
Xhnotion Nv Series 20mm Plastic Non-Return Valve Water Meter Check Valve. Zero Leak Performance: Guarantees zero leakage at both low and high pressure and temperature conditions. Low Headloss Design: Generous flow structure ensures the lowest headloss for efficient fluid movement. Versatile Medium Compatibility: Suitable for both water and air applications in residential or commercial systems. Wide Size Range: Available in sizes from 8mm to 50mm to meet various system requirements. Drip Tight Testing: All models undergo 100% production testing to ensure drip-tight operation. High Pressure Rating: Maximum pressure rating up to 230 PSI for robust performance. Multiple Certifications: Certified by ROHS, ACS, FDA, and REACH for safety and compliance. Easy Installation: Compact design with no thread connection to prevent potential leakage.