overview: lift check valve lift check valve selection in the nominal pressure PN1. 6 ~. - 4 mpa, working temperature 29 ~ 550 ℃ in the petroleum, chemical, thermal power plant under various working conditions such as the pipeline. Applicable medium: water, oil, steam, etc. Lift check valve structure characteristics: 1, the lift check valve has simple structure, reliable operation, convenient maintenance, are widely used in the purification equipment, petroleum, chemical, metallurgy, electric power, textile, etc.  2 in the process of production, the body indicated by the arrows to enter the body when the medium, the medium pressure produce upward thrust on the disc, when medium thrust is greater than the gravity disc, the valve opens. When the valve after the medium pressure forces acting on the disc and the disc before its own gravity is greater than the valve pressure forces acting on the disc, the valve is closed, to prevent backflow medium. According to user requirements design and manufacture of different structure forms and the connection form of check valve, used for a variety of devices.

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