The NIBCO® cast iron butterfly valve provides ease of operation with quarter-turn (90 degrees) open to close. The unique molded-in EPDM seat liner with aluminum bronze disc is recommended for most water applications. With the internal stem/disc geometric drive design there is no 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® wafer type butterfly valve provides bubble-tight shutoff at 200 psi and is recommended for quick installation and removal from piping. The wafer valve is ideal for commercial and some light industrial process applications, including HVAC and vacuum services, in addition to hot and cold potable water.
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