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About This Item

 

Full Description

This Standard covers ball valves in sizes NPS-⅛ to NPS-4, with minimum rated working pressures of 860 kPa (125 psi) at 23°C (73°F), intended for use in water supply and distribution systems and specifies requirements for materials, physical characteristics, performance, testing and markings.
 

Document History

  1. IAPMO Z1157-2014e1

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    Ball Valves

    • Most Recent
  2. IAPMO Z1157-2014


    Ball Valves

    • Historical Version
  3. IAPMO IGC 157-2013E2


    Ball Valves

    • Historical Version
  4. IAPMO IGC 157-2013e1


    Ball Valves

    • Historical Version
  5. IAPMO IGC 157-2013


    Ball Valves

    • Historical Version
  6. IAPMO IGC 157-2012


    Ball Valves

    • Historical Version
  7. IAPMO IGC 157-2007


    Ball Valves

    • Historical Version