Double Block and Bleed Valves assure double isolation function thanks to two obturator inserted in a single body and they provide the bleed function by means of a bleed/vent system located between obturators(body port and ball, gate or needle valve), from the floating ball valve design, BEV-Boer Valve DBB valves with several different constructions.
» Double fixed balls hinged on supports, and floating metal or soft seats, central needle vent valve
» Size Range from 1/2” through 2”, 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 Reduce bore
» Different kinds of ends connections(RF/RTJ) Flanges, Butt weld, Clamp Connection, Socket Welding.
» Wide availability of materials sepending 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 overylay, or completed cladding on wetted surface(welded overlays in inconel 625, Stainless Steel 316 etc., or Electroless Nickel Plating)
» Suitable for wrench or motorized actuation(hydraulic, pneumatic, gas-over-oil or electric actuator)
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