Twist Lock Hatch

Call 1-800-455-3917 for pricing

SKU: UMC-474 Category:


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    • Gasket – Nitrile Rubber
    • Chain – Galvanized Steel
    • Coaming (Optional) – Steel
The Twist Lock hatch is a simple proven design for hatch enclosures. The twist engagement method for securing this hatch makes this the simplest hatch to operate. This hatch is made from high strength cast steel with reinforced ribs. Built-in lift-out handles are molded into the cover plate for convenience. It is available Flush or with a Raised Coaming.
Feature Description
High strength cast steel construction.
Lift-out grab handles cast into cover.
Reinforced steel ribs on cover to provide greater impact resistance.
Galvanized keeper chain ensures the cover stays attached and will never get lost.
Twist lock hatches are typically found along the gunnels of a barge as well as on the bow/ stern and on top of cargo compartments or tanks. They are used to access wing tanks, the rake compartment, cargo compartments etc. for venting, filling, and inspecting.
ASTM A27-70-36 Cast Steel
Painted Primer Grey

UMC-474 Cast Steel Hatch with Cast Steel Deck Ring
Model Number Part Number Description Clear Opening In. (mm) Weight Total Lbs (Kgs.) Cutout Dimension in. (mm)
UMC-474 08640-101A Flush 18″ Round Twist Lock Hatch 18.6″
UMC-474-5 08641-101A Raised 18″ Round Twist Lock Hatch W/ 5″ Coaming 18.6″