Wellhead Equipment

API6A Slab Gate Valve for Fluid Control

> Our valves are designed as per API6A,6D, NACE 175;
> The sealing face of gate and seat is overlaid-welding with carbide alloy for erosion and corrosion resistance;
> The imported lip-type composite gate and seat, stem seal provide reliable sealing, safety and minimize operational torque;
> Back seal structure of the stem allows the replacement of the packing under the working pressure;
> Valve structure include two kinds:rising stem ad non-rising stem, with visible sign for opening and closing the valve;
> Gate structure:Integral or split;
> The seat is classified into floating and fixed structure; single seat or double seats
> Driving model: Manual, Hydraulic and gear drive;
> Connection type: flange, thread, and coupling.
> Product technical specifications: PSL1~PSL4 PR1~PR2

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Technical Specifications

FC valve

FLS Valve

Expanding gate valve

Working pressure ：2000PSI～20000PSI
Nominal bore ：1.13/16″～9″ (46mm～230mm)
Working medium: oil, natural gas, mud, consist of H2S CO2gas
Working temp.：-46℃ ~ 121℃ (LU)
Material：AA、BB、CC、DD、EE、FF、HH
PSL：PSL1～4
PR：PR1～2

Full-bore design, effectively eliminates the pressure drop and eddy current, slow flow of solid particles in the valve.
The unique sealing, make the switch torque greatly reduced
Between bonnet & body and gate & seat are adopt metal to metal seal
Between gate and seat are adopt metal to metal seal, Surface spraying (heap) welding hard alloy, has good abrasion resistance, corrosion resistance.
Seat ring is fixed with plate, keep well steady
Stem has a back seal structure so as to replace the seal ring of the stem with pressure
There is seal grease injection valve on bonnet side so as to repair seal grease, and provided seal and lubricate performance of gate and seat
It is matched with all kind of pneumatic (hydraulic) actuator as customer’s requirements