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MSS SP-149-2015
- Preformed Elastomeric and Polytetrafluoroethylene (PTFE) V-Ring Packing Sets for Waterworks Valves
- standard by Manufacturers Standardization Society, 2015
- Publisher: MSS
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This Standard Practice establishes material, surface finish, dimensional, and testing requirements forpreformed 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 waterworksapplications with a maximum service temperature of 150 °F (66 °C).
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 waterworksapplications with a maximum service temperature of 150 °F (66 °C).
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