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COOPER® Valves has been in business since 1930 and in 1934 became the first valve manufacturer to successfully pour 304 Stainless Steel. Since then COOPER® Valves has become a widely accepted and approved manufacturer while continuing to develop its technologies and currently manufactures valves in a wide array of exotic alloys that are notoriously hard to pour and machine. Today we continue to improve our designs and processes to ensure we are manufacturing the best valves for our customers. Currently, COOPER® Valves manufactures a full line of cast and forged gate, globe, and check valves, as well as resilient seated ball valves and Accuseal® metal seated ball valves. COOPER® Valves are manufactured to the applicable sections of ANSI and API standards and are in use in almost every corrosive application today.

COOPER® Valves range in size from 1/4” through 36” and beyond with pressure ratings from 150# to 4500#. COOPER® Valves also offers an extensive range of materials for its valves including Stainless, Austinetic Stainless, Alloy 20, Alloy 990, Duplex, Super Duplex, Monel, Inconel, Incoloy, Nickel, Titanium, Hastelloy C, Hastelloy B, Zirconium. Accuseal® also available in F91, A105, and F22.

General Specifications:


  • Gates - Globes - Checks
    • Cast - 1/2" - 36+" 150# - 1500#
      • Design: B16.34
    • Forged - 1/4" - 2" 800# - 1500#
      • Design: B16.34 & API602

  • Ball Valves
    • Soft Seat - 1/2" - 12+" 150# - 1500#
      • Design: B16.34
    • Accuseal® Metal Seated Ball - 1/2" - 30+" 150# - 1500#
      • Design: B16.34 & API602


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