EN 1092-1:2001 Flanges and Their Joints - Circular Flanges for Pipes, Valves, Fittings and Accessories, PN Designated - Part 1: Steel Flanges
EN 12107:1997 Plastics Piping Systems - Injection-Moulded Thermoplastics Fittings, Valves and Ancillary Equipment - Determination of the Long-Term Hydrostatic Strength of Thermoplastics Materials for Injection Moulding of Piping Components
EN 12266-1:2003 Industrial valves Testing of valves Part 1: Pressure tests, test procedures and acceptance criteria Mandatory requirements
EN 12570:2000 Industrial valves - Method for sizing the operating element
EN 1267:1999 Valves - Test of Flow Resistance Using Water as Test Fluid
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*， 2023-12-24 Update
EN 558-1:1995 Industrial Valves - Face-to-Face and Centre- to-Face Dimensions of Metal Valves for Use in Flanged Pipe Systems Part 1. PN-Designated Valves
EN 558-2:1995 Industrial Valves - Face-to-Face and Centre- to-Face Dimensions of Metal Valves for Use in Flanged Pipe Systems - Part 2. Class-Designated Valves
EN 736-1:1995 Valves - Terminology - Part 1: Definition of types of valves
EN 736-2:1997 Valves - Terminology - Part 2: Definition of Components of Valves
EN 736-3:1999 Valves - Terminology - Part 3: Definition of Terms
ISO 228-1:2000 Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation
ISO 7-1:1994 Pipe threads where pressure-tight joints are made on the threads - Part 1: Dimensions, tolerances and designation
ISO 8 Information and documentation — Presentation and identification of periodicals*， 2019-04-01 Update
EN ISO 21787:2006 history
2019EN ISO 21787:2006/A1:2019 Industrial valves - Globe valves of thermoplastics materials - Amendment 1 (ISO 21787:2006/Amd 1:2019)
2006EN ISO 21787:2006 Industrial valves - Globe valves of thermoplastics materials