• 44X(SFCV), SKSC4X * rubber flap check valve
  • 44X(SFCV), SKSC4X * rubber flap check valve
  • 44X(SFCV), SKSC4X * rubber flap check valve
44X(SFCV), SKSC4X * rubber flap check valve
44X(SFCV), SKSC4X * rubber flap check valve
44X(SFCV), SKSC4X * rubber flap check valve
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44X(SFCV), SKSC4X * rubber flap check valve

Rubber flap check valve is mainly composed of three main parts: valve body, valve cover and rubber flap. The rubber flap is made of steel plate, steel rod and reinforced nylon cloth as the substrate, and the outer layer is covered with rubber. The service life of the valve flap can reach 1 million times. The valve adopts full flow area design, with small head loss, not easy to accumulate chores, easy maintenance and other characteristics. The valve is mainly suitable for water supply and drainage system, can be installed at the outlet to prevent back flow and water hammer damage to the pump. The valve can also be installed on the bypass pipe of the water inlet and outlet pipes of the reservoir to prevent the backflow of the pool water into the water supply system.

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Product Details


44X(SFCV), SKSC4X * rubber flap check valve

Product overview

Rubber flap check valve is mainly composed of three main parts: valve body, valve cover and rubber flap. The rubber flap is made of steel plate, steel rod and reinforced nylon cloth as the substrate, and the outer layer is covered with rubber. The service life of the valve flap can reach 1 million times. The valve adopts full flow area design, with small head loss, not easy to accumulate chores, easy maintenance and other characteristics. The valve is mainly suitable for water supply and drainage system, can be installed at the outlet to prevent back flow and water hammer damage to the pump. The valve can also be installed on the bypass pipe of the water inlet and outlet pipes of the reservoir to prevent the backflow of the pool water into the water supply system.

Technical parameters

Nominal pressure 1.0~1.6MPa
Nominal General 50~600mm
Applicable media Water and weakly corrosive fluids
Applicable temperature 0~80℃
Flange standard Gb/t 17241.6 gb/t 9113
Test standard GB/T 13927 API598

Typical Installation Schematic

Main Parts and Components Materials

Part Name Valve body Bonnet Disc
Materials cast iron cast iron steel reinforced nylon cloth

Main connection dimension unit mm

DN 50 65 80 100 150 200 250 300 350 400 450 500 600
L 203 216 241 292 356 495 622 698 787 914 978 978 1295

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