1, double blocking and discharge function: Fixed ball valve using spring pre-tightening floating seat, regardless of the valve in the open or full off state, the upper and lower side of the seat so that the fluid block, valve body cavity retention through the discharge valve excretion.
2, Automatic pressure relief function: valve body cavity stay medium temperature rise and cause abnormal boost, do not need to pass the safety valve, and only by the seat function can automatically release pressure, which is very important to ensure the safety of the valve in the delivery of liquid media.
3, fire safety structure: valves are equipped with fire safety functions, its design, manufacture are in accordance with API 607 and API 6FA specification requirements.
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A Member Unit of PetrolChina
A Member Unit of CSPC
Manufacturing License of Special Equipment