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Check valve
Check valve

Check valve


The check valve is a kind of one-way valve that prevents back flowing of the medium by means of its gravity and medium pressure. It is applicable for corrosive media piping systems, drainage systems of various industries, and the cases where installation space is limited. 


Features
The check valve is a kind of one-way valve that prevents back flowing of the medium by means of its gravity and medium pressure. It is used to prevent medium from flowing back that may result in backward rotation of the pump and drive motor, and medium leakage from the container. The valve has the advantages of simple design, reliable movement, easy maintenance and small size, and is applicable for corrosive media piping systems, drainage systems of various industries, and the cases where installation space is limited. 
Technical parameter 
-- Nominal inner diameter: DN 20~1200 
-- Nominal pressure: 0.6 MPa ~ 42.0 MPa 
-- Temperature: -196~+540℃ 
-- Material: carbon steel, alloy steel, stainless steel, cast iron, full plastic, plastic with steel lining 
-- Valve type: swiveling type, lifting type, wafer type, butterfly type 
-- Applicable medium: water, steam, oil, dust collected in power plant, steel plant, slightly corrosive medium, mud and hard particles

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