Experience and engineering ability separate Walz & Krenzer from most other suppliers of watertight doors. Since patenting sliding electro-hydraulic sideports in 1953, we have been a leading U.S. supplier of cargo handling doors. The more complex the requirements, the more
you need our expertise.

Watertight Closures for the Marine Industry

Walz & Krenzer Marine Grade Products

Watertight Closure

Sideport Doors

Since patenting rolling electro-hydraulic sideports in 1953, Walz & Krenzer has established a long and successful tradition of supplying superior quality sideports.

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Stern & Bow Doors

Both stern doors and bow doors are available in single or multiple panel configurations, with a wide variety of designs to allow for a maximum use of cargo space.

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Conveyor Doors

Designed and patented by Walz & Krenzer in the 1960's, the conveyor belt watertight bulkhead door uses simple pneumatic and hydraulic operation, incorporating a unique rotating section between the upper trough belt and the return belt.

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Movable Deck Sections

Although capable, WK has deliberately stayed out of the large deck section field, preferring to specialize in the design and manufacture of moderate to small size deck sections, many of which require unique hydraulic operating systems.

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Bulkhead Doors

Bulkhead doors, both weathertight and watertight, are generally larger than personnel doors, and most often require power operation.

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