Electric Actuated Lug Butterfly Valve
Electric actuated lug butterfly valve; a lug-type butterfly valve with threaded lugs that connect separately to flanges and can also be used as a terminal valve, fitted with an ISO 5211-compatible electric motor actuator, remotely controlled by electric signal. Since it requires no compressed air, it is ideal for automation in facilities without compressor lines, in the field and at remote locations.
Actuators are on-off rated with proportional control option available (4–20 mA / 0–10 V). Supplied with 220 V AC, 24 V AC and 24 V DC power options, IP67 protection class and 90° ±5 rotation angle; in case of power failure the valve can be operated manually via lever or handwheel. Available in DN50–DN300 range; with stainless steel, nickel-plated or bronze disc and EPDM, NBR, Viton or PTFE seat options.
Benefits
- Automation without compressed air
- 220 V AC, 24 V AC and 24 V DC power options
- IP67 protection class
- Manual control option in case of power failure
- Proportional control option
- Position feedback contacts
Applications
- Building automation and HVAC
- Water distribution and storage tanks
- Treatment facilities
- Field applications without compressor lines
- Irrigation systems
Technical Specifications
| Nominal size | DN50–DN300 |
|---|---|
| Operation | On-off; proportional option |
| Supply voltage | 220 V AC; 24 V AC / 24 V DC option |
| Protection class | IP67 |
| Rotation angle | 90° ±5 |
| Ambient temperature | -20 °C … +70 °C |
| Actuator connection | ISO 5211 |
| Operating pressure | PN16 (up to DN300); PN10 (larger sizes) |
| Connection | Lug (threaded lug) |
Materials
| Body | GG-25 grey cast iron or GGG40 ductile iron, epoxy coated |
|---|---|
| Disc | AISI 316 stainless steel, nickel-plated ductile iron or aluminium bronze |
| Stem | AISI 420 stainless steel |
| Seat | EPDM, NBR, Viton (FKM) or PTFE |
Why ORFA?
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