The Butt-Weld Butterfly Valve is a manually operated bi-directional flow valve with a four position pull handle. Designed for sanitary industries, you can customize this valve to your application with a selection of seat materials, sizes, construction materials, connections, and handles. The butterfly valve has a streamlined, reliable, durable design that is field-serviceable and has low resistance to flow. If you require a different size or fitting please contact our sales team.
Butterfly Valve Technical Specifications
- Sizes: 1", 1.5", 2", 2.5, 3", 4", 6" (0.5", 0.75", and 8" available by special order only)
- Material: 316L
- Seat Material: EPDM, Silicone, or FKM (Viton)
- Connections: Butt-Weld (Tri-Clamp is also available)
- Handle: 4-position pull handle (Stainless trigger handle and black plastic trigger handle also available)
- Manual operation
- Minimum/Maximum Temperature Range
- EPDM: -40 °F - 266°F
- Silicone: -76°F - 392°F
- FKM: -4°F - 392°F
- Recommended Operating Temperature Range
- EPDM: -4°F - 230°F
- Silicone: -13°F - 284°F
- FKM: -4°F - 302°F
| Size | Pressure Rating (PSI) | Flow Coefficient (Cv) | Weight (lbs) | Break Torque (lbs) - EPDM | Break Torque (lbs) - Silicone | Break Torque (lbs) - FKM |
| 0.5" | 150 | 8 | 2.40 | 35 | 15 | 25 |
| 0.75" | 150 | 20 | 2.31 | 45 | 18 | 35 |
| 1" | 160 | 23 | 3.06 | 75 | 20 | 70 |
| 1.5" | 160 | 80 | 2.90 | 130 | 40 | 125 |
| 2" | 160 | 230 | 3.65 | 165 | 55 | 175 |
| 2.5" | 140 | 264 | 4.14 | 210 | 70 | 220 |
| 3" | 140 | 372 | 4.99 | 350 | 165 | 310 |
| 4" | 140 | 800 | 7.82 | 540 | 350 | 450 |
| 6" | 110 | 1200 | 16.54 | 1550 | 700 | 750 |
| 8" | 110 | 2110 | 28.40 | 680 | 520 | 550 |
