Flush Round Scuttle Hatch

Low‑profile design. High‑stakes reliability.

The UMC‑551 is engineered for marine environments where rapid, dependable egress is essential. Its flush, unobtrusive profile blends cleanly into decks and bulkheads, while its quick‑acting mechanism ensures crews can escape or access critical areas without hesitation.

Fast Emergency Egress: Designed for one‑motion operation, enabling crew members to open the hatch instantly during drills or real emergencies.

Flush, Trip‑Free Profile: The low‑profile design minimizes snag hazards and keeps decks clear, supporting safer movement in tight or high‑traffic areas.

Watertight Security: Built to withstand harsh marine conditions, the UMC‑551 maintains a robust seal that protects compartments from water ingress, even in rough seas.

Durable Marine‑Grade Construction: Resistant to corrosion, impact, and long‑term exposure, making it ideal for commercial vessels, offshore craft, and military applications.

Optimized for Escape Routes: Commonly installed in accommodation spaces, machinery rooms, and protected compartments where a secondary exit is required by safety

• Spring assisted cover for ease of operation
• Knife edge sealing system enables great seal-ability while preventing water from spilling into the clear opening when opening the hatch
• Quick acting design with 3 adjustable dogs for even clamping pressure
• T-Style Slot spindle allows for opening from the topside
• Topside grab handle facilitates easier opening
• Buna N Gasket material
• Steel (ASTM A36) Painted Primer Grey
• Available in mild steel (Painted zinc primer)
• Also Available in hot dipped galvanized, and all stainless steel construction (special order)