The NIBCO® ductile iron butterfly valve provides ease of operation with quarter-turn (90 degrees) open to close. The EPDM cartridge liner with ductile iron, electro nickel plated disc is recommended for most water applications. An extended neck allows for insulation up to 2 inches.
The NIBCO® lug type double flanged butterfly valve provides bubble-tight shutoff at 150 psi and bi-directional dead-end service without a downstream flange to 100 psi. These valves are recommended for commercial and some light industrial process applications, in addition to HVAC and hot and cold potable water.
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