Call 1-800-455-3917 for pricing

SKU: UMC-144-5-SS, UMC-569-5-SS Category:



    • Tumble Bolt – Bronze
    • Dog Handle – Stainless Steel
    • Bolt 5/8-11 – Stainless Steel
    • Nut 5-8-11 – Bronze
    • Gasket – Nitrile Rubber
UMC’s Stainless Steel hatches are the perfect option for an enclosure in a harsh and caustic environment. Our stainless hatches are fabricated using high quality corrosion resistant 304 Stainless Steel that maintains excellent weld-ability to the deck of your vessel. We offer various Oval and Round Stainless Hatches that are raised or flush.
Feature Description
Custom coaming heights available upon request.
Other gasket material available upon request.
Various hardware options available:
– Steel, Stainless Steel, & Bronze Dog Handles (available with or without grease fittings).
– Bronze & Stainless Steel Tumble Bolts.
– Lug Bolts and nuts made from dissimilar metals to prevent galling and corrosion.
Flame screens available upon request (sold separately).
Stainless ullage hatches are commonly found welded to the top of a raised watertight hatch or on top of the cargo compartments of tank barges. They are typically used as a vent or an inspection port to measure or verify cargo as well as fill a tank.
304 Stainless Steel

Model Number Part Number Description Clear Opening In. (mm) Weight Total Lbs (Kgs.)
UMC-144-5-SS 01242-104S 8″ Round Ullage w/ 5″ Coaming (Stainless Steel) 8″
UMC-569-5-SS 01243-101S 10″ Round Ullage w/ 5″ Coaming (Stainless Steel) 10″