
Bettis HQ-Series Quarter-turn Electric Valve Actuator
주요 기능
- Declutchable manual override
- Terminal block is color coded for easy identification
- Self locking worn gear design
- Built-in thermal protection (thermostat), opens at 150 ±5 °C and closes at 97 ±15 °C
- Optional Adders Include:
- Rechargeable Battery Pack for emergency fail-safe operation
- Current Position Transmitter (4 to 20 mA DC)
- Proportional Control Unit (modulating), input/output: 0 to 10 V DC or 4 to 20 mA DC Duty Cycle: S4 40 to 70%, 800 to 1200 starts/hour (room temperature, average load of 50% of maximum torque)