Fenner Precision offers two types of reliable diaphragm closures for marine platforms; one provides protection for auxiliary buoyancy; the other prevents the seabed material from leaking into the structure.

Buoyancy Diaphragms

This type of diaphragm closure is made from rubber reinforced with polyester fabric, and is flat on one side to achieve a robust seal and eliminate the distortion that would occur with welding.

Mud-Exclusion Diaphragms

These ‘leak eliminators’ are used to prevent seabed material from entering the area between the pile and pile sleeve or structure leg. Used in conjunction with grout seals where seabeds are soft, these diaphragms are manufactured without any tooling requirement – minimising the amount of machining and cost required.

With a rich heritage in rubber moulding and fabrication, together with advanced modelling technology, we offer precise solutions for a diverse range of industries and heavy duty applications. Our rubber mouldings are specially engineered to perform to exacting demands day in day out – protecting equipment, taking the strain, bearing the load, and coming back for more.

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