• Booth: 508

Brands: BISAN is the master Canadian distributor for MARIC valves in Canada. Maric offers accurate and reliable constant flow control valves that provide accurate control with no moving parts.


  • MARIC Constant Flow Control Valve
    MARIC offers an accurate and reliable constant flow control regardless to process pressure variations.
    Valve comes in insert, NPT threaded or wafer style ranging form 6 mm up to 300 mm...

  • Maric constant flow valves maintain a constant pre-set flow rate of water, over a wide pressure range. For flow rate sensitive pumps, filters, pump glands and water distribution systems, the installation of these valves can offer many benefits and valuable protection. The technology is based on a precision moulded rubber control ring in the valves body, with an orifice diameter that varies in response to the pressure differential applied to it. The greater the pressure, the smaller the orifice, and vice versa, thereby maintaining a constant flow.

    The valves are reliable, compact, self-cleaning and are maintenance free throughout the life of the valve. Flow rate increases generally one half to one percent per year. Therefore depending on the accuracy required by the installation, valve life can be up to 20 years.

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