Descripción: A detailed presentation of API 682 standard
A detailed presentation of API 682 standard
degree of dissociation and thermodynamic equilibrium constant of acetic acidFull description
Spec
520-SynonymeFull description
API deals with point system for each categorty
THE INDEPENDENT Issue 520
volvo fh d13Descrição completa
SA 420
volvo fh d13
Descripción completa
Schematic Nokia Lumia 520Full description
Full description
API 520 Pa rt 1-S 1-Sizin g & Se le c t io n Part 2-Installation
•
Eq uip m e nt M MA A WP > 15 15 ps p sig (103 k Pa g )
• •
Unfired p ress ressure ve sse l Sizing izing p roc e d ures ures a nd m ethod etho d s
• •
Ove Ov e rp re ssure ure / Struc truc tura tura l failure failure tm o sp sp e r c a n o w p re re ss ssu re sto ra ra g e tanks Fired ve sse l – Se c tion tio n 1,ASM 1,ASM E Bo iler ile r a nd pres press su re ess esse c o e .
•
•
Eq uip m e nt M MA A WP > 15 15 ps p sig (103 k Pa g )
• •
Unfired p ress ressure ve sse l Sizing izing p roc e d ures ures a nd m ethod etho d s
• •
Ove Ov e rp re ssure ure / Struc truc tura tura l failure failure tm o sp sp e r c a n o w p re re ss ssu re sto ra ra g e tanks Fired ve sse l – Se c tion tio n 1,ASM 1,ASM E Bo iler ile r a nd pres press su re ess esse c o e .
•
re s ss su re •
e e
ev c e
Re c los lo sing Ty p e . b . Sa fe fe ty ty V a lv lv e c . Saf afet ety yR Rel eliief V alve al ve d . Conventiona Conventiona l Pr Press essure ure Reli Relief ef Valve e. Ba la nc ed Press essure ure Reli Relief ef Va Va lve f. Pilot Operated Operated Press essure ure Relief elief Valve
•
Re c los lo sing Ty p e a . Rup ture tu re Disc Disc . -
Dim ensio na l Cha ra c te ristic s o f Pressure Relief Devic e • •
Ac tua l disc harg e a rea Effec tive d isc harg e a rea
• • • • • •
Hudd ling c ham be r Inle t size Outle t size Curtain a rea Lift Minim um net flow a rea
O era tional Cha ra c teristic s • c oe ffic ient of d isc harg e: a . Effec tive c oeffic ient of disc har e b . Ra ted c oe ffic ient of disc harg e
System Pressures and Tem p era tures • • • •
Ma ximum a llowa b le wo rking p ressure (MAWP)/ d esign p ressure Overpressure ra ted relieving c a p a c ity
• • • • • • • • • • • • • • • • • •
Set Pressure The c old d ifferentia l test p ressure (CDTP) The m a rked b urst p ressure o r ra ted b urst p ressure The sp ec ified b urst pressure Burst-p ressure tolera nc e Lot of rup ture d isks The m a nufa c turing rang e Ba c k p ressure - Sup erim p osed b a c k p ressure Blowdown Op ening p ressure Closing Pressure Simmer op erating ra tio - relieving c ond itions ified d isk te eratur f ture d is
Sp ring -Loa d ed Pressure Relief Va lves •
Co nve ntiona l Pressure Relief Va lve s sa fety va lves/ relief valve/ sa fety relief valve s
Conventiona l Pressure Relief Va lve w ith a
Conventiona l Pressure Relief Va lve w ith rea e onnec ons
Rela tionship Betw een Lift of Disk in
Sp ring -Loa d ed Pressure Relief Va lve s qu erv c e
Ba la nc ed Pressure Relief Va lves
Pilo t-Op era ted Pressure Relief a ves • Parts a . Ma in Valve b . A Floa ting Unb alanc ed Piston Assembly c . An External Pilot (pop / m od ulating) • Typ es . b . The Non flowing Typ e
Po -Ac tio n Pilo t-O era ted Va lve Flo win -T
e
Pop -Ac tion Pilot-Op era te d Va lve (Non flow ing -Typ e)
Mod ula ting Pilot-Op era te d Va lve (Flow ing -Typ e)
Pilot-Op era te d Relief Va lve w ith a Nonflow ing o u a ng o a ve
RUPTURE DISK DEVICES (Rup ture Disc )
• •
Single, Multiple, and Fire Ap p lic a tions Rup ture Disk Devic e a t the Inlet o f a Pressure Relief Va lve • Rup ture Disk Devic e a t the Outlet of a Pressure Relie f Va lve • Highly Co rrosive/ Highly Visc ous
•
Typ es a . Forward- a c ting , tension loa d ed . . - , c . Gra p hite, shea r loa d ed .
.
Forw a rd -Ac ting Sc ored Rup ture Disk
Fo rw a rd -Ac tin
C o m o site Ru ture Disk
Reve rse-Ac ting Rup ture Disk with Knife Bla d es
Reverse-Ac tin
Sc ored Ru ture Disk
G ra hite Ru ture Disk
Buc klin
Pin Va lve
Ma nufa c turing Ra ng es a nd Corresp ond ing Burst ressure a r ng
• •
DETERMINATION OF RELIE REQUIREMENTS(API 521) API EFFECTIVE AREA AND EFFECTIVE
•
Inlet Piping to Pressure- Relief Devic es a . Flow a nd Stress Co nsidera tion b . Vib ra tion Conside ra tions c . Pressure Loss a t the Pressure-Relief Va lve Inlet .
