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Wide range foam proportioner ES-WRP

The wide range proportioner accurately proportions foam concentrate into a water stream over a wide range of system flow rates. The device is configured to proportion foam concentrate at a 3% ratio. Wide range proportioners are an integral part of an approved foam system. In addition to the wide range proportioner, the main components of the approved foam system are: foam concentrate, a foam storage tank, a concentrate control valve, and foam discharge devices.

he wide range proportioner has the capability to accurately proportion foam concentrate into the water supply at low flow rates as required when only a small quantity of sprinklers have activated.

  • Designed to meet the requirements of NFPA 16 Chapter 4 “Closed-loop foam/water spray systems" and NFPA 30 "Flammable and combustible liquids standards
  • Fast response
  • Can mix foam concentrate at a minimum flow rate of 25 GPM (95 Lpm)
  • Maximum/minimum flow ratio of 120:1
  • Allows the use of lower-cost bladder tank systems
  • Fewer total system hardware requirements
  • Fewer total system maintenance requirements
  • Easy installation – can be connected to bladder tanks via pre-connected tubing
  • Minimal moving parts
  • No electrical connections required
  • Can be installed between two flanges without the need for slide valve parts

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