applicable to water supply and wastewater treatment projects in various pipe and water channel as overflow, check effect, also can be applied to various vertical shaft manhole cover; Only for one-way water flow of round, square or rectangular export, the structure of ductile iron is simple, reliable work, no human operation, usable flange connection, also can connect with embedded parts fixed.

Features and Benifits

Unique lightweight ductile iron design

Double hinge for optimal sealing

Durable fusion bonded epoxy coated

Anti-tamper stainless steel hinge pins

Bushed hinge links

Corrosion resistant construction

Lifting eye as standard

    Drilled to suit flange and wall mounting

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