Design Features

These valves have a metal to metal sealing.  

Double block and bleed;

Cavity pressure self-relief;

Blowout-proof stem;

Seats are sprayed with Tungsten Carbide HVOF(High Velocity Oxy Fuel) or overlay cladding coated with metal to metal contact between seats and ball. Hardness of coating surface: up to HRC68～ 72;

Bonding strength of coating: ≥10000Psi;

Thickness of coating: 0.3 – 0.5 mm;

Product Range

Body material: carbon steel, stainless steel, alloy steel, exotics.

Nominal diameter:2″～24″

Pressure range:Class150～2500

End connection: RF, RTJ, BW

Working temperature:-50℃～+560℃

Operation: wrench, worm gear, electric, pneumatic actuator, gas over oil actuator, electro-hydraulic actuator , etc.