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About This Item

 

Full Description

Scope: This Standard Practice covers the construction requirements for high pressure, lug- and wafer-type, iron and ductile iron knife gate valves.

This Standard Practice covers flanged body designs compatible with ASME B16.1, Class 125 flanges for sizes NPS 2 (DN 50) through NPS 60 (DN 1500), ASME B16.1 Class 250 flanges for sizes NPS 2 (DN 50) through NPS 48 (DN 1200), and ASME B16.42 Class 150 and 300 flanges for sizes NPS 2 (DN 50) through NPS 24 (DN 600).
 

Document History

  1. MSS SP-146-2019


    High Pressure Knife Gate Valves: Iron and Ductile Iron, Lug-, Wafer-, and Flange-Type

    • Most Recent
  2. MSS SP-146-2014

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    High Pressure, Lug- and Wafer-Type, Iron and Ductile Iron Knife Gate Valves

    • Historical Version