Product Details
The 1/2" x 10" T-550NL 1/4 turn no lead frost-free sillcock valve features a male national pipe thread (MNPT) and sweat connection. It is equipped with an easy-to-grip 1/4-turn Softouch™ TPR coated metal handle and a patented dual disc cartridge that ensures durable and reliable shut-off. The oversized, 5° angled mounting flange facilitates ease of installation, and the valve includes an EPDM rubber gasket. Additionally, it has an integrated anti-siphon vacuum breaker with a chrome-plated brass cap, complying with ASSE 1019-type A device standards. The valve is third-party certified for NSF/ANSI 61, which addresses drinking water system components and health effects, as well as ASSE 1019-A for performance requirements concerning wall hydrants with backflow protection and freeze resistance. The product adheres to various standards, including ANSI/ASME B1.20.1 for general purpose pipe threads, ANSI/ASME B16.18 for cast pressure alloy solder-joint fittings, ASTM F1807 for metal insert fittings utilizing a copper crimp ring or stainless steel clamps, ANSI/ASME B16.51 for copper and copper alloy press-connect pressure fittings, and ANSI/ASME B1.20.7 for male garden hose outlets.








