Features

  • Protecting lower pressure zones
  • Prioritizing higher pressure zones
  • Preventing pipeline emptying
  • Ensuring controlled pipeline fill-up
  • Pump overload and cavitation protection
  • Compensating during groundwater drawdown

Description

The Model 723 Pressure Sustaining and Reducing Valve is a hydraulically operated, diaphragm actuated control valve with two independent functions. It sustains minimum pre-set upstream pressure, regardless of fluctuating flow or varying downstream pressure. And, it prevents downstream pressure from rising above maximum pre-set, regardless of fluctuating flow or excessive upstream pressure.

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