• F-55 Heavy Duty Round Flap Gates

    Waterman F-55 Heavy Duty Flap Gates are designed for applications with maximum 55 foot seating heads.  Each gate is custom-made to job requirements.

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  • F-40-Heavy-Duty-Flap-Gates

    Waterman F-40 Heavy Duty Flap Gates are designed for applications with maximum 40 foot seating heads.

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  • F-25 Medium Duty Flap Gates

    Waterman F-25 Medium Duty Flap Gates are designed for applications with maximum 25 foot seating heads.  Each gate is custom-made to job requirements.

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  • F-20 Medium Duty Flap Gates

    Waterman F-20 Medium Duty Rectangular Flap Gates are designed for applications with maximum 20 foot seating heads.  Each gate is custom-made to job requirements.

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  • 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

    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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