840 – High Pressure Booster Pump Control Valve, Active Check Valve
Description
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)