Series 30/31 Resilient Seated Butterfly Valve
Butterfly ValvesThe series 30/31 resilient seated butterfly valve features a high strength through-stem design which allows for easy disassembly and superior in-line support of the disc.
Specifications
- Size Range: 2" - 20" (50mm - 500mm)
- Body Style: Wafer, Lug
- Temperature Range: -20°F to 400°F (-29°C to 204°C)
- Pressure Ratings: Bidirectional Bubble-tight Shutoff: to 175 psi (12 Bar) Body (CWP): 250 psi (17.2 Bar)
- Body Materials: Cast Iron, Ductile Iron, Carbon Steel, Aluminum
- Disc Materials: Nylon 11 Coated Ductile Iron, Aluminum Bronze, Stainless Steel, Hastelloy®*, Halar®* Coated Ductile Iron
- Stem Materials: Stainless Steel, Monel K500
- Seat Materials: BUNA-N, EPDM, FKM*, Polyurethane
- Applications: Potable Water, Wastewater, Seawater, HVAC
