UNE-EN ISO 17292:2016

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Pressure/temperature ratings
  4.1 Valve rating
  4.2 Shell rating
  4.3 Seat and seal rating
5 Design
  5.1 Flow passageway
  5.2 Body
6 Materials
  6.1 Shell
  6.2 Shell material repair
  6.3 Trim
  6.4 Identification plate
  6.5 Bolting
  6.6 Seals
  6.7 Threaded plugs
  6.8 Low temperature service
7 Marking
  7.1 Legibility
  7.2 Body marking
  7.3 Ring joint marking
  7.4 Identification plate
  7.5 Special marking for unidirectional valves
8 Testing and inspection
  8.1 Pressure tests
  8.2 Inspection
  8.3 Examination
  8.4 Supplementary examination
9 Preparation for despatch
Annex A (informative) Information to be specified by
        the purchaser
Annex B (informative) Identification of valve parts
Bibliography

This International Standard specifies the requirements for a series of metal ball valves suitable for petroleum, petrochemical, natural gas plants, and related industrial applications.It covers valves of the nominal sizes DN¾ð8; 10; 15; 20; 25; 32; 40; 50; 65; 80; 100; 150; 200; 250; 300; 350; 400; 450; 500; 600 corresponding to nominal pipe sizes NPS¾ð¼; \!; ½; ¾; 1; 1¼; 1½; 2; 2½; 3; 4; 6; 8; 10; 12; 14; 16; 18; 20; 24and applies for pressure designations¾ðClass 150; 300; 600; 800 (Class 800 applies only for valves with threaded and socket welding end);¾ðPN 16; 25; 40.It includes provisions for testing and inspection and for valve characteristics as follows:¾ðflanged and butt-welded ends, in sizes 15 d" DN d" 600 (½ d" NPS d" 24);¾ðsocket welding and threaded ends, in sizes 8 d" DN d" 50 (¼ d" NPS d" 2);¾ðbody seat openings designated as full bore, reduced bore and double reduced bore;¾ðmaterials.