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  • Square Valve
    285 PSI Working Pressure
    Sizes 2"-48"

    "Replace Under Pressure" Replaceable Flange Valve
    ANSI 125/150 & 300 Bolt Pattern

  • Square Flange
    285 PSI Working Pressure
    Sizes 2"-96"

    "Replace Under Pressure" Replaceable Flange Valve
    ANSI 125/150 & 300 Bolt Pattern

  • Current Materials include: carbon steel, stainless steel, plastics, composites and exotics.
  • Current Coatings include: fusion, paints, teflon, polyurethanes and glass.
  • Current Max Pressure ratings: - 285 PSI / 20 bar - American & British Standards.
  • Higher pressure ratings available.
  • International patents pending

  • Square Flange & Square Valve:

    • Square Valve

      2"-48" Square Valves


      Can be installed during construction or used to perform a hottap connection without leaving a permanent valve. Other options include tapping for odd ported valves such as a plug-valve or butterfly valve, or to provide a repairable/replaceable butterfly Valve known as the SquareFlange Butterfly. SquareFlange Butterfly is available through 48” allowing for future butterfly replacement without a shut down or depressurization of product.

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    • Square Flange 2-96 inches

      2"-96" Square Flange


      The SquareFlange provides a dependable and long lasting isolation point without leaving a permanent valve. The SquareFlange is similar in diameter to a standard flange and the laying length is compact, making it easily adaptable for your growing systems. Our patented design allows internal surfaces to be free of corrosive fluid, giving them very long life. Compared to standard sewage valves which are known to perform poorly, show a short life span, and are expensive to replace in a pressurized system, the SquareFlange offers longevity, performance, confidence, is inexpensive, and offers the ability to replace internal controls while pressurized!

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