories
10.9.1
The installation arrangements for the valve shall be carefully reviewed before designing the accessory rnounb to ensure that the completed system ¡s accessible for operation and maintenance in the installed position. The following accessories, as applicable shall be supplied as a fully mounted and tested assembly unless otherwise specified:
a)
pneumatic or EIP positioner
b)
solenoid valves
c)
limit switch sets, position transmitters;
d)
handwheel;
e)
lock-up kits.
;
;
10.9.2 Air filter
regulator sets, backup reservoir and fail-safe kits shall normally be tested with the valve but supplied loose for mounting adjacent to the valve, unless specifically called for in thé project document.
10,9.3
All piping and fittings on the valve and accessories shall be of stainless steel provided with twin ferrule fittings. The size shall be 3/8 in. for power air connection and 1 l4 in. tor signal connection unless otherwise specified.
10.9.4 All bleed ports of the valve accessories shall be installed in such a way that the vents are tubed downward 1
1.O
VALVE NOISE, FLASHING AND CAVITA.TION
I
1.1
Valve Noise
11
.'l
.1
turbulent flow, cavitation ' and mechanical vibration shall be assessed and tested in accordancei'.with the requirements of IEC 60534-8.
Control valve noise as
a result of
11.1.2 The manufacturer shall sùbmit valve noise calculations for (,
KOC approval.
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11.1.3 The maximum allowabte noise level at one (1) meter downstream and one (1) meter from the pipe surface shall be 85 dBA unless otherwise specified in the Data Sheet.
11.1.4
Noise reducing design based on source treatment incorporating multipath, multistage trim shall be used to limit ttre noise to the specified levels.
11.1.5 ln exceptional
cases where the specified noise level cannot be achieved by noise reducing methods using path treatment shall be used treatment, source with prior approval from KOC.
11.2
Flashing aru! Cavitation
11.2.1
Valves used in flashing and cavitation services shall be specially designed for these services. Valves of low recovery type, using frictional paths, multiple port cages, vortex flow or other methods of velocity and anti-cavitation control shall be used to meet the requirement. The methods used to achieve the controlshall be approved by KOC.
11.2.2
Potential blockage of the trim shall be carefully considered for low recovery valves. Design appraisal by the manufacturer shall ensure that any particulates or sludge present in the process will not block the passages.
12.O
SHUTDOWN VALVES
12.1
General
L
Emergency Shutdown (ESD) and process isolation, to stop uncontrolled release of flammable or toxic materials are covered in this section.
12.1.1 The Shutdown valves used for
12.1.2 Shutdown valves shall be double-seated ball valves where operating conditions permit. These valves shall be designed for pipeline rated pressure at each location with a minimum of ANSI class 3OO.
12.1.3 The shutdown valves shall be pneumatic/hydraulic driven, designed to be fail-safe, with an adequate reservoir of air at each valve, to ensure valve operat¡on to a plant "safe condition", when an electrical or instrument a¡r failure occurs. 12.1.4
The shutdown vatve package shall have all the control and auxiliary items required for the operation of the valve, which includes; solenoid valves, limit switches for sending valve position índication and alarms to remote locations, pushbuttons, position lndicator etc. as specified in the P&lD/ i'l Data Sheet.
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REV.1
12.2
Seat Leakaqe
12.2.1
Valve Data Sheets shall state the seat leakage class required for a specific application.
12.2.2
Unless otherwise specified in the Data Sheet, the Shutdown valves used on fuel isolation service ( gas turbine fuel supply, fired heater fuel gas supply, etc.) shall have Class Vl shut off requirements.
12.2.3 Shutdown valves used for emergency shutdown (liquid servicê) shall have a minimum of Class V shutoff requirement unless otherwise specified in the Data Sheet.
12.2.4 lsolation valves for custody transfer metering applications shall be double seated type with both the seats being bubble tight (class Vl) . The valves shall be provided with integral intermediate bleed for on-line integrity testing.
12.2.5
The design of the valve and actuator assembly shall ensure that any pressure release of process media (e.9., gland leakage) cannot contaminate the instrument air or hydraulic fluid supply system.
12.3
Actuator for Shutdown Valves
12.3.1
Actuators shall normally be spring return piston type operating through a scotch yoke or gearbox for quarter-turn valves and diaphragm type when globe valves have been specified for shutdown duty.
12.3.2
Where the standard spring return system is not suitable due to return force or closing speed restriction, a double-acting actuator shall be used.
12.3.3 The opening and closing time to meet the process requirement for
a
part¡cu¡ar application shall be indicated in the Data Sheet.
12.3.4 The actuator shall be capable of driving the valve from fully open to fully closed and vice versa, within the time specified, against the maximum differential pressure acting across tho valve. 12.3.5
As shutdown valves spend long periods without cycling, particular care shall be taken to ensure that the actuators deliver sufficient force to fully open/close the valves at the extremities of operation when called upon b do so. Due regard shall be paid to the possibility of sticking and gummy deposits on valves which are stationary for long periods.
12.3.6
The torque / linear force delivered by the ESD valve actuator at the.minimum air design pressure shall be at least doubþ the calculated force for the most arduous condition or combination of conditions and any other restrictions ons it shall be applicable in the par.ticular application. For non minimum 1.5 times the calculated force
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DOC. NO. KOC{-O1o
REV.l
Page 24 of 35
mechan¡cal components of the valve shall be so designed sufficient strength to utilize the force developed by the actuator.
12.3.7 All
12.4
to have
Air Reservoirs
12.4.1
The air required for the actuators shall be supplied from a dedicated reservoir with suffic¡ent reserve capacity to enable three complete valve operation cycles (unless otherwise specified in the Data Sheet) to ensure supply of air in the event of main instrument air supply failure.
12.4.2
The air reservoir shall be designed to ASME Sec.Vlll, Div 1.
12.4.9 Air to each shutdown valve actuator shall be controlled by a normally energised solenoid valve powered from the ESD control circuit. On loss of power to the solenoid, the air shall be exhausted thus causing the shutdown valve to move to its predetermined safe position,
12.4.4 The supply to the reservoir shall incorporate filters and check valves to ensure that the air supply for the ESD valve is retained durlng loss of general air pressure.
12,4.5
Pressure gages shall be provided on the reserve'tank and the pneumatic supply line.
12.4.6
Pressure switches shall be fitted to the reservoir and pneumatic supply line to detect and send alarm to DCS of a possible problem on the air supply.
12.4.7 The reservoir shall be provided with a drain cock and safety relief valve with the relief directed away from the maintenance area.
12.5
Limit Switches
12.5.1
Limit switches shall be providèd to shut down or operate associated equipment as per P&lD ,when the ESD valve either starts to move or has completed its movement, and to send the valve position indication signals and alarms to remote locations.
12.5.2 The limit switches shalt be of the type as detailed in clause 10.5 of this Standard, but shall be flame proof certified Ex "d" in all cases.
12.6
Solenoid Valves
12.6.1 Solenoid valve shall be de-energize-to-trip / fail-safe with spring and
coil
selected for quick action to achieve the operation time specified.
12.6.2 Atl other details of solenoid valve shall be same as specified in
clause
1O.7 of this Standard.
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Page 25 of 35
DOC. NO. KOC-|-010
Pushbutton Control
12.7.1 Open/Close control pushbutton with necessary indications shall
be
provided at a safe location from the ESD valve for manual isolation of the valve under emergency conditions.
12.7.2 The pushbutton shall be provided with a protective shroud to prevent accidental activation.
12.7.3
Provision shall be made to lock the pushbutton in the OFF position.
12.7.4 Where the pushbuttons are part of an automatic shutdown system, the action, which they initiate, should latch the system so that the ESD valve does not return to its original position when the pushbutton is released.
12.8
Valve Position lndicators
The ESD valves shall be provided with a highly visible, impact-resistant, beacon-type, valve-position indicator.
13.O 1
3.1
FIRE PROTECTION
Where specified in the Data Sheet, the control and shutdown valves shall be fire-safe and tested in accordance with API 6FA/AP! 607 as applícable.
13.2
All shutdown valves in ESD service shall be fire-safe rated and tested.
13.3
Consideration should be given to the use of fusible plugs or similar techniques to ensure rapid actuation of ESD valves in case of a fire, regardless of any other fire detection system available in the vicinity of the valve.
13.4
The valves used for fuel isolation shall be located outside area of high fire risk or passive fire protection shall be provided as specified in the Data Sheet.
13.5
Where specified in the Data Sheet, the control/shutdown valve, actuator and accessories shall be provided with fireproofing using suitable enclosure or coating so that the valve shall continue its operation for the specified duration when exposed to a petroleum fire.
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DOC. NO. KOC-|-O1o
14.O
IDENTIFICATIONNAMEPLATES
14.1
klentification of Control and Shutdown Valves
All process control valves and shutdown valves shall have stainless steel name plates permanently fastened by stainless steel screws. preferably mounted on the yoke assembly. The nameplate shall be marked in accordance with MSS-SP 25, which shall include the following: a)
valve serial nurnber;
b)
valve model number;
c)
equipment identification number (ElN)
d)
body /trim material;
e)
ANSI class rating
Í)
body / trim size;
sl
max. Cv rating;
h)
action "air to close" or "air to open";
¡)
valve opening/closing time;
j)
failure action;
k)
trim characteristic; * stem travel in
m) * 14.2
;
mm;
*
actuator operat¡ng range
.
*
Applicable only for"process control valves. ldentification of Valve Accessories
with a stainless steel nameplate permanently fastened by stainless steel screws, which shall include the Each valve accessories shall be identified
following:
a)
instrument tag number / equipment identification number (ElN);
b)
manufacturers name, model and serial number;
c)
hazardous area class¡fication and certification
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REV.1
lndication.of Direction of Flow
14.3
The direction of flow through the valve shall be clearly and indelibly marked on the body, preferably by a cast on arrow or stamped plate.
t5.o
PERFORMANCE INSPECTION AND TESTING REOUIREMENTS
15.1
General
1
5.1
.1 Al¡ items included in the supply shall be designed, manufactured, inspected and tested under the control of a documented Ouality
Assurance system, of which the general requirements are given in clause 18.0 of this Standard.
15.1.2 The control valves shall
be
to routine tests at
the manufacturer's works as per relevant project specification in conformity with IEC 60534-6. Any additional testing, if required, shall also be carried out as and where specified.
subjected
15.1.3 No equipment shall be delivered until all applicable tests have
been
successfully completed.
15.1.4 The documentary evidence of the test reports and certification shall be submitted to KOC for acceptancel approval.
15.2
lnspection and Testing Plan
15.2.1 The inspection and test plan shall include the following items in addition to those found necessary by the rnanufacturer to ensure the quality of the product: a)
check on all materials of construction by cross-comparing the goods, the material test certificates and the Data Sheets and drawings;
b)
check on the dimensions of the finished valves against the drawings approved by the KOC;
c)
check on the completed valve and all accessories against the Data Sheet and specification requirements;
d)
check on the vatve failure position against the Data Sheet;
e)
check on the valve plug travei against the approved Drawings;
f)
check that the valve packing is in accordance with the Data',$heet and specifications;
g)
check on the valve nameplate data and this specification and t[e Data Sheets and
with
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h)
Page 28 of 35
REV.1
check on the valve and accessories painting and protection
and
general su¡tab¡¡¡ty for the environment;
15.3 1
5.3.1
Valve Testinq The performance tests shall include the following: a)
valve hydrostatic pressure test;
b)
seat leakage test;
c)
hysteres¡s check and response check;
d)
prove that the actuator will open against the design fluid pressure the case of flow over plug and quarter-turR valves;
ín
.
e)
confirm valve speed of travel is in accordance with the Data Sheet, and check stroke linearity with increasing and decreasing input signal;
f)
confirm the operation of solenoid, limit switches and other accessories as applicable.
15.4
Actuator Testinq
15.4.1
The actuator shall be tested in conjunction with the valve
15.4.2 The contol valve actuator diaphragm case shall be tested for
leakages. The
test shall be conducted at 3 barg (45 psig), or at a higher level at which the actuator is specified to operate. The test shall be successful if no leakage is detected over a 3-minute period around the diaphragm case bolts, periphery of the diaphragm and at the breathing side of the diaphragm.
15.4.3
For conûol valves with push-up actuators having packing at the shaft seal, the leakage test shall be additionally applied around the shaft at several positions of stroke.
15.4.4 The actuator cases for shutdown valves shall be tested for leakage. The test shall be conducted at 10.2 barg (145 psig), or a higher level at which the actuator is specified to operate. The test shall be successful if no leakage is detected over a 3-minute period. 15.5
Certification
All the certification for each valve or group of valves shall be collated'in a dossier which shall be available at final inspection. The dossiqr shâll include the following:
a)
370;
certificates for all material and mechanical
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Page 29 of 35
il
REV.1
b)
details of heat treatment procedures followed to obtain the required mechan¡cal properties;
c)
NDT certificates;
d)
weld procedures and qualifications;
e)
pressure test certif¡cate;
f)
leakage test certificate;
g)
valve and actuator performance test certificate;
hl
f¡re test certificate;
i)
hazardous area certificates.
16.0
ELECTBOMAGNETIC COMPATIBIL|JY AND RADIO FREOUENCY INTERFERENCE IRFII
16.1
equipment/components supplied shall be designed and manufactured such that under normal operating conditions. the associated system shall be unaffected by electromagnetic disturbances likely to be encountered and shall not radiate RFI which shall affect the normal operation of other electronic devices.
All electronic
16.2
The electronic equipment/components shall be
17.O
EOUTPMENT lN HAZARDOUS AREA
17.1
General
17.1 .1
All materials and lnstallation methods shall rneet the requirernents of defined hazard classification in accordance with the requirements of KOC Standard lor'¡Hazardous Area Classification" (KOC-G-O02).
electromagnetically compatible with the power supply and all other items of the system and in accsrdance with the requirements of IEC 6100O.
17.1.2 When selecting the equipment to be installed in hazardous areas, it
is
essential that the following be taken into consideration: a)
The zone classification of plant area.
b)
The apparatus enclosure group.
c)
The apparatus temperature classification.
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DOC. NO. KOG{"Olo
17.2
Hazardous Area Certification
17.2.1
All equipment to be installed in a hazardous area shall conform to the relevant parts of KOC Recommended Practice for Selection, lnstallation and Maintenance of Electrical Equipment in Hazardous Areas (KOC-E004).
17.2.2 The equipment to be installed in a hazardous area shall be certified for use in those areas by a testing authority of an international recognition. The list of testing and certifying agencies acceptable to KOC are given in KOC-E-OO4 Part-2.
17.2.3 The copies of relevant certification documents shall be submitted for KOC review and approval. 18.O
OUALITY ASSURANCE
It shall be ensured that all the equipment manufacturers are operating a quality syqtem preferably based on ISO $OOO series of standards to satisfy the requirements of this Standard. The manufacturer shall
demonstrate compliance by providing a copy of the accredited certificate or the manufacturer's quality manual. Verification of the manufacturer's quality system is normally part of the pre-qualification procedure, and is therefore not detailed in the core text of this Standard .
19.O 1
9.1
PACKIN.G, MARKING AND DOCUMENTATION
The valve, actuators and accessories shall be packed in shipping crates or cartons that shall be dust-tight, moisture-resistant to prevent damage to contents. The packing shall be clearly marked with purchase order number and the instrument tag numbers.
19.2
All
19,3
Alt dimensions. units of measurement, physical constants etc. shall be in Sl units, unless otherwise specified.
19.4
The manufacturer's submittals shall include the following documents as minimum:
correspondence, drawings, catalogues, instruction manuals, Data Sheets or any other written information shall be in the English language. ln case of dual languages, one language shall be English.
a)
Completed Data Sheet.
b)
Valve /actuator assembly drawing (lf ordered together)
cl
lnstallation, operation and maintenance instructions.
d)
Type test/ Figutine test certificates. |}
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DOC. NO. KOC{-O1o
REV.l
e)
Hazardous area certification for various accessories.
f)
Fire test certificate (as applicable ).
to
19.5
For further details on packing, rnarking and docurnentat¡on refer Standard for Packing, Marking and Documentation" (KOC.G-004).
2O.O
SPARE PARTS ANp MAINTFNANCE REOU.IREMENTS
2O.1
General
20.1.1
This section covers the description of various categories of spare parts to be supplied. The actual scope and number of spares required shall be as per details covered in respective project specifications.
20.1.2 For details on spare parts and ma¡ntenance data, refer to the Standard for Spare Parts and Maintenance Data " (KOC-G-009).
2O.2
KOC
"KOC
ConstructionSpares-
The scope of supply shall include construct¡on spares sufficient for the equipment to be in fully installed and operable condition. lt shall be ensured that all necessary construction spares are included in the base supply quantities to account for underestimates and losses and breakage during construction.
2O.3
CommissioninqSpargg Commissioning spares shall include the following:
a)
those items which may normally require feplacement
b)
commonly used parts such as fuses, lamps, fittings etc. as applicable that may require replacement during fau¡t-f¡nding and
during
commissioning after equipment first-run checks (such as gaskets and seals)
rectification. c)
items that are susceptible to an occasional failure from construction damage or manufacturing error such âS, solenoid coils, air- filter-regulator sets etc.
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Page 32 of 35
Ooeratinq Spares
The operating spares required for two years operation shall include the following: a)
those items having an expected life of two years or less, or required to be replaced during normal ma¡ntenance of an item / system;
b)
c)
a percentage.of large quantity items where a failure of one or more items could result from use for two years or less;
items where a movement towards the failure mode is not recognizable under normal maintenance reviews, requiring instant replacement to maintain the plant in running condition, ê.9., pressure gauges.
20.5
lnsurance Spares lnsurance spares are those items with an extended expected life, but the delivery time of which could cause serious plant shutdown delays if a failure occurred, e.g. control /shutdown valve.
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DOC. NO. KOC-|-O10
Proiect
21.O
APPENDIX.I DATA SHEET FOR CoNTBOIIúALVE
No
0 reverse
max.
mtn.
É 59
P¡pe Material
60
o tf
s6c Total o Throttle T¡m€ to Dss¡red Pos¡tion
62
Process Fluid
J 12
't3
Í
lr¡
2 IU o
Upstream
Condition
r
63
E liquid û vapour E gas
DNo
r
10 11
Oth€r Actuator Types E hydraulic E sslf actuatsd
t(t
for
of Throttld T¡me to lntàrmediate Position
BYes ô o tt, Flow u¡ o o
Un¡t
18 19
ú, t¡¡
2
Its
T
tt
o À O Yes
74
76 Shutoff Press, Pl
DNo
-o
E u, =
ts max.
26 27
O hold
= 7S
Model
80
8f 29
Calc. min. Flow Coef
t¡¡
ì
valve
ô õ 2 5
MFR
31
u Bsmart
Pressu¡e Pv Critical Pressure Pc
25
oÂ
Rate
lnlêt
21
for
65
É,
È
Vo
O
V
o o Direction
Pressure
Class
Set MFR.
at,
t¡¡
& 3!¡ 'l
89
90
ìo
matl.
n
Trim D Balanced O Unbalanced
J
Type of Guiding Guide
95 96
t
/ Seat
97 98
Yes
Fire Safe Rating Feqd.
Ref Remarks:
K¡t
Haz. Area Certificates
I
matl.
Hard Facing Reqd. û
'
o o
tl
Trim Coating
1
o
Í Plug
4
l¡¡
u¡
o
t¡¡
tt
É,
t= ¡l u, o
o o
a o an
t
Fire-Safe Test
Reqd.
O
Cert¡ficâtes Reqd.
Fire Proofing Reqd. O
Yes
Yes I Ú
No
Yes
0 No
O No
{timo}
o
Compliance With
ú No
Yes
ENo
99
TION
YES
AILS ON
/ Class
Seat
Matl. 1.10
CONTROL V chkd
Data Sheet No.
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DOC. NO. KOC-|-O1o
Project
APPENDIX-2 DATA SHEET FOR SHUTDOWN yALVE
No,
o.
63 54
Haz, Area classification
3
4
(
J
ú,
Line Size
57
2 ll¡
(, 10 12
'
ûClosed
J
No.
lr¡
1
De-energized
l¡¡
5
7
E 5 o À
tr
60
o
Ét
o 2 l¡¡ o ]t
Haz. Area
.D
!,
u¡
14
o o É.
64
È
1
f o t30
= t-
17
67 19
P
f, =
69 1
Manufactur€r
ú,
o
Io 0 Full
= o
2
77 7A
I
ENo
É,
o
Trim
J f
3
2 / 36
Resistance
to HIC
É Class
0Yes
OYes
0
ONo 85
Menufacturer 86 3
o = .L o o
Valve I & other accessories
Actuator,
.Required
nNo
O Yes
É,
q. t¡¡
c
40
E
Air or of Air
42
I
Yes
Prêssurê 11,
93
ú,
47
o l:t o
49
94
E Yes
(t E F
Reserve Tank and
Time
5
lll
Ê, u¡
with
t,
Material / 98
trYes t
F g, u¡ t-
99 NO. SEPARATE SHEET)
YES
SPECIFICATION MET IN FULL Remarks:
SHUTDOWN Ref.No.
Datâ
No.
Date
E
TA
Rev.
Prep.By
Appvd
R
o
2
,/' *
Page 35 of 35
DOC. NO. KOC-|-010
REV.l
ACKNOWLEqGEMENT
This Standard has been approved by the Standards Technical Committee consisting of the following: Mr. Abdulla AL-Abdul Salam Mr. Mohd. Emam Mr. S. Kumar Dr. Mohammad llyas Mr. Khalid S. Al-Al¡ Mr. Henry S. Hill
( Standards Team) ( lnsp. Team) ( Standards Team l ( Standards Team ) ( Gen.Proj. Team ) ( Opns.Tech.Svcs. Team -S)
'
(STC)
Chairman Deputy Chairman Secretary/ Member Member Member Member
The draft of this Standard has been circulated to the KOC User Teams for their review and responses were received from the following: ENGINEERING GROUP
oPERATTONS GROUP(SI
Team Leader (Design) Team Leader (Construct¡on) Team Leader (Gen.Proj)
Team Leader (Opns.Tech.Svcs.-S)
MAJOR PROJECTS GROUP
Team Leader (Opris.Tech.Svcs.-E)
Team l-eader (Major Proj. lll] Team Leader (Major Proj. lV)
oPERATIONS GROUP(WI
OPERATIONS GROUPIEI
Team Leader (Opns.Tech.Svcs.-W) EXPORT& MARINE OPNg=çROUP SUPPORT SVCS. GROUP (S&E}
Team Leader (Export Svcs.) Team Leader (Proj - E) INDUSTRIAL SERVICES GROUP pRrLLrNg oPNS. GFOUP Team Leader (Util¡t¡es) Team Leader (Central Workshop)
Team Leader (Drilling Svcs.)
LOSS PREVENTION GROUP
DIVIDED ZONE-GROUP Team Leader (Proj. Engg. & Facilities)
Team Leader (Corrosion) Team Leader (HSE)
This KOC Standard for "Control and Shutdown Valves" (KOC-!-O1O, Rev. 1) has been prepared by the Task Force (TF-l/02) comprising of the following members: Dr. Mohammad llyas Mr. A.Unnikrishnan Mr. Louis Thiagaraj Mr. G.Santhosh Kumar Mr. S.Chandrasekhar
: Task Force Leader Tel No.61406 : Author / Member Tel Nq.61633 Tel No.22416 : Member (lnspectionTeam) : Member No 61 250 22122 (Opns.Tech.Svcs.Team-S) : Member
(Standards Team) (Standards Team l (Maint.Team East)
O
a
,/" *
