MSS SP 149 Preformed Elastomeric and Polytetrafluorethylene (PTFE) V - Ring Packing Sets for Waterworks Valves
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| ISBN/PUB: |
SP 149 23 |
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| Pub Date: |
2023 |
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This Standard Practice establishes material, surface finish, dimensional, and testing requirements for preformed V-ring packing sets, packing chambers, and valve stems.
Published Date: April 28, 2023
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