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Bronze, Flanged, Wye-Pattern Strainers


2 to 8 in. (50 to 200mm)


Series 77F-BI Bronze, Flanged, Wye-Pattern Strainers are used in liquid and steam applications. They feature a wye-pattern, Class 150 bronze body, stainless steel screen and blow-down plug. Series 77F-BI can be installed in horizontal or vertical pipe with the blow-down connection at the lower end of the screen retainer cover. Maximum Pressure (non-shock): 225psi (15 bar) @ 150°F (66°C) WOG; 150psi (10.3 bar) @ 406°F (208°C) WSP.

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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

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