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Dorot

Deluge Pressure Reducing Valve Range

DE\HRV\PR-MR - HYDRAULICALLY ACTUATED ANTI-COLUMNING, MANUAL-RESET PRESSURE REDUCING DELUGE VALVE

Hydraulically Actuated Anti-Columning, Manual-Reset Deluge Pressure Reducing Valve

  • Model 30U-DE\HRV\PR-MR
  • Model 68P-DE\HRV\PR-MR

Hydraulically activated, Pilot-controlled Deluge/Pre-Action valve, actuated by the pipeline pressure. The valve is closed in its normal, set position and opens when the hydraulic pressure drops in a pressurized pilot-line, tripping a hydraulic relay. When tripped, the valve regulates to a steady, preset downstream pressure, regardless of upstream pressure or flow rate fluctuations. The valve must be manually reset following automatic actuation. An emergency manual release valve is fitted as standard.

Features:

  • UL Listed
  • Simple structure
  • Easy installation and maintenance
  • Manual-Reset 

 

Applicable for:

  • Deluge or Single-Interlock Pre-Action type valves
  • Water, Sea water and Foam
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