China Cast Steel Flanged End Trunnion Mounted Ball Valve

Trunnion Mounted Ball Valve
Two Pieces/Three Pieces Cast Steel Body Ball Valve
Full Bore & Reduced Bore
Anti-static Device
Blow-out Proof Stem
Fire Safe Design
Emergency Sealant Injector
Vent Valve, Drain Valve
Lifting lugs and supporting feets(8" & larger)
Optional Lockable Handle Lever; Gear Box, Electric, Pneumatic & Hydraulic
Standard
Design: ASME B16.34/API 6D
Face to Face: ASME B16.10
End Flange: ASME B 16.5
BW End: ASME B16.25
Test: API 598
Fire Safe Test: API 607/API6FA
Special: NACE MR-01-75
Materials
BODY:
Carbon steel, Stainless steel, Low temperature carbon steel, Duplex, Special Alloys, ...Other materials under request
SOFT SEATS: PTFE, RPTFE, PEEK, DEVLON, NYLON, ...Other materials under request
metaL SEAT: Tungsten Carbide(TC), Stellited, Ni60...Other materials under request.
TRIM: A105+EP, 304, 316, 410, MONEL, ...Other materials under request
Double block and bleed design(DBB)
Double stem sealing.
The ball can maintain pressure sealing of pipeline when it is closed or fully opened.
Shorter upper sleeve reducces bearing load and operation torue
Limit device ensures the accurate opening and closing position of the valve
The vall and stem are separated so as to reduce stem load.
The stem adopts anti-blow-out design.
The sealing surface is inserted into te metal seat by polymer or plastic
The metalbacked self-lubricating PTFE bearing and PTFE thrust washers
Reduce the opening torque and prolong the service life of the valve.
Stem leakage can be prevented through the emergency grease fitting.
Application
Refinery
Chemical
Petrochemical
Power plant
Gas
PRODUCTS
WORKSHOP
PACKING
We welcome all the world customers to contact us for more cooperation.
With our years of technical knowledge and experience,we assure you,
Naibang will be one of your best parters in China.

NO.PartMaterial1BodyASTM A216-WCB A352-LCB A351-CF8,CF8MK,CF3,CF3M,Duplex2Seat SpringInconel X-7505 SS304 SS3163Seat RingASTM A105+ENP A182-F304,F316,F316L,F6,F514SeatPTFE RPTFE PEEK PPL5BallASTM A105+ENP A182-F304,F316,F316L,F6,F516Key1045 A182-F304,F316,F316L,F304L7Sliding BearingStainless Steel+PTFE SS316+PTFE8Thrust WasherPTFE9O-ringNBR Vtion10StudASTM 193-B7,B7M,B8,B8M11NutASTM 194-2H,2HM,8,8M12YokeA216-WCB13Gland FlangeA216-WCB A3541-CF814StemA105+ENP A182-F6,F304,F316,F316L,F304L,17-4PH,F5115PackingPTFE Graphite16ScrewASTM A193-B7,B817Stem Injection1020+ZN A182-F304,F316,F316L18Seat Injection1020+ZN A182-F304,F316,F316L19Vent Valve1020+ZN A182-F304,F316,F316L20Antistatic SpringStainless Steel SS31621BonnetA216-WCB A352-LCB A351-CF8,CF8M,CF3,CF3M,Duplex22Body GasketPTFE SS304+Graphite SS316+Graphite 23TrunnionA105+ENP A182-F6,F304,F316,F316L,F304L,17-4PH,F5124Bottom CoverASTM A105+ENP A182-F304,F316,F316L25Lower GasketPTFE26Drain Valve1020+ZN A182-F304,F316,F316L27Seat SealingGraphite28Gand GasketSS304+Graphite29Bottom Cover GasketSS304+Graphite