Bermad 840 Large Metal Hydraulic High Pressure Booster Pump Control/Active Check Valve

The Model 840 High Pressure, Booster Pump Control Valve is a hydraulically operated, piston 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. Model 840 isolates systems from the effects of pump starts and stops for:

• Solitary single speed pumps
• Battery of single speed pumps (add & switch)
• Battery of variable speed pumps (add)

FEATURES

• Line pressure driven
  • Independant operation
  • No motor required
  • Long term drip tight sealing
• Solenoid controlled
  • Low cost wiring
  • Wide ranges of pressure and voltages
  • Normally Open or Normally Closed
• Check feature (spring loaded type)
  • Replace line sized check valve
  • Fail-safe mechanical closure
• In-line serviceable - Easy maintenance
• Double chamber
  • Full powered opening (option "B") and closing
  • Non-slam opening and closing characterisics 
• Balanced seal disk - High flow capacity
• Flexible design - Easy addition of hydraulic features