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Water Safety & Flow Control



Wafer Style Butterfly Valves


2 to 24 in. (50 to 600mm)


Series BF-04-NSF Wafer Style Butterfly Valves are designed to meet the stringent requirements of NSF-61 and are certified by NSF to NSF/ANSI 61 Section 8. They are ideal for use in HVAC, irrigation, OEM, commercial, and institutional applications and wherever positive shutoff is required to control the flow of liquids, gases, and slurries. They feature a cast iron body construction, stainless steel shaft, ISO mounting pad for lever handle, gear operator or actuator. Pressure Rating: For 2 to 12 in. (50 to 300mm) 200psi WOG for 14 to 24 in. 150psi WOG and are available with aluminum bronze or stainless steel discs and EPDM seats

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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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