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The NIBCO 39923446480 is a two-piece, full port, lead free ball valve from the T-585-66-LF series, engineered for potable water systems in residential and commercial plumbing applications. The body is silicon bronze construction with a stainless steel ball and stainless steel stem trim, providing corrosion resistance in water service. It is rated to 600 psi cold working pressure and 300 degrees F, with RTFE seats and a NIB-SEAL extended insulated handle for secure shutoff. The threaded end connections accept standard 1 inch pipe and deliver a 1 inch full bore orifice with minimal flow restriction. Licensed plumbers install this valve in supply piping where lead free compliance is required.
This valve is listed for applications that deliver water for human consumption, including potable water distribution in residential construction, commercial buildings, and institutional facilities. The T-585-66-LF series meets NSF/ANSI 61-8 for drinking water system components and NSF/ANSI 372 for lead free content, making it suitable where local codes mandate lead free materials in water supply piping. The full port design supports maximum flow capacity through 1 inch threaded lines.
Designed as an OEM-style replacement and new-installation shutoff valve for 1 inch threaded potable water supply piping in residential and commercial plumbing systems where lead free compliance is required.
Installation should be performed by a licensed plumber in accordance with applicable local plumbing codes and IPC requirements. Shut off the water supply and relieve system pressure before removing or installing the valve. Do not exceed the rated pressure or temperature limits during service. Apply appropriate thread sealant or PTFE tape to NPT connections and ensure the valve is in the open position during soldering or brazing of adjacent fittings to protect internal seals.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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