Weir API Valves

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designed and manufactured in accordance with API 6A latest edition PSL 1-4 while the robust, simple and reliable gate and seat design promotes ease of service with in-line maintenance.

Features include positive metal-to-metal sealing (gate-to-seat and seat-to-body), and stem packing that is chemically inert using spring energising rings which require no adjustment or plastic injection.

Stem packing can be replaced while the valve is under pressure and comes in API material classes AA through HH. Material for hydrogen sulfide and carbon dioxide service lies in accordance with NACE MR-01-175 latest edition. All valves are performance tested to PR2, with temperature ratings K through X up to 177°C (350°F).

  • Pressures up to 15,000 PSI for various API valve sizes

  • Metal-to-metal seals: Seals are stable, thermally insensitive and environmentally resistant; Utilised in the gate/seat, body/bonnet and stem/bonnet backseat

  • Selective backseat: Provides unparalleled safety during venting, lubrication and stem packing replacement; Allows stem packing replacement without removing valve from service

  • Slab gate: Assures smooth operation during extreme thermal cycles

  • Floating seats: Allows bi-directional use

API Valves Specifications:

  • Maximum Temperature (C)