Perar s.p.a
Model WB -Trunnion Mounted Configuration Ball Valves
FromPerar s.p.a
The ball of trunnion mounted configuration is supported by bearing plates hold by the end adaptors. In such a way the pressure loads are transferred to the valve body granting a smooth rotation of the ball with low torque levels and reduced seat seal wear. On PERAR Trunnion Mounted Welded Body Ball Valves the potential leak paths are minimized making them suitable for buried installations and in general for gas transportation. The weight and overall dimensions are optimized by applying a shaped design. They are manufactured in a wide range of sizes and pressure classes from forgings.
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BASIC CHARACTERISTICS
- API 6D, API 6A design
- Full Bore and Reduced Bore design
- Flanged or Welding Ends
- Spring loaded floating seats
- Bi‐directional sealing
- Anti blow‐out stem
- Anti static device
- Heavy duty bearings
- Double Block & Bleed design
- Fire safe design
Model: WB
- Size: 1/2” to 68”
- Pressure Classes: ASME 150# to 2500#
- Temperature Range: ‐196°C to 400°C
- Soft Seating Standard
- Metal Seating On Request
- Self-relieving Seats Standard
- Double Piston Effect Seats On Request
- Vent & Drain ports Standard
- Emergency sealant injection On Request for 6" FB and above
- Wetted Areas Overlay On Request
- Manual operated or Actuated Standard
- Stem Extension On Request
- Extended Bonnet On Request
- Welded Pups On Request
- Sealing Areas Overlay On Request