Safety Relief Valve Datasheet

1 Tag Number: RV-00047/48 & 64-RV-00047/48 2 Quantity General Data

P&ID No.-1-3MR0015-0004-001 & -3MR0015-0004-001

4

3 Service

anti-foam

4 Inlet line

Piping class

RELIEF FROM. 1/2 inch,

5 Outlet line

Piping class

1/2 inch,

PED =N.A.

6

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7

Protected Equipment

Defoarmer pumps discharge line

8 Design Pressure

MIN

MAX

 /275

PSIG

9 Design temperature

MIN

MAX

 /300

deg F

10  Accumulation AC % (1) 11 Discharge to:

Safety Valve Location

Defoamer Storage Tank Pump discharge line

12 13 Code Basis of Selection

Calculation reference

14 Basis for selection 15 16 Fluid

Phase

State anti-foam

Liquid

Hydrocarbon

17 Sour Service 5330

18 Required capacity

3

Dens. at Reliev. Temp

57.4-106.6 @ 77 deg F

lb/ft CP

21 Pressure op. MOP

Set pressure

208 PSIG

230 PSIG

emperature op op. MO MO T 22 T em B a c k p r . C o n s t a n t 23

Reli ev evingT em emperature

86 Deg F

86 Deg F

0 PSIG

0 PSIG

24 Build-up Back Press.

Total Back Pr Press. 270

PSIG

Variable

25 Max. rel. press.MRP Operating Conditions

lb/Hr 

51.17 @ 77 deg F

19 Molecular W eight 20 Viscosity at Reliev. Temp

26 Overpress. % Set Pressure

(1)

10%

Internal / Mfr  27 Spring Set Pressure hot-cold (2) Internal 28 Cp/Cv

/

PSI

Compr. factor Z

29 Blowdown in % set press. 30 Calculated orifice area

/

Internal / Mfr 

/

mm

/

lb/Hr

31 Calculation Results From: 32 Selected orifice area

2

Internal / Mfr 

mm

○ Internal

● Manufacturer

○ Both 2

33 Isentropic Exponent (K) 34 RD Combination Capacity Factor  35 Capacity of Selected Valve

Internal / Mfr 

 

36 37 Type

Conv./Balanced

No

/ No

38 Nozzle type

Valve Type

39 Bonnet 40 Pilot

Body

41 Material 42 Inlet

Size

Material detail class

face

1/2"

Male (NPT)

43 Outlet

Size

class

face

1/2"

Female (NPT)

SA 351 Gr. CF3M

44 Orifice designation 45 Seat Trim Material

Disc

46 Spring

Inconel X750

47 Bellows

Bonnet

SA 351 Gr. CF3M

48 Cap without lever   Accessories

Purchase

49 Lifting lever  50 Test Gag 51 Rupture Disc

Flame arrestor  

52 Manufacturer 53 Serial No.

Model

Data Sheet

54  Approx. Weight 55 Client Reference

Requisition No.

Item

56 Material Code

Notes:

INSTRUMENT SPECIFICATION Safety Valve

Issued for Purchase Issued for Approval Issued for Inquiry No.

By

Chk  Appr

Date

CONTRACTOR LOGO Sheet 1

Revision Code:

Dwg. No.:

Rev.: