
Sewer Water Venturi Flange End Ball Type Non Return Check Valve (QH44X). Customizable Design: Accepts design and manufacture of non-standard valves based on user drawings and samples. Multi-Material Options: Available in Cast iron, Ductile iron, Carbon steel, and Stainless steel. Wide Pressure Ratings: Supports PN10, PN16, and Cl150 pressure ratings for diverse applications. Certified Quality: Holds ISO9001, CE, and TS Pressure pipe components manufacturing qualifications. Effective Backflow Protection: Eliminates pressure surge and protects pumps from reverse movement. Low MOQ: Minimum Order Quantity is 1 PC, welcoming small trial orders. Fast Delivery: Normal products delivered in 15 days; bulk orders in 20-30 days. Comprehensive Warranty: Provides 1-year warranty for all products excluding gaskets and easy broken parts.