ISO 28921-1

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ISO 28921-1:2022

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ISO 28921-1:2022 Industrial valves — Isolating valves for low-temperature applications — Part 1: Design, manufacturing and production testing

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USD 167.00

This document specifies requirements for design, dimensions, material, fabrication and production testing of gate, globe, ball/plug and butterfly valve design types used as isolation valves and check valves for low-temperature applications.

This document is applicable to isolation valves for use in low and cryogenic temperature service where the design low-temperature service is -50 °C down to –196 °C.

This document does not apply to valves for cryogenic services, designed in accordance with ISO 21011, used with cryogenic vessels.

Where the requirements of this document vary from those given in the valve product standards, the requirements of this document apply.

This document is applicable to valves with body, bonnet, bonnet extension or cover made of metallic materials.

This document is applicable to:

—    valves of nominal sizes DN: 10; 15; 20; 25; 32; 40; 50; 65; 80; 100; 125; 150; 200; 250; 300; 350; 400; 450; 500; 600; 650; 700; 750; 800; 850; 900; 950; 1 000; 1 050; 1 200; 1 350; 1 400; 1 500; 1 600; 1 650; 1 800,

—    corresponding to nominal pipe sizes NPS: ⅜; ½; ¾; 1; 1 ¼; 1 ½; 2; 2 ½; 3; 4; 5; 6; 8; 10; 12; 14; 16; 18; 20; 24; 26; 28; 30; 32; 34; 36; 38; 40; 42; 48; 54; 56; 60; 64; 66; 72,

and applies to pressure designations:

—    PN 16; 25; 40; 100; 160; 250; 400,

—    Class 150; 300; 600; 800; 900; 1 500; 2 500.

NOTE       Not all type and size combination are available in all pressure ratings.

This document does not apply to safety valves and control valves.

Standard Number ISO 28921-1:2022
Title ISO 28921-1:2022 Industrial valves — Isolating valves for low-temperature applications — Part 1: Design, manufacturing and production testing
Status Published
Publication Date 12 May 2022
Committee ISO/TC 153 Valves
Publisher PECB Store
Format PDF
Pages 27
Price USD 167.00
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