The NIBCO® cast iron butterfly valve provides ease of operation with quarter-turn (90 degrees) open to close. The valve features a Buna-N encapsulated ductile iron disc. The internal stem/disc splined drive design eliminates the need for pins or bolts that may create leak paths or turbulence in the waterway. An extended neck allows for insulation up to 2 inches.
The NIBCO® flanged end flat faced type butterfly valve provides bubble-tight shutoff at 200 psi. The valve is an excellent substitute for gate valves installed in water (180°F or lower) applications such as commercial and some light industrial process applications including HVAC, in addition to compressed air and vacuum services.
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