Metal to Metal Seat Trunnion Ball Valve

High Temperature Service
General soft seat ball valve working temperatureis limited uo to 400° F, but metal-seat ball valves are guaranteed for a maximum service temperature of 800° F.

Low Pressure Reliable Sealing
NIPO metal-seat ball valves adopt seat spring structure, which can push upstream seat tightly against the ball surface creating a reliable sealing even if extremely low pressure

Pressure Test
Metal-seat ball valves maximum allowable seat
Leakage:
Air: ANSI/FC 170-2 CLASS V

Absolute Fire Safe Guarantee
Metal-to-metal contact is designed between ball and seat, where is unconditional fire safe function. Flexible graphite gasket can prevent fluid leakage from between body & seat or body & bonnet even if high temperature environments to reach fire-safe purpose. In addition, other sealing components such as stem packing can also reach fire-safe function and prevent external leakage. So all parts of valve will not be damaged by high temperature service.

Blow-out Proof Stem & Anti-Static Device
As general ball valves, metal-seated ball valves are provided with blow-out proof stem &anti-static device.

INSPECTION

We welcome all the world customers to contact us for more cooperation.

With our years of technical knowledge and experience,we assure you,

Naibang will be one of your best parters in China.