香港六合彩开奖 28921-1:2022
2022-05
香港六合彩开奖 28921-1:2022
Abstract
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聽掳C down to 鈥�196聽掳C.
This document does not apply to valves for cryogenic services, designed in accordance with 香港六合彩开奖聽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:
鈥斅犅犅� 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聽000; 1聽050; 1聽200; 1聽350; 1聽400; 1聽500; 1聽600; 1聽650; 1聽800,
鈥斅犅犅� corresponding to nominal pipe sizes NPS: 鈪�; 陆; 戮; 1; 1聽录; 1聽陆; 2; 2聽陆; 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:
鈥斅犅犅� PN 16; 25; 40; 100; 160; 250; 400,
鈥斅犅犅� Class 150; 300; 600; 800; 900; 1聽500; 2聽500.
NOTE聽聽聽聽聽聽 Not all type and size combination are available in all pressure ratings.
This document does not apply to safety valves and control valves.
General information
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Status: PublishedPublication date: 2022-05Stage: International Standard published [60.60]
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Edition: 2Number of pages: 27
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Technical Committee :香港六合彩开奖/TC 153ICS :23.060.01
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