4-Dog Round

Raised watertight hatches are strong and secure enclosures designed to be easily accessed when needed. They are universally used on all types of commercial vessels from tank barges, hopper barges, box barges a,nd push-boats to OSVs and larger commercial vessels. Their simple design and quality steel construction help them meet long-range range trouble-free service requirements in the harshest environments.

• Standard hardware package – Steel Cover / Coaming
• Tumble Bolt – Bronze
• Dog Handle – Steel
• Bolt 5/8-11 – Zinc Plated Steel
• Nut 5/8-11 – Zinc Plated Steel
• Gasket – Nitrile Rubber
• Premium hardware package – Steel Cover / Coaming & All Stainless
• Tumble Bolt – Stainless Steel
• Dog Handle – Stainless Steel
• Bolt 5/8-11 – Stainless Steel
• Nut 5/8-11 – Stainless Steel

• 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.

Raised watertight hatches are typically found along the gunwales 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.

• Steel (ASTM A36)
• Painted Primer Grey