Butterfly Valve
Keystone Series GR Resilient Seated Butterfly Valve
Series GR Butterfly Valve with Powered Actuator
The Keystone Series GR is a general purpose resilient seated butterfly valve available in flanged, lugged or wafer body style for any service where drop-tight shut-off and maximum flow area is required.
Features
- Shaft seals prevent moisture penetrating into the shaft area
- The seat is field replaceable and fully isolates the body and shaft from the flow
General Application
Detail Specification
| Sizes | DN 50 - 900 (NPS 2 - 36) |
| Reinforced Seat | 16 bar DN 350 - 600 (230 psi NPS 14 - 24) |
| Vacuum Service | 0.4 bar (5.8 psia) |
| Temperature | `-40°C to +160°C (-40 °F to +320°F) |
Keystone Series GR Resilient Seated Butterfly Valve
Series GR Butterfly Valve with Powered Actuator
The Keystone Series GR is a general purpose resilient seated butterfly valve available in flanged, lugged or wafer body style for any service where drop-tight shut-off and maximum flow area is required.
Features
- Shaft seals prevent moisture penetrating into the shaft area
- The seat is field replaceable and fully isolates the body and shaft from the flow
General Application
Detail Specification
| Sizes | DN 50 - 900 (NPS 2 - 36) |
| Reinforced Seat | 16 bar DN 350 - 600 (230 psi NPS 14 - 24) |
| Vacuum Service | 0.4 bar (5.8 psia) |
| Temperature | `-40°C to +160°C (-40 °F to +320°F) |
