The NIBCO® ductile iron butterfly valve provides ease of operation with quarter-turn (90 degrees) open to close. The valve's unique molded-in EPDM seat liner with aluminum bronze disc is recommended for most water applications. 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. Please refer to NIBCO technical data sheets, chemical resistance guides and catalogs for engineering and installation information. Choose NIBCO® ductile iron 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-year 125% limited warranty.
Rubber-Seated Butterfly Valves IOM
- Valve pressure rating 200 psi
- 225-DegreeF continuous and 250-DegreeF intermittent service
- Wafer style
- EPDM molded-in seat liner
- Aluminum bronze disc
- Stainless steel stem with copper bushings
- Operating mechanism: Bare stem, infinite position plate and lock, lever lock, manual gear operator
- Lead-free*
- Not recommended for steam service
- Designed to meet MSS SP-67
- MSS SP-25 (markings)
- U.S. Coast Guard Category A
- California Health and Safety Code Section 116875
- Vermont Act 193
Rubber-Seated Butterfly Valves IOM
Manufacturer Resources
Product Specs
- All Application(s):
- Lead-Free
- All Basic Material:
- Ductile Iron
- Classification:
- Ductile Iron Butterfly Valves
- End Connection:
- Wafer
- Product Group:
- Valve
- Seat Seal Material:
- EPDM Rubber
- System Use:
- Lead Free*, Commercial Plumbing, HVAC, Irrigation, Mining
- Type of Valve:
- Butterfly Valve
- Valve End Connection Type:
- W -- Wafer
- Valve Pressure Rating (PSI):
- 200 PSI rated pressure
- Parent sku:
- NBC-WD-2000