The NIBCO® ductile iron butterfly valve provides ease of operation with quarter-turn (90 degrees) open to close. The unique EPDM molded-in seat liner with stainless steel disc is recommended for the higher pressure requirements of systems today and chemical applications the liner compatibility will permit. 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® lug type butterfly valve provides bi-directional dead-end service without a downstream flange, and bubble-tight shutoff at 285 psi to meet today’s higher pressure demands. The valve performs well in isolation and throttling applications, commercial, some light industrial process, and a range of chemical applications.
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