H44X

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The H44X Flange End Flexible Disc Check Valve is engineered for quiet, low-resistance flow control in fire protection and water supply systems. Its flexible disc design minimizes water hammer and ensures quick sealing upon flow reversal. The flanged ends provide a secure, easy-to-maintain connection, while the corrosion-resistant body delivers long-term reliability in demanding environments. A go-to choice for systems that prioritize silent operation and dependable backflow control.

Flexible disc check valve with flanged ends for efficient and silent backflow prevention.


• Flange End: ANSI150LB/GB Standard/BS Standard

• Screw Material: SS304 Stainless Steel

• Gasket Material: NBR

• Body Material: Ductile Iron, QT450

• Disc Material: Ductile Iron, QT450, Covered by NBR

• Surface Finishing: Epoxy Red or Blue


• Inch: 2, 2.5, 3, 4, 5, 6, 8, 10, 12, 14, 16

• mm: 50, 65, 80, 100, 125, 150, 200, 250, 300, 350, 400

• Connection: Flange End

• Valve Type: Flexible Disc

• Working Pressure: 1.0/1.6 Mpa

• Color: Red/Blue

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