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Dorot

Zero Pressure Foam Valve Range

ZP/HM - ZERO PRESSURE FOAM CONCENTRATE, HYDRAULIC PILOT ACTUATED, DOUBLE CHAMBER SLAVE CONTROL VALVE

Zero Pressure Foam Concentrate, Hydraulic Pilot Actuated, Double Chamber Slave Control Valve

The valve is installed downstream of the foam concentrate tank and is closed in its normal set position by the master’s main line pressure. The slave valve is forced open through the pilot valve by the upstream pressure of its master’s valve water mains. This allows the foam concentrate valve to open even with zero upstream line pressure, ensuring fail safe supply of foam concentrate through the foam proportioner, downstream of the main master valve.

 

Features:

  • Full Stainless Steel construction
  • Double-chamber, zero-pressure, fail-safe operation by its master valve’s water mains
  • Electric remote actuation and remote reset including local manual emergency actuation
  • The application is based on  UL listed valves

 

Applicable for:

  • Control of water & seawater, AFFF concentrate foam systems

 

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