China dbb ball valve manufacturers, dbb ball valve suppliers, dbb ball valve factory. The ZGV DBB Double Block and Bleed Ball Valves have been solving many fluid control problems in water, potable water and general industrial applications for over 30 years. Today ZGV Technologies is putting that experience to work for you in more ways than ever before-meeting your changing requirements with dependable ZGV D.B.B Ball Valves and accessories. ZGV D.B.B Ball Valves are Designed and manufactured strictly to International Standards API 6D, ASME B16.34, BS 5351 or Equivalent, Featured with compact structure & Tight Shut-off service, Designed with Fire-safe, Anti-static and Blow-out, Available in both Full and regular ports.
All D.B.B Ball Valves manufactured and supplied by ZGV are with the following features:
» 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).
ZGV offers D.B.B Ball Valves available, but not limited to
▲ Trunnion D.B.B Ball Valves ▲ Floating D.B.B Ball Valves
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