Product description
The electric flange gate valve is suitable for cutting off or connecting the pipeline medium in various systems of petroleum, chemical, hydraulic, and thermal power plants with a nominal pressure of PN1.6~16.0MPa and a working temperature of ≤-29ºC~550ºC. Applicable media are: water, oil, steam, acid, alkali, ammonia, urea, etc.
Structure and characteristics
1. Exquisite selection of materials, in line with relevant domestic and foreign standards, and high overall quality of materials.
2. It meets the requirements of advanced standards at home and abroad, with reliable sealing, excellent performance and beautiful appearance.
3. The sealing pair is advanced and reasonable. The sealing surface of the gate and the valve seat is made of Stellite cobalt-based hard alloy with different hardness. The sealing is reliable, the hardness is high, the high temperature resistance, the corrosion resistance and the abrasion resistance Good damage performance and long life.
4. After quenching and tempering and surface nitriding treatment, the valve stem has good corrosion resistance and scratch resistance.
5. It adopts wedge-type elastic gate structure, medium and large diameters are equipped with thrust bearings, the friction is small, and it is equipped with impact manual operation, which can be opened and closed easily.
6. Various piping flange standards and flange sealing surface forms can be used to meet various engineering needs and user requirements.
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