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VEF-5308ARFL | Valve: 2″ 2W, Rbr Seat, 115 CV, Proportional, Failsafe
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OVERVIEW | Valve: 2" 2W, Rbr Seat, 115 CV, Proportional, Failsafe
The electronic KMC VEF-53 series butterfly valves are two-way valves for control of straight-through flow in high-capacity hot or chilled water applications. Valves range in size from 2″ to 6″ with modified equal percentage flow characteristics. The lug-style valves feature a stainless-steel disk and shaft with an EPDM seat to assure long life and bubble-tight shut off.
These valves use KMC MEP-7000 series ControlSet tri-state or proportional actuators. An optional fail-safe feature allows failure to either open or closed positions upon loss of 24 VAC supply—the capacitor-driven fail-safe models provide efficient operation with switch-selectable fail direction. The MEP-7xx2 proportional (2–10 VDC or 4–20 mA) models feature a switch-selectable, 1–5 or 2–10 VDC voltage feedback output that is proportional to the actuator position. A gear disengagement feature allows positioning of the valve stem/disk without energizing the actuator.
For equivalent three-way valves, see the VEF-56 Series.
Specifications
| Actuator Type | Electric |
|---|---|
| Auxilary Switch | Accessory |
| Brand | KMC Controls |
| CV | 115 |
| Control Input | 0-10 VDC, 2-10 VDC, 4-20 mA |
| Fail-Safe | Yes |
| Fail-Safe Type | Electronic |
| Feedback | Voltage |
| Input Types | Proportional |
| Normality (Fail) | Selectable |
| Power Supply | 24 VAC, 24 VDC |
| Selection Guide | Valve And Actuator |
| Timing (sec) | 90 |
| Torque | 180 in-lb |
| Valve Connection | Flanged, Rbr Seat |
| Valve Piping Style | 2W |
| Valve Size | 2" |
| Valve Type | Butterfly |