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XILYZMO Cast Iron Flap Check Valve – 6mm Thick

$385.99 on Amazon.com (as of October 16, 2026, 12:56 PM EST) View details ↗

The **XILYZMO Circle Cast Iron Flap Check Valve** delivers unmatched durability and reliability for demanding water management applications. Engineered with a **6mm-thick cast iron body**, this valve resists deformation and high-impact water flow, ensuring long-term structural integrity even in harsh outdoor environments—ideal for flood control, wastewater systems, and agricultural irrigation. Its **gravity-based drainage mechanism** automatically opens for forward flow while sealing instantly under reverse pressure, effectively preventing backflow and costly flooding.

Featuring a **flange mount design** with standardized bolt holes, installation is quick and hassle-free, while four size options (21.5cm, 28cm, 33.5cm, and 44cm diameters) ensure a perfect fit for your piping needs. The valve’s precision-engineered closure minimizes leakage, and its **industrial red protective coating** extends performance in agricultural, municipal, and water conservancy systems. Whether managing wastewater, irrigation, or reservoir flow, this check valve handles one-way pressure efficiently while maintaining superior corrosion resistance.

Body Thickness6mm
Diameters Available21.5cm, 28cm, 33.5cm, 44cm
MaterialCast Iron with Industrial Red Protective Coating
Mounting TypeFlange Mount (Standardized Bolt Holes)
Primary Use CasesMunicipal Wastewater, Irrigation, Aquaculture, Reservoir Management
MechanismGravity-Based Flap (Automatic Reverse Flow Seal)
Can this valve be used in both municipal wastewater and agricultural irrigation systems?
Yes, the XILYZMO cast iron flap check valve is designed for versatility, handling one-way flow in both municipal wastewater and agricultural applications like irrigation and aquaculture.
How does the gravity mechanism prevent backflow?
The valve’s flap opens naturally under forward flow but seals instantly under reverse pressure, using gravity to stop backflow without requiring additional power or maintenance.
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