Additional InformationAPI 609 Specified|MSS SP-25, MSS SP-67 Compliant|NSF/ANSI 61 and 372 Certified|QAIus P347-1|Vermont Act 193
Marketing InformationThe NIBCO® ductile iron lug butterfly valve provides ease of operation with quarter-turn (90 deg) 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 in. The unique molded-in EPDM seat liner with aluminum bronze disc is recommended for most water applications. Choose NIBCO® butterfly valves for the most specified, versatile and economical valve option in commercial, mechanical and industrial applications. NIBCO® butterfly valves are backed by the NIBCO® 5 years 125% limited warranty.