The 311N Series Butterfly valves are ideal for use as throttling valves. With the 10-position index plate, it is easy to repeat consistent flow conditions. Compact in design, this valve is used when space is at a premium.
- PVC body
- EPDM liner & O-rings
- 316 Stainless steel index plate & hardware
- Rugged, corrosion-resistant coated metal handle
- 100% bubble-tight seal
- Integral boot seal (flange gaskets not required)
- Bolt sets include bolts, washers & nuts sized to accommodate butterfly valve & 2 PVC flanges
- PVC disc with optimized strength/Cv performance
- Pressure rating: 150 psi @ 70°F
- Maximum temperature: 140°F