H41X

Skip to product information


The H41X Flange End Silence Check Valve is built for ultra-quiet performance in fire protection, HVAC, and water systems. Designed with a spring-assisted disc mechanism, it ensures immediate closure to prevent water hammer and reverse flow. The flanged connections allow for secure, easy installation, while its durable internal components deliver consistent, long-term operation. Ideal for installations where silent functionality and reliable flow control are critical.

Noise-reducing check valve with flanged ends for smooth, backflow-free operation.


• Flange End: ANSI150LB/GB Standard/BS Standard

• Screw Material: SS304 Stainless Steel

• Gasket Material: Ductile Iron

• 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

Call Us