High pressure forged steel ball valve, This series of ball valve is not only material widely and
internal materials are color nickel plating on the surface of 316 materials, sealing ring with special
polymer materials. The valve not only corrosion, sulfide resistance ability, fire-retardant, anti-static,
good sealing performance, the use of a wide range of pressure and temperature, full size and
shrinkage are complete, and can be matched with various driving device is chemical, oil refining,
torch, natural gas transportation system with the ideal valve selection. according to the needs of
users, in order to meet the curing environment in curing application cracking requirements,
this series of high-pressure forged steel ball from design, material, manufacturing, testing, surface
treatment and painting are in strict accordance with the United States of America corrosion
engineer will NACE standard.
The main function of:Valve chamber stagnant medium due to temperature changes and people often boost,
medium pressure to promote the seat out of the sphere, to the effect of automatic pressure
relief, pressure is automatically reset after the discharge valve seat.
Stem parts of the seal with PTFE filler and O ring double sealing, especially for gas medium.
Stem movement using high-quality SF parts self-lubricating bearings, the friction coefficient is
smaller, reduce operating torque.In addition to general sealing seat, special sealing structure,
can play and emergency action when leakage due to seal damage.
Unscrew the elimination device can check whether the valve seat leakage, can also reduce
emissions in the medium retentate chamber of the valve unilaterally on pollution. In the working
state, the valve in the fully open or fully closed, can replace the stem packing department.
When the fire or in the different temperature of the valve seat sealing ring is damaged or
softening. Valve operation is still reliable, at the same time, the valve seat and ball forming a
metal to metal, to temporarily seal effect, preventing the further expansion of the fire, in
accordance with the provisions of AP16FA.
