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    TB-G series API6D Trunnion Mounted Ball Valve

     Technical parameters/ specification:

    Design Standard: API6D、ASME B16.34

    Connection Style: ASME B16.5/16.47、ASME B16.25

    Structure Length : ASME B16.10、API6D

    Inspection and Test: API6D、API598

    Size Range : 1/2" ~ 48"

    Pressure: CL150 ~ CL2500

    Operation: Gear Box

    Optional Opration: manual control、electric、pneumatic 、hydraulic etc.

    Structure features: 

    ◇ 3PC、forged carbon steel 、fixed ball、soft seal/metal seal.

    ◇ Fire safe design(API607/API16FA)、anti-static.

    ◇ Blowout-proof stem.

    ◇ Cavity pressure selfrelief: When cavity pressure is higher than seat spring and line pressure, the self-relieving action allows the valve seat to move slightly away from the ball surface, Automatic pressure release.

    ◇ When the valve installed spring floating seat is full open or full closed, both sides of the ball can prevent the fluid ,the pressure within the body cavity can be released through the drain plug.

    ◇ Emergency sealant injection: When the sealing materials are damaged or decomposed by fire or other accidental causes, the seat and stem leakage can be prevented by the injection of sealant into these fittings .

    ◇ The work of the valve ,the pressure in front of the valve react on  ball surface all transferred to the bearing, the valve seat pressure would be not overload, which makes the valve torque is small, the seat deformation is small, stable sealing performance ,long service life.



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