Series 3000 Flap Gate and Frame

The fabricated 6061-T6 aluminum or 300 series flap gate and frames shall be series 3000 type as manufactured by WACO Products, Inc., Baltimore, Maryland or equal.

Flap gates with rubber flap plates reinforced with stiffeners of the same alloy as the frame are also available. Flap gates and frames shall be furnished with all necessary accessories and parts for a complete installation and shall be the latest standard product of a manufacturer regularly engaged in the production of equipment of this type. All flap gates and frames shall be furnished by the same manufacturer.