The vertical check pneumatic valve is what

vertical check pneumatic valve is widely used in the need to prevent the backflow medium in the system, such as export pump, hot water filling water side, the centrifugal pump suction side. Its role is to prevent the reverse medium may produce all sorts of consequences, such as pump export don't install vertical check pneumatic valve, when the pump stop suddenly high-speed backflow of water will be to cause significant damage to the pump impeller; Not to install vertical centrifugal pump suction end check pneumatic valve ( Hand dynamic valve) Every time, need filling pump when the phone is switched on.