标准编号：ISO 10631:2013
中文名称：通用金属蝶阀
英文名称：Metallic butterfly valves for general purposes
发布日期：2013-09
标准范围
This International Standard specifies requirements for design, materials (e.g. steel, cast iron, ductile iron, copper alloy), pressure/temperature ratings and testing for butterfly valves having metallic bodies for use in general purpose flanged or butt welding piping systems.This International Standard covers butterfly valves of the following nominal sizes, DN and NPS:— DN 40; 50; 65; 80; 100; 125; 150; 200; 250; 300; 350; 400; 450; 500 (550); 600 (650); 700; 750; 800;900; 1 000; 1 200; 1 400; 1 600; 1 800; 2 000; 2 200; 2 400.— NPS 1 1/2; 2; 2 1/2; 3; 4; 5; 6; 8; 10; 12; 14; 16; 18; 20; (22); 24; (26); 28; 30; 32; 36; 40; 48; 56; 64; 72; 80; 88; 96.This International Standard is applicable to butterfly valves of the following pressure designations, PN and Class:— PN 2,5; PN 6; PN 10; PN 16; PN 25; PN 40;— Class 125; 150; 300.
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