Ships and marine technology — Safety valve for cargo tanks of LNG carriers — Design and testing requirements

Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English

Published date

20-03-2017

Publisher

International Organization for Standardization

ISO 18154:2017 specifies the requirements of design, test and inspection methods for diaphragm-type pilot operated safety valves, which are used in cargo tanks of LNG carriers in order to keep the pressure inside the tank below maximum allowable working pressure.

DevelopmentNote	Supersedes ISO/DIS 18154. (03/2017)
DocumentType	Standard
Pages	11
ProductNote	THIS STANDARD ALSO REFERS TO API RP 520
PublisherName	International Organization for Standardization
Status	Current

Standards	Relationship
IS 17783 : 2022	Identical
NEN ISO 18154 : 2017	Identical
BS ISO 18154:2017	Identical

ISO 4126-1:2013	Safety devices for protection against excessive pressure — Part 1: Safety valves
API 2000 : 2014	VENTING ATMOSPHERIC AND LOW-PRESSURE STORAGE TANKS
ISO 4126-7:2013	Safety devices for protection against excessive pressure — Part 7: Common data
ISO 4126-4:2013	Safety devices for protection against excessive pressure — Part 4: Pilot operated safety valves
ISO 21028-1:2016	Cryogenic vessels Toughness requirements for materials at cryogenic temperature Part 1: Temperatures below -80 degrees C
ISO 21028-2:2004	Cryogenic vessels Toughness requirements for materials at cryogenic temperature Part 2: Temperatures between -80 degrees C and -20 degrees C
IMO IA104 : 2016	IGC CODE
API 526 : 2017	FLANGED STEEL PRESSURE-RELIEF VALVES
ASME B16.5 : 2017	PIPE FLANGES AND FLANGED FITTINGS: NPS 1/2 THROUGH NPS 24 METRIC/INCH STANDARD
ASME B16.34 : 2017	VALVES - FLANGED, THREADED, AND WELDING END
MSS SP 55 : 2011	QUALITY STANDARD FOR STEEL CASTINGS FOR VALVES, FLANGES, FITTINGS, AND OTHER PIPING COMPONENTS - VISUAL METHOD FOR EVALUATION OF SURFACE IRREGULARITIES
API 527 : 2014	SEAT TIGHTNESS OF PRESSURE RELIEF VALVES