Swing check valve and lift check valve
Check valve is a valve referred to the opening and closing parts for the circular disc and by its own weight and medium pressure to block the media flow back. Check valve is a valve referred to the opening and closing parts for the circular disc and by its own weight and medium pressure to block the media flow back.
Product Description
Lift check valves are similar in construction to globe valves except for the lack of a stem to drive the disc. The medium flows from the inlet end (the lower side) and flows from the outlet end (the upper side). The valve is opened when the inlet pressure is greater than the sum of the weight of the disc and its flow resistance. On the contrary, the valve is closed when the medium flows backwards. Swing check valves have a tilt and can rotate around the axis of the disc, the working principle is similar to the lift type check valve.
Main material of valve: stainless steel, cast steel
Nominal pressure: 1.0~4.0MPa
Applicable medium: Water, sewage, oil, gas, corrosive mediums etc.
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