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Ullage Style: Round – 8” & 10”

Ullage Style: Round – 8” & 10”


    • Low cost – high strength cast steel construction.
    • Cast Steel and Stainless Steel Dog handles (grease zerks Optional)
    • Bronze tumble bolts for corrosion resistance and trouble free operation
    • Bolts and nuts made from dissimilar metals to prevent galling and corrosion
    • Simple Ullage arm hinge design allows for simple and clear access to port
The Ullage hatch is a strong and secure method of enclosing a tank compartment while still providing easy single bolt operation for inspection or measuring of cargo. Available in 8” and 10” diameters.
Feature Description
Tumble Bolt – Bronze
Dog Handle – Steel
Ullage Arm – Steel
Bolt 5/8-11 – Zinc Plated Steel
Nut 5/8-11 – Stainless Steel
Washer – Stainless Steel
Gasket – Nitrile Rubber
Steel (ASTM A36)
Painted Primer Grey

UMC-144-5 8″ Steel Hatch with Stainless Steel Hardware
Model Number Description Part Number Clear Opening In. (mm) Weight Total Lbs (Kgs.) Downloads
UMC-144 8″ Round Ullage w/ 7/8″ Coaming 01242-102A 8″
UMC-144-5 8″ Round Ullage w/ 5″ Coaming 01242-104B 8″
UMC-569-5 10″ Round Ullage w/ 5″ Coaming 01243-101A 10″

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