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2PC Flanged End Trunnion Ball Valve

Technical Specification
Size:2"-48" or DN50-DN1200
Pressure: Class150-1500LB or PN16-PN160 or 10K-40K
Material:WCB,LCB,CF8,CF8M,CF3,CF3M, A105,LF2,F304,F316,F304L,F316L,etc.
Connection Type: Flanged, Butt- welded
Operated Type: Gear, Pneumatic, Electric Acturtor,etc.

  • CX-TBV10
  • CX-VALVE
  • 8481804090

Trunnion Mounted Ball Valve -> Trunnion Mounted Ball Valve


Trunnion mounted ball valves are designed for upstream sealing. The load generated by the line fluid on ball is absorbed by the trunnion bearings and is directly transmitted to the valve body, and the upstream seat driven by medium pressure drifts towards the ball to creater reliable sealing. The seat design has a built-in automatic cavity relief mechanism.


Trunnion mounted ball valves have a bottom entry stem design, where the stem is inserted from inside the body. The higher the line pressure, the tighter the seal. An elastomer seal in the form of an o-ring is located at the lower end of the stem, which provides the first level of protection to the atmosphere. Valves are provided with vent and drain connections for venting/draining of the valve cavity. Vent and drain connections can also be used for on-line affirmation of valve sealing.


Features of Trunnion Mounted Ball Valves:
Trunnion Mounted Ball
Floating Spring Loaded Seat
Double Block and Bleed (DBB) Design Available
Split Body, End Entry
2-Piece or 3-piece Body
Full Port for Pigging Operation
Fire Safe to API 607
Antistatic Design
Anti-blowout Stem
Gear Operation or Actuator Available

Applicable Standards of Trunnion Mounted Ball Valves:

a) Design & Manufacture: API 6D, BS 5351, API 607
b) Face to Face: API B16.10, API 6D, EN 558, DIN 3202
c) End Connection: ASME B16.5, ASME B16.25, EN 1092, JIS B2220
d) Test and Inspection: API 6D, EN 12266, API 598

Sizes: 2" - 48" ,DN 50 - DN 1200
Pressure Rating: Class150 - Class 2500 or PN 16 - PN 420
Material of valve body: WCB, LCB, CF3, CF8M, CF3M, A105, LF2, F304, F304L, F316, F316L etc.
Operated by: Lever, Gear, Pneumatic, hydraulic and Electric actuator

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SERIES 12 PIECE BOLTED BODY FULL/REDUCED BORE, SIDE ENTRY
SERIES 23 PIECE BOLTED BODY FULL/REDUCED BORE, SIDE ENTRY
VALVE TYPETRUNNION MOUNTED BALL VALVE WITH FIRE-SAFE SEATS
DESIGN & MFGEN 17292 /API 6D / NACE MR0175-2009
INSPECTION & TESTINGEN 12266 -1/ API 598/ API 6D
SIZE RANGE(A) DN50 – DN 300 (2″ to 24″)IN 2 PIECE BODY (B)DN200-DN600(8″ TO 24″) IN 3 PIECE BODY
END CONNECTIONFLANGED RF/RTJ or BUTT WELD ENDS
PRESSURE RATINGASME CLASS 150/300/600/900/1500/2500
OPERATING TEMP.(-) 50°C to 200°C
BODY MATERIALWCB/LCB/CF8/CF8M/DUPLEX SS OR EQ. FORGED GRADES
BALL MATERIALWCB or A105+3 MIL ENP/LCB or LF2+ 3 MIL ENP/CF8/CF8M/DUPLEX SS in cast or forged grades
STEM MATERIALSS316/17-4 PH/ DUPLEX-SS
SEAT INSERT MATERIALRTFE/DEVLON/ULTRA/PEEK/VITON
SEAT RING MATERIALA105+3 MIL ENP/F316/ DUPLEX SS
SEAT SPRING MATERIALINCONEL
OPERATIONHAND LEVER/GEAR BOX/PNEUMATIC ACTUATOR
VENT & DRAIN CONNECTIONPROVIDED AS PER API 6D, PLUGGED


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