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
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