- Low cost – high strength cast steel construction
- Lift-out grab handles molded into cover casting
- Reinforced steel ribs on cover to provide greater impact resistance
- Galvanized steel chain ensures the cover stays attached and will never get lost
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 3/8” cast steel with reinforced ribs. Built-in Lift-out handles are molded into the cover plate for convenience.
Gasket – Nitrile Rubber
Chain – Galvanized Steel
Coaming – Steel
Steel (ASTM A36)
Painted Primer Grey
UMC-474 Cast Steel Hatch with Cast Steel Deck Ring
|Model Number||Description||Part Number||Clear Opening In. (mm)||Weight Total Lbs (Kgs.)||Downloads|
|UMC-474||Flush 18″ Round Twist Lock Hatch||08640-101A||18.6″
|UMC-474-5||Raised 18″ Round Twist Lock Hatch W/ 5″ Coaming||08641-101A||18.6″
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