Check Valves Books

  • API STD 594 For Petroleum Refining Standards

    This international standard covers design, material, face-to-face dimensions, pressure-temperature ratings, and examination, inspection, and test requirements for two types of check valves.— Type ‘A' check valves are short face-to-face as defined in Table 3 and Table 4 and can be: wafer, lug, or double ...

  • API RP 621 For Petroleum Refining Standards

    This recommended practice (RP) provides guidelines for reconditioning heavy wall (API 600 and API 594 type) carbon steel, ferritic alloy (up to 9 % Cr), stainless steel, and nickel alloy gate, globe, and check valves for ASME pressure classes 150, 300, 400, 600, 900, 1500, and 2500. Guidelines contained in this RP apply to flanged and butt weld ...

  • API SPEC 11V1 Standard for Exploration & Production

    PurposeThis specification was formulated to provide gas lift valves, reverse flow (check) valves, orifice valves, dummy valves and wireline retrievable valve mandrels (WRVM) that are consistently manufactured to a predictable level of quality. Technical content provides requirements for design, materials, tests and inspecting, welding, marking, ...

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