McWane Plant & Industrial is a leader in water control products for high-volume agriculture, rural surface water delivery, hydro-power and flood control management.

  • Agricultural/Irrigation

    MPI carries the leading product line of water control products for agricultural applications. Our enhanced line of agricultural water control gates, valves and air pressure relief valve products provide greater longevity and performance.

  • Flood Control

    MPIs Waterman brand gates are widely applied in canal and reservoir systems for regulation and control of water flow. Our broad product offering allows us to provide all of the gates, valves and automation products needed to manage complex delivery systems.

  • C-10 Cast Iron Canal Gates

    C-10 Cast Iron Canal Gates

    Waterman C-10 Cast Iron Canal Gates offer reliable water control on canal and pipeline systems which operate at low and medium heads. 

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  • C-20 Cast Iron Canal Gates

    C-20 Cast Iron Canal Gates

    Waterman C-20 Cast Iron Canal Gates offer reliable water control on canal and pipeline systems which operate at low and medium heads. 

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  • AC-31 Aluminum Canal Gates

    AC-31 Aluminum Canal Gates

    Waterman AC-31 Aluminum Canal Gates offer best-in-class performance for corrosion-resistant, rust-proof installations. The superior design is rugged and durable, yet lightweight and easy to install. 

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  • SSC-10 Stainless Steel Canal Gates

    SSC-10 Stainless Steel Canal Gates

    Waterman SSC-10 Stainless Steel Canal Gates offer best-in-class design and performance for optimum corrosion resistance. The superior design offers outstanding longevity for reduced maintenance.

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  • P-30 Cast Iron Slide Gates

    P-30 Cast Iron Slide Gates

    Reliable water control for medium-duty applications, such as small reservoirs, distribution boxes, ponding areas, and pumping stations, where fluid and operating conditions are moderate and continuous throttling action is not anticipated.

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  • PF-25 Flap Gates

    PF-25 Flap Gates

    PF-25 flap valves are free-opening, tight-closing valves available at a modest price. 

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  • Fabricated Stainless Steel Flap Gates

    Fabricated Stainless Steel Flap Gates

    Waterman SSF-41 (round) and SSF-43 (rectangular) Fabricated Stainless Steel Drainage (Flap) Gates are corrosion-resistant, rust-proof automatic drainage gates designed for flange mounting or wall mounting. 

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  • F-10 Cast Iron Flap Gates

    F-10 Cast Iron Flap Gates

    Designed for use with concrete pipe, head walls, and corrugated metal pipe with up to ten foot seating head.

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  • AF Series Fabricated Aluminum Flap Gates

    AF Series Fabricated Aluminum Flap Gates

    Corrosion-resistant, rust-proof automatic drainage gate designed for use with aluminum corrugated pipe or HDPE.

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  • H-30 Cast Iron Line Gates

    H-30 Cast Iron Line Gates

    Built for direct installation into pipelines to eliminate the use of capped stands or standpipes.

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