What Is The Difference Between A Micro-resistance Slow-closing Check Valve And Other Check Valves
Mar 19, 2021
Check valves can be divided into multiple types according to different use environments. The more commonly used ones are: slow-closing check valves, stainless steel check valves, forged steel check valves, flue check valves, and so on. So what is the difference between the slow closing check valve and other check valves?
The function of the slow-closing check valve is to prevent the medium in the pipeline from flowing back. It is suitable for various pipelines with nominal pressure PN1.0MPa~42.0MPa, Class150-2500; nominal diameter DN15~1200mm, NPS1/2~48; working temperature -196~540℃ to prevent the medium from flowing back. Through the selection of different materials, it can be applied to various media such as water, steam, oil, nitric acid, acetic acid, strong oxidizing media and urea.
Micro resistance slow closing check valve
The rubber flap check valve is made of steel plate, steel rod and reinforced nylon cloth as the backing, and the outer layer is covered with rubber. The valve flap opening and closing life can reach 1 million times. It adopts the design of full flow area, has the characteristics of small head loss, not easy to accumulate debris, and easy maintenance. It is mainly suitable for horizontal installation of water supply and drainage system, and can be installed at the outlet of the water pump to prevent backflow and water hammer from damaging the pump. The rubber flap check valve can also be installed on the bypass pipe of the water inlet and outlet pipes of the reservoir to prevent the pool water from flowing back into the water supply system.
Stainless steel check valves can also be used to supply pipelines for auxiliary systems whose pressure may rise above the pressure of the main system. Stainless steel check valves can be applied to pipelines of various media according to different materials. A hydraulic shock phenomenon in which the pressure rises or falls due to changes in the flow rate of the fluid in the pressure pipeline.
