The NIBCO® ductile iron butterfly valve provides ease of operation with quarter-turn (90 degrees) open to close. 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 unique molded-in EPDM seat liner with stainless steel disc is recommended for chemical applications the liner compatibility will permit.
The NIBCO® wafer type butterfly valve provides bubble-tight shutoff at 250 psi and is recommended for quick installation and removal from piping. The valve performs well in isolation and throttling applications, commercial, some light industrial process, and chemical applications that the liner compatibility will permit.
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