Product Introduction：PFT Trunnion Mounted Ball Valve is supplied for two-piece,three-piece split body and top entry body, all design is based on standard APl 6A, Flow shut off can be achieved by rotating the ball 90 degrees.
·Back-up Metal to Metal Sealing: When primary soft-seat material is deteriorated by fire, the metal to metal provides shutoff;
·Use stellite overlay or spray tungsten carbide to harden the sealing surface of ball and seats, which prolong the service life;
·Two O-ring seals prevents leakage from stem area;
·Stem with blow out proof design, to ensure the stem safety under pressure;
·Floating Spring-loaded Seats: Ensure sealing even at low pressures;
·Emergency Sealant Injection Fitting: Allow external interventions to prevent stem leakage;
·Emergency Sealant Injection Fitting: Allow external intervention to prevent seat leakage;
·O Ring & Gasket Combination: Prevents leakage from body joint area.
-Size: 1-13/16" ~ 7-1/16"
-Pressure: 2,000 ~ 10,000PSI
-Material: AA, BB, CC, DD, EE, FF, HH
-Temperature: L, N, P, S, T, U, V, X, Y
-Specification: PSL1 ~ PSL3G
-Performance: PR1, PR2