products

Double block and bleed ball valve
    发布时间: 2019-06-01 13:44    

BOV VALVE can provide valve selection according to customer's different working conditions.

Double block and bleed ball valve
Main Standard:
Design Standard: API 6D
Face to Face Standard: ASME D16.10
Connection standard: ASME B 16.5,ASME B16.25
Test & Inspect Standard:API 598
Description
Double block and bleed ball valve 
Double fixed balls hinged on supports, and floating metal or soft seats.Central Needle Vent Valve
  • Size Ranges from 1/2” through 12” , Large Sizes on request.
  • Pressure Range: from ASME Class 150 to ASME Class 2500.
  • Temperature range from-46 to 450 .
  • Side Entry Forged Steel Valves.
  • On request, Top-Entry design.
  • Low pressure loss through the valve.
  • Low actuation torque.
  • "CE" marking in compliance with PED Directive 97/23/EC.
  •  Full bore or Reduced bore.
  • Different kinds of end connections (RF/RTJ) Flanges, Butt Weld, Clamp Connection, Socket Welding).
  • Wide availability of materials depending on the specifications (carbon steel, stainless steel or Duplex steel for service in corrosive environments, Chrome-Molybdenum alloy steel for high temperature service, etc.).
  • Materials with anti-corrosion properties according to NACE MR 0175.
  • On request, seat pocket area overlay, seal area overlay, or completed cladding on wetted surface (welded overlays in Inconel 625, Stainless Steel 316, etc., or Electroless Nickel Plating).
  • Suitable for manual (wrench of gear) or motorized actuation ( hydraulic, pneumatic, gas-over-oil or electric actuator).


D.B.B Ball Valves available, but not limited to 
▲ Trunnion D.B.B Ball Valves ▲ Floating D.B.B Ball Valves