NA51248 | Inline Check 1/2"PEX Exp | Caleffi

**Caleffi Inline Check Valve NA51248** Caleffi's NA51248 Inline Check Valve is designed to prevent backflow in 1/2-inch PEX expansion plumbing systems. Constructed from durable brass, this check valve features a stainless steel spring and Buna-N seals for reliable performance. It operates at pressures up to 150 PSI and temperatures from 33°F to 180°F, making it suitable for a wide range of applications. The compact and lightweight design allows for easy installation, while the red color handle provides clear indication of the valve's status. This check valve is ideal for use in residential, commercial, and industrial plumbing systems to protect against backflow and ensure flow in the desired direction. It meets all applicable industry standards, ensuring safety and reliability.