NA51370 | Inline Check 1 1/4" MNPT | Caleffi

**Caleffi Inline Check Valve NA51370** The Caleffi NA51370 Inline Check Valve is a reliable and durable solution for preventing backflow in fluid systems. Constructed with a rugged MNPT (Male National Pipe Thread) connection, this valve ensures a secure and leak-proof installation. Its compact design makes it suitable for confined spaces, providing maximum efficiency. The NA51370 features a spring-loaded check mechanism that effectively prevents backflow, safeguarding your equipment and ensuring uninterrupted operation. The brass construction provides excellent corrosion resistance, making it suitable for use with various fluids, including water, air, and oil. **Key Features:** * Inline design for easy installation in pipelines * 1 1/4" MNPT connection for secure and leak-proof sealing * Spring-loaded check mechanism prevents backflow * Brass construction ensures durability and corrosion resistance * Compact size for confined spaces **Applications:** * Preventing backflow in water, air, and oil systems * Protecting pumps, valves, and other equipment from damage * Maintaining the integrity of fluid systems Shop now and upgrade your industrial operations with the Caleffi NA51370 Inline Check Valve. Our HVAC supply store offers the best prices and fast shipping for all your industrial needs.