The Model 740 Booster-Pump Control Valve is a hydraulically-operated, diaphragm-actuated, active check valve that opens fully or shuts off in response to electric signals. It isolates the pump from the system during pump starting and stopping, to prevent pipeline surges.
- Isolation of pump start and stop effects from system, for:
- Solitary single speed pumps
- Battery of single speed pumps (add & switch)
- Battery of variable speed pumps (add)
Features and Benefits
- Line-pressure driven
- Independent operation
- No motor required
- Long-term drip-tight sealing
- Solenoid-controlled
- Low-cost wiring
- Wide ranges of pressures and voltages
- Normally Open or Normally Closed
- Check feature (spring-loaded type)
- Replaces line-sized check valve
- Fail-safe mechanical closure
- In-line serviceable – easy maintenance
- Double chamber
- Full-powered opening (option “B”) & closing
- Non-slam opening & closing characteristic
- Protected diaphragm
- Balanced seal disk – high flow capacity
- Flexible design – easy addition of hydraulic features
