SP-67-1983

Butterfly Valves


 

 

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标准号
SP-67-1983
发布日期
1983年01月01日
实施日期
2017年06月16日
废止日期
中国标准分类号
/
国际标准分类号
/
发布单位
MSS - Manufacturers Standardization Society of the Valve and Fittings Industry.
引用标准
16
适用范围
This Standard Practice covers dimension@ design@ testing and marking requirements for butterfly valves Further reference should be made to the MSS Standard Practice for high pressure@ offset@ butterflyvalves@ when published This standard practice covers two types of butterfly valves: Type I -Valves for tight shut of (tested per subsection 11.2.1). Type II - Valves permitting seat leakage (see subsection 11.2.2). This Standard Practice covers flangeless (wafer type)@ single flanged (lug type)@ flanged end and grooved end valves in sizes 11/2 thru 72 with pressure rating up to and including ANSI Class 150




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