This European Standard specifies requirements for the design and testing of spring-loaded safety valves and thermal expansion valves intended for use in:
——fixed LPG pressure tanks;
——LPG pressure tanks of vehicles -tanks, tank wagons, tank containers or demountable tanks. This document does not deal with manufacturing tests.
EN 10204 Metallic products - Types of inspection documents*， 2024-04-20 Update
EN 10270-3 Steel wire for mechanical springs - Part 3: Stainless spring steel wire*， 2024-04-20 Update
EN 1092-1:2007 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges (Incorporates Amendment A1: 2013; Incorporating Corrigendum May 2014)
EN 12165 Copper and copper alloys - Wrought and unwrought forging stock*， 2016-07-01 Update
EN 12420 Copper and copper alloys - Forgings*， 2014-06-01 Update
EN 13906-1 Cylindrical helical springs made from round wire and bar - Calculation and design - Part 1 : Compression springs
EN 14071 LPG equipment and accessories - Pressure relief valves for LPG pressure vessels - Ancillary equipment*， 2017-11-01 Update
EN 1503-1 Valves - Materials for Bodies, Bonnets and Covers - Part 1: Steels Specified in European Standards*， 2024-04-20 Update
EN 1503-2 Valves - Materials for Bodies, Bonnets and Covers - Part 2: Steels Other Than Those Specified in European Standards*， 2024-04-20 Update
EN 1503-3 Valves - Materials for Bodies, Bonnets and Covers - Part 3: Cast Irons Specified in European Standards Corrigendum; Ratified European Text
EN 1503-4 Valves - Materials for bodies, bonnets and covers - Part 4: Copper alloys specified in European Standards*， 2016-02-01 Update
EN 1563 Founding - Spheroidal graphite cast irons*， 2018-08-01 Update
EN 549 Rubber materials for seals and diaphragms for gas appliances and gas equipment*， 2023-05-03 Update
EN 751-1 Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water - Part 1: Anaerobic jointing compounds
EN 751-2 Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water - Part 2: Non-hardening jointing compounds
EN 751-3 Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water - Part 3: Unsintered PTFE tapes and PTFE strings*， 2023-12-13 Update
EN 837-1 Pressure gauges - Part 1: Bourdon tube pressure gauges - Dimensions, metrology, requirements and testing
ISO 6957 Copper alloys; ammonia test for stress corrosion resistance
ISO 7-1 Pipe threads where pressure-tight joints are made on the threads — Part 1: Dimensions, tolerances and designation TECHNICAL CORRIGENDUM 1