Rubber Flap Check Valve is primarily suitable for horizontal installations in water supply and drainage

systems. H84X-16 installed at the water pump’s outlet to prevent backflow and water hammer damage to

the pump. It can also be installed on bypass pipes for inlet and outlet of reservoirs to prevent reverse flow of

pool water into the water supply system.


The rubber flap within the valve is constructed with a base of steel plate, steel rod, and reinforced nylon

fabric. The outer layer is coated with rubber material. The valve flap’s switch has a lifespan of up to 1 million

cycles. H84X (SFCV) series rubber flap check valve is designed with a full-flow area, resulting in minimal

head loss and reduced likelihood of blockages.


Pressure Rating: 1.0 MPa – 1.6 MPa Pressure Test: GB/T 13927-2008
Applicable Media: Water, Steam, Gas, Oil, etc. Structural Length: GB/T 1222-2005
Applicable Temperature: 0°C – 80°C Design and Manufacturing: GB/T 12233-2006
Nominal Diameter: DN 65 – DN 200 Flange Connection Dimensions: GB/T 17241.6-2008





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