PFF-Gate valve

PFF-Gate valve

Technology specification：

The design meets the requirement of API SPEC 6A.

Nominal bore：1 13/16″~7 1/16″

Rated working pressure：2000~20000PSI

Rated working temp：K、L、P、R、S、T、U、V

Material class：AA, BB, CC, DD, EE、FF

Product specification level：PSL1~PSL4

Performance requirement level：PR1-PR2

Suitable medium：Petroleum, natural gas, mud etc.

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Feature in design:

Comply with the requirement of API SPEC 6A;

Valve structure includes two kinds, i.e.rising stem and non-rising stem 

End connection type : Flange, thread, collar and butt welding

Driving model：Manual, gear drive and hydraulic.

Gate structure：Integral and expanded 

The sealing face of gate and seat is overlaying-welded with hard alloy with erosion and corrosion resistance.

The valve seat is classified into floating and fixed structure

Stem filler adopts lip structure with reliable seal and small operation torque。