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Water Safety & Flow Control



2-Piece, Standard Port, Bronze Ball Valves with Safety Exhaust



1/4 to 2 in. (8 to 50mm)


Series B6400-SE 2-Piece, Standard Port, Bronze Ball Valves with Safety Exhaust feature a drilled valve body and ball to provide vent for relieving air pressure downstream and actuator mounting pads. The B6400 standard port orifice ensures minimal pressure drop, while virgin PTFE seats, blowout proof pressure retaining stem and chrome plated brass ball provide lasting service. Pressure Rating: 175psi (12.1 bar).

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Disclaimer: Watts product dimensions in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.

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Additional Information

Danger – Scalding Lurks!

Every year, thousands of people suffer serious thermal shock or scalding injuries in their bathtubs, sinks and showers.

Click here for informative resources to help you protect against these dangers.

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Thermostatic Mixing Valves

Every year thousands suffer injuries as a result of hot water scalding and thermal shock injuries. Thermostatic mixing valves protect against these dangers.

To learn more about thermostatic mixing valves and how they work, click here.