API 527 : 2014

Superseded

View Superseded by

SEAT TIGHTNESS OF PRESSURE RELIEF VALVES

Available format(s)

Hardcopy , PDF

Superseded date

08-10-2020

Language(s)

English

Published date

01-01-2014

Publisher

American Petroleum Institute

1 Scope
2 Testing with Air
3 Testing with Steam
4 Testing with Water
5 Testing with Air - Another Method

Defines methods of determining the seat tightness of metal- and soft-seated pressure relief valves, including those of conventional, bellows, and pilot-operated designs.

DocumentType	Standard
Pages	14
PublisherName	American Petroleum Institute
Status	Superseded
SupersededBy	API STD 527 : 2020
Supersedes	API 527 : 1991

CEI 31-35 V1 : 2014	EXPLOSIVE ATMOSPHERES - GUIDE FOR CLASSIFICATION OF HAZARDOUS AREAS FOR THE PRESENCE OF GAS IN APPLICATION OF CEI EN 60079-10-1 (CEI 31-87)
API GIRE CH16 : 3ED 85	PRESSURE RELIEVING DEVICES
NORSOK I 001 : 2010	FIELD INSTRUMENTATION
EN ISO 4126-1:2013/A1:2016	SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 1: SAFETY VALVES (ISO 4126-1:2013/AMD 1:2016)
UNE-EN ISO 4126-1:2014	Safety devices for protection against excessive pressure - Part 1: Safety valves (ISO 4126-1:2013)
UNI/TR 11507 : 2013	MAINTENANCE OF DEVICES FOR DIRECT PRESSURE LIMITATION (SAFETY VALVES)
NASA SSTD 8070 0097 : 2014	RELIEF DEVICES - INSPECTION AND RECERTIFICATION
BS EN ISO 4126-5 : 2013	SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 5: CONTROLLED SAFETY PRESSURE RELIEF SYSTEMS (CSPRS) (ISO 4126-5:2013)
I.S. EN ISO 4126-5:2013	SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 5: CONTROLLED SAFETY PRESSURE RELIEF SYSTEMS (CSPRS) (ISO 4126-5:2013)
I.S. EN ISO 4126-4:2013	SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 4: PILOT-OPERATED SAFETY VALVES (ISO 4126-4:2013)
EEMUA 208 : 2010	GUIDE TO LIFE-CYCLE MANAGEMENT OF PRESSURE RELIEF SYSTEMS
BS ISO 18154:2017	Ships and marine technology. Safety valve for cargo tanks of LNG carriers. Design and testing requirements
16/30313951 DC : 0	BS ISO 18154 - SHIPS AND MARINE TECHNOLOGY - PILOT OPERATED SAFETY VALVES FOR LOW TEMPERATURE APPLICATIONS - DESIGN REQUIREMENTS
15/30299570 DC : 0	BS ISO 7195 - NUCLEAR ENERGY - PACKAGINGS FOR THE TRANSPORT OF URANIUM HEXAFLUORIDE (UF[6])
API 520-1 : 2014	SIZING, SELECTION, AND INSTALLATION OF PRESSURE-RELIEVING DEVICES - PART 1: SIZING AND SELECTION
API 526 : 2017	FLANGED STEEL PRESSURE-RELIEF VALVES
EI 1560 : 2013	RECOMMENDED PRACTICE FOR THE OPERATION, INSPECTION, MAINTENANCE AND COMMISSIONING OF AVIATION FUEL HYDRANT SYSTEMS AND HYDRANT SYSTEM EXTENSIONS
I.S. EN ISO 4126-1:2013	SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 1: SAFETY VALVES (ISO 4126-1:2013)
ISO 18154:2017	Ships and marine technology — Safety valve for cargo tanks of LNG carriers — Design and testing requirements
ISO 4126-4:2013	Safety devices for protection against excessive pressure — Part 4: Pilot operated safety valves
UNI EN ISO 4126-4 : 2013	SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 4: PILOT-OPERATED SAFETY VALVES
API 526 RUSSIAN : 2009	FLANGED STEEL PRESSURE RELIEF VALVES
API 576 : 2017	INSPECTION OF PRESSURE-RELIEVING DEVICES
API 9100B : 1998	GUIDANCE DOCUMENT FOR MODEL EHS MANAGEMENT SYSTEM
DIN EN ISO 4126-4:2013-12	SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 4: PILOT OPERATED SAFETY VALVES (ISO 4126-4:2013)
BS EN ISO 4126-4:2013	Safety devices for protection against excessive pressure Pilot-operated safety valves
UNE-EN ISO 4126-5:2014	Safety devices for protection against excessive pressure - Part 5: Controlled safety pressure relief systems (CSPRS) (ISO 4126-5:2013)
EN ISO 4126-4:2013	Safety devices for protection against excessive pressure - Part 4: Pilot-operated safety valves (ISO 4126-4:2013)
EN ISO 4126-5:2013/A1:2016	SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 5: CONTROLLED SAFETY PRESSURE RELIEF SYSTEMS (CSPRS) (ISO 4126-5:2013/AMD 1:2016)
API 576 REDLINE : 2009	INSPECTION OF PRESSURE-RELIEVING DEVICES
API 526 REDLINE : 2009	FLANGED STEEL PRESSURE-RELIEF VALVES
API 576 CHINESE : 2009	INSPECTION OF PRESSURE-RELIEVING DEVICES
BS EN ISO 4126-1 : 2013	SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 1: SAFETY VALVES (ISO 4126-1:2013)
CEI 31-35 : 2012	EXPLOSIVE ATMOSPHERES - GUIDE FOR CLASSIFICATION OF HAZARDOUS AREAS FOR THE PRESENCE OF GAS IN APPLICATION OF CEI EN 60079-10-1 (CEI 31-87)
ISO 4126-1:2013	Safety devices for protection against excessive pressure — Part 1: Safety valves
UNE-EN ISO 4126-4:2014	Safety devices for protection against excessive pressure - Part 4: Pilot-operated safety valves (ISO 4126-4:2013)
ISO 4126-5:2013	Safety devices for protection against excessive pressure — Part 5: Controlled safety pressure relief systems (CSPRS)