Freeman Marine Equipment, Inc.
888-FREEMAN  |  888-373-3626

Single Leaf, Commercial Duty, Individual Dog

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Freeman Marine Hatches, Model 3140Model 3140 FREEMAN MARINE custom fabricated Commercial Duty – Aluminum Panel Hatches offer a wide range of options to meet virtually any specification. A rugged knife-edge seal and robust gasket provide a commercial watertight seal** when properly adjusted and dogged closed.

Rugged construction featuring thick panel skins (.160” up to .250”), internal reinforcements, welded exterior skin and screw fastened interior skin* assure the reliable service expected in a technical and machinery space individually dogged hatch.

Standard commercial and machinery space hatches often feature a sanded bare metal finish that creates a durable, uniform texture. When quality painted to your color specifications by Freeman, the 3440-series hatch makes a handsome, rugged portal that will stand up to continuous use by crew. Panels and coamings can be specified with custom alignment for teak overlaying by installation yard or builder.

For military-security applications, R/F – EMI suppression, ballistics resistance and low radar reflective signature performance can be specified.

Solidly constructed, fully insulated and moderately priced, FREEMAN Commercial Aluminum Panel Hatches are suitable for commercial, military and crew or machinery space yacht applications.

* To reduce weight, inside skin may be optionally deleted at time of order

** Degree of watertightness depends on number of dogs, size, panel specifications, proper installation and sealing adjustment. Watertight hatches are individually defined, specified and fabricated for each application.

Catalog Pages for this Product (.pdf)
Click here to see Hatches 3140 Features & Photos Catalog Pages 524K .pdf Click here to receive Product Layout Information for Model 3140 Hatch Catalog Section Click here to receive the complete Model 3140 Hatch Catalog Section Hatches 3140:  Request Drawings


  • Custom Shaped and Sized to Client Specification

  • Camber and Sheer to match decks (available)

  • .160" ~ .250" Thick Aluminum Panel Skins

  • Welded Frame and Exterior Skin Construction

  • Interior Skin Attached with Screws – May Be Deleted At Ordering*

  • Knife-edge Sealing Method

  • Wide Gasket for Aggressive, Tight Sealing

  • Flush with Deck or Raised Coamings

  • Bolt-in and Weld-in Coamings

  • Cast, Precision Machined Handles, wide selection of styles and finishes

  • Surface or Concealed Hinges

  • Gas Spring Assist for Easy Lift and Closure

  • Custom Drain Locations

  • Teak Overlay Prep (available)

  • Internal Panel Stiffeners

  • Sanded Finish (standard); Bristol Finish Paint (available)

  • External Bi-square Opening (available)

  • Stainless Steel Shafts and Fasteners

  • Cast Dogs with Roller Bearing Cam Followers

  • Glass Filled Striker Wedges

  • Solid Insulation

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Fishbox with Special Flange and Gas Spring Mount, D-Ring Handle Dogging
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