Flush Watertight T-Bolt Hatches

Flush T-Bolt

ModelUMC-430ABS Certified

Made from high strength 3/8” steel for better impact resistance.

Models: UMC-430-18 · UMC-430-18-GAL · UMC-430-18-SS · UMC-430-24 · UMC-430-24-GAL · UMC-430-24-SS
Part no.: 01210-101A · 01210-101B · 01210-101S · 01220-101A · 01220-101B · 01220-101S
Material: Steel (ASTM A36) · Painted Primer Grey or Galvanized
Certificates: ABS 25-0092892-2-PDA
Category: Flush Watertight T-Bolt Hatches

Built to ABS standardsQuote within 48 hWorldwide shipping

Overview

T-Bolt – Stainless Steel

Thread Block – Brass

Strongback – Galvanized Steel

Gasket – Nitrile Rubber

Washer – Brass

T-Bolt Gasket – Nitrile Rubber

Cotter Pin – Stainless Steel

Made from high strength 3/8” steel for better impact resistance.

No tools required, single bolt T-Bolt for secure engagement.

Stainless steel T-Bolt and Brass Thread block uses dissimilar metals to prevent galling and ensure trouble-free operation.

Nitrile rubber gaskets ensure water-tight design.

Meets ABS (American Bureau of Shipping) requirements for design and materials.

This industry standard steel enclosure features a proven strongback style design and is operated by a single T-Bolt. Its easy operation facilitates convenient use while maintaining a near flush profile.

Specifications

Dimensions in inches (mm)

Model Number	Part Number	Description	Clear Opening In. (mm)	Weight Total Lbs (Kgs.)	Cutout Dimension in. (mm)
UMC-430-18	01210-101A	Flush 18″ T-Bolt Hatch	18″ (457)	81 (37)	20.75″ (527)
UMC-430-18-GAL	01210-101B	Flush 18″ T-Bolt Hatch (Galvanized)	18″ (457)	81 (37)	20.75″ (527)
UMC-430-18-SS	01210-101S	Flush 18″ T-Bolt Hatch (Stainless Steel)	18″ (457)	81 (37)	20.75″ (527)
UMC-430-24	01220-101A	Flush 24″ T-Bolt Hatch	24″ (508)	120 (54)	26.75″ (679)
UMC-430-24-GAL	01220-101B	Flush 24″ T-Bolt Hatch (Galvanized)	24″ (508)	120 (54)	26.75″ (679)
UMC-430-24-SS	01220-101S	Flush 24″ T-Bolt Hatch (Stainless Steel)	24″ (508)	120 (54)	26.75″ (679)

Application

Flush T-Bolt hatches are typically found along the gunnels 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.