共找到 2671 条与 阀门 相关的标准,共 179 页
Industrial valves - Butt welding ends for steel valves
Safety devices for protection against excessive pressure -- Safety valves
Butterfly valve static pressure life test procedures
Ball valve static pressure life test procedures
Plug valve static pressure life test procedures
Gate valve static pressure life test procedures
Faucets, ball taps and flush valves
UL Standard for Safety Compressed Gas Regulators (Tenth Edition; Reprint with Revisions Through and Including August 10@ 2018)
This document specifies methods for determining whether or not a gas or gas mixture is flammable in air and whether a gas or gas mixture is more or less oxidizing than air under atmospheric conditions. This document is intended to be used for the classification of gases and gas mixtures including the selection of gas cylinder valve outlets. This document does not cover the safe preparation of these mixtures under pressure and at temperatures other than ambient.
Gas cylinders - Gases and gas mixtures - Determination of fire potential and oxidizing ability for the selection of cylinder valve outlets
Industrial valves. Lined metal quarter turn and check valves for chemical process and related industries
Industrial valves. Part-turn actuator attachments
Industrial valves. Multi-turn valve actuator attachments
本标准规定了蒸汽锅炉、压力容器和压力管道用弹簧直接载荷式安全阀在线校验的检测内容和技术要求。 本标准适用于整定压力为0.1MPa~42.0MPa,流道直径大于或等于25mm的弹簧式安全阀在线校验。 整定压力为0.02MPa~0.1MPa的弹簧式安全阀在线校验,可参照本标准使用。 黏稠性介质,含固体颗粒物或可能有结晶体生成的介质,工作温度低于-20℃以及可能发生密封面粘连的安全阀,其在线校验均不适用于本标准。
Technical specifications for online calibration of spring-loaded safety valves
This document specifies requirements for design, dimensions, material, fabrication and production testing of lined metal quarter turns valves (plug valves, butterfly valves, ball valves) and check valves with flanged, wafer and wafer lug body types. It covers valves of the nominal sizes, DN: — 15, 20, 25, 32, 40, 50, 65, 80, 100, 125, 150, 200, 250, 300, 350, 400, 450, 500, 600, 700, 750, 800, 900, 1000, 1200; corresponding to nominal pipe sizes, NPS 1/2 to NPS 48, and applies to pressure designations: — PN 10, 16, 25, 40; — Class 150, 300.
Industrial valves - Lined metal quarter turn and check valves for chemical process and related industries
Automatic steam traps - Marking (ISO 6553:2016); German version EN ISO 6553:2017
Industrial valves - Isolating valves for low-temperature applications - Part 1: Design, manufacturing and production testing (ISO 28921-1:2013); German version EN ISO 28921-1:2017
Industrial valves - Isolating valves for low-temperature applications - Part 2: Type testing (ISO 28921-2:2015); German version EN ISO 28921-2:2017
Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - PN and Class designated valves; German version EN 558:2017
La présente Norme européenne prescrit les dimensions "face-à-face" (FAF) et "face-à-axe" (FAA) des appareils de robinetterie métalliques désignés PN et désignés Class utilisés dans les réseaux de tuyauteries à brides.
Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - PN and Class designated valves
Industrial Valves - Part-Turn Actuator Attachments
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