Supply trenches Muffler check valve

Hebei Hua Fei trench Muffler check valve mounting fast, easy, safe, reliable, free installation space is limited, piping and valves to facilitate maintenance, there is noise and vibration within a certain range of angles have overcome pipe connection different axes to produce imitation difference resolve the advantages arising from the temperature difference between expansion and contraction. Introduction and use of trench Muffler check valve main technical parameters Nominal 1.O1.62.5 test pressure shell strength 1.52.43.75 sealing groove of 1.11.762.75 Muffler check valve for the media type of cast iron products, Ductile iron copper stainless steel For medium water, steam, oil, air-water, steam water, steam, oil, nitric acid and air temperature sealing surface material acetonitrile rubber ethylene propylene rubber Viton PTFE plastic copper stainless steel operating temperature ≤60≤80≤250≤250≤200≤200≤200 Muffler check valve means relying on the flow of the medium itself automatically open and close the valve, the valve to prevent the media back, also known as a check valve, one-way valve, reflux valve Muffler check valve, and back pressure valve. Check valves are an automatic valve, whose main role is to prevent the media back, to prevent the pump and drive motor reversal, and discharge the container medium. Pressure valve which can also be used to exceed the system pressure may rise auxiliary systems provide supply pipeline. Muffler check valve flap disc-shaped, about the passage of the shaft rotates the seat because valve passage into streamlined, flow resistance ratio rose butterfly valve, suitable for low flow rates and flow not constantly changing large-caliber occasions, but not for pulsating flow, the sealing performance is less than lift. Butterfly valve points univalve, double valve type, and most of type three, these three forms according to the valve diameter main points, the purpose is to prevent the media to stop the flow or back when, weakened hydraulic shock. Grooved Muffler check valve is widely used transmission fluid drainage pipes, fire, air conditioning, gas, petroleum, chemical, water treatment, municipal, shipbuilding and other pipeline projects as the control fluid action.