Oliver Twinsafe produces a range of Trunnion Ball and Floating Double Block and Bleed Valves. We offer true double isolation with two independent ball valves contained in one valve body, guaranteeing absolute shut-off and maximising the safe operation of any processing facility.

Design Standards:?ASME B16.34, API 6D, ASME VIII, ASME B16.5
Firesafe Standards:?API 607, API6FA, ISO 10497
Optional Features:?Seat and Stem Injection Points; Ball Cavity Drain and Vent Ports; Double Piston Effect (DPE) Seats; PTFE Lip Seals
Pressure Rating:?ASME Class 150 to 2500, API 6A up to 10,000 API
Soft Seats:?Devlon, PEEK, PTFE & Metal Seats: Tungsten Carbide and Chrome Carbide
Temperature Range:?-50 deg c to 200 deg C, high temperature option up to 315 deg C available