- 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.
HARDWARE:
Gasket – Nitrile Rubber
Chain – Galvanized Steel
Coaming – Steel
HATCH MATERIAL:
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″ (472) |
85 (39) |
|
| UMC-474-5 | Raised 18″ Round Twist Lock Hatch W/ 5″ Coaming | 08641-101A | 18.6″ (472) |
118 (54) |
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