The NIBCO® ductile iron butterfly valve provides ease of operation with quarter-turn (90 degrees) open to close. The EPDM cartridge seat liner with stainless steel disc is recommended for water and chemical applications the liner compatibility will permit. An extended neck allows for insulation up to 2 inches.
The NIBCO® lug type butterfly valve provides bubble-tight shutoff at 150 psi and bi-directional dead-end service without a downstream flange to 150 psi. The valve is recommended for commercial and some light industrial process applications, in addition to HVAC and hot and cold potable water.
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