SP-149-2018
用于自来水厂阀门的预成型弹性体和聚四氟乙烯（PTFE）V 形环填料套件

Preformed Elastomeric and Polytetrafluoroethylene (PTFE) V-Ring Packing Sets for Waterworks Valves

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标准号

SP-149-2018

发布

2018年

发布单位

MSS - Manufacturers Standardization Society of the Valve and Fittings Industry.

 

 

适用范围

This Standard Practice establishes material@ surface finish@ dimensional@ and testing requirements for preformed V-ring packing sets@ packing chambers@ and valve stems. This Standard Practice applies to homogeneous elastomeric and polytetrafluoroethylene (PTFE) V-ring packing for gray iron and ductile iron quarter-turn and multi-turn valves for waterworks applications with a maximum service temperature of 150 ??(66 ??.

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