3" Swing Brass Check Valve DN80, 3 Female Thread Horizontal One Way Check Valve, Oil Water Fuel Gas Air Check Valve to Prevent Water Backflow for Sump Pump and Air Compressor

[SWING BRASS CHECK VALVE] -- Swinging brass check valve is a kind of valve that relies on its own weight and medium pressure to stop the medium backflow. Only allows the medium to flow in one direction, which prevents the medium from flowing backwards.
[LESS PRONE TO SCALING] -- Brass check valve inner wall polished treatment, smooth surface, not scaling, not clogging, practical and durable.
[WEAR RESISTANT AND EXPLOSION-PROOF] -- Brass valve body is characterized by pressure and explosion resistance, high temperature resistance and durability. Uniform wall thickness, high wear-resistant strength and long service life.
[INSTRUCTION] -- Pressure: 232PSI, Applicable temperature: 14℉≤T≤248℉, Flow direction: unidirectional, media range: water, oil, non-corrosive flammable gas. Please refer to the size chart on the product detail page to select the right size check valve.
[WIDELY USED] -- Suitable for most piping systems. Widely used in chemical, construction, petroleum, light and heavy industry, fire fighting, electric power, aerospace, shipbuilding ......

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