PVC-U single check valve, UPVC active ball core vertical check valve， Check Valve One Way Check Valve

Smooth flow, low fluid resistance, sealing, low impact of closing the valve, beautiful appearance and high reliability. Widely used: Used to prevent fluid backflow, widely used in mechanical equipment, water supply and drainage, industrial plants, home waterworks, etc.. Suitable for water, steam, oil and so on. Smooth flow, low fluid resistance, sealing, low impact of closing the valve, beautiful appearance and high reliability. Widely used: Used to prevent fluid backflow, widely used in mechanical equipment, water supply and drainage, industrial plants, home waterworks, etc.. Suitable for water, steam, oil and so on. The check valve are made of PVC material, durable and compact, it can prolong the product service life. Safe and nontoxic, perfect for water pipe fitting. Strong resistance to acid, alkali, salt corrosion ability, can be used for different types of liquid. Widely used in backflow of water supply pipe, backflow of water tank pump pipe and backflow of sewage.