EN 10269:2013 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties*， 2023-12-23 Update
EN 1092-2:1997 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 2: Cast iron flanges
EN 12266-1 Industrial valves - Testing of metallic valves - Part 1: Pressure tests, test procedures and acceptance criteria - Mandatory requirements
EN 12266-2 Industrial valves - Testing of metallic valves - Part 2: Tests, test procedures and acceptance criteria - Supplementary requirements
EN 12351 Industrial valves - Protective caps for valves with flanged connections
EN 12516-1:2014 Industrial valves - Shell design strength - Part 1: Tabulation method for steel valve shells
EN 12516-2:2014 Industrial valves - Shell design strength - Part 2: Calculation method for steel valve shells
EN 12516-3 Valves - Shell design strength - Part 3: Experimental method*， 2023-12-23 Update
EN 12516-4:2014 Industrial valves - Shell design strength - Part 4: Calculation method for valve shells manufactured in metallic materials other than steel
EN 12627:1999 Industrial valves - Butt welding ends for steels valves
EN 12982:2009 Industrial valves - End-to-end and centre-to-end dimensions for butt welding end valves
EN 1515-4 Flanges and their joints - Bolting - Part 4: Selection of bolting for equipment subject to the Pressure Equipment Directive 2014/68/EU*， 2022-08-10 Update
EN 16722 Industrial valves - End-to-end and centre-to-end dimensions for valves with threaded ends
EN 1759-1:2004 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, class designated - Part 1: Steel flanges, NPS 1/2 to 24*， 2023-12-23 Update
EN 19:2016 Industrial valves - Marking of metallic valves
EN 736-1 Valves - Terminology - Part 1: Definition of types of valves*， 2018-02-01 Update
EN 736-2 Valves - Terminology - Part 2: Definition of components of valves
EN 736-3 Valves - Terminology - Part 3: Definition of terms
EN ISO 1043-1 Plastics - Symbols and abbreviated terms - Part 1: Basic polymers and their special characteristics (ISO 1043-1:2011/Amd 1:2016)
EN ISO 14732 Welding personnel - Qualification testing of welding operators and weld setters for mechanized and automatic welding of metallic materials [Superseded: CEN EN 1418]
EN ISO 148-1 Metallic materials - Charpy pendulum impact test - Part 1: Test method*， 2016-11-01 Update
EN ISO 15607 Specification and qualification of welding procedures for metallic materials - General rules (ISO 15607:2019)*， 2019-10-23 Update
EN ISO 228-1 Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation ISO 228-1: 2000
EN ISO 9606-1 Qualification testing of welders - Fusion welding - Part 1: Steels*， 2017-08-01 Update
EN ISO 9692-1 Welding and allied processes - Types of joint preparation - Part 1: Manual metal arc welding, gas-shielded metal arc welding, gas welding, TIG welding and beam welding of steels
ISO 1043-1 Plastics - Symbols and abbreviated terms - Part 1: Basic polymers and their special characteristics - Amendment 1: New symbol ST for syndiotactic
ISO 14732 Welding personnel.Qualification testing of welding operators and weld setters for mechanized and automatic welding of metallic materials
ISO 148-1 Metallic materials - Charpy pendulum impact test - Part 1: Test method*， 2016-10-01 Update
ISO 15607 Specification and qualification of welding procedures for metallic materials — General rules*， 2019-10-07 Update
ISO 228-1 Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation
ISO 4200 Plain end steel tubes, welded and seamless; general tables of dimensions and masses per unit length
ISO 7-1:1994 Pipe threads where pressure-tight joints are made on the threads - Part 1: Dimensions, tolerances and designation
ISO 7005-2 Metallic flanges; part 2: cast iron flanges
ISO 9606-1 Qualification testing of welders - Fusion welding - Part 1: Steels; Technical Corrigendum 2
ISO 9692-1 Welding and allied processes.Types of joint preparation.Part 1: Manual metal arc welding, gas-shielded metal arc welding, gas welding,TIG welding and beam welding of steels