Flap Gates
Flap Gates are used where flow is always in one direction and back-up flow is acceptable. Gate is opened by water pressure at the back of the gate flap and is closed by water pressure on the face. Gates are square or circular and normally hinged at the top. These corrosion-resistant, rust-proof automatic drainage Flap Gates are designed to be used with aluminum corrugated pipe for flange mounting or HDPE with cast iron gates. Waterman Industries Flap Gates feature J-Bulb Neoprene adjustable seats to provide excellent sealing against return water flow.
Overall features & benefits
- Light weight to reduce installation costs
- Excellent sealing
- 12" to 84" sizes
- Custom spigot sizes available
- Seating heads to 40'
- Aluminium alloy 6061-T6 frame, cover, retainer ring, hinge arm, and pivot lug
- Stainless steel gate hardware
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