Model 3440

Model 3440

Model 3440

Product catalog summary
Overview: The document provides detailed specifications and features of the Freeman Marine Model 3440 hatch, designed for commercial and military applications. It highlights the hatch's robust construction, watertight sealing capabilities, and customization options.
Specifications:
  • Aluminum panel skins with thickness ranging from .160” to .250”.
  • Welded or bonded exterior skin with screw-fastened interior skin.
  • Knife-edge sealing method with a wide gasket for tight sealing.
  • Available in flush with deck or raised coamings, made from aluminum, mild steel, or stainless steel.
  • Custom shapes and sizes to match client specifications, including camber and sheer to match decks.
  • Gas spring assist for easy lift and closure.
  • Internal panel stiffeners and solid insulation for durability.
Design Features:
  • Surface or concealed hinges with options for custom drain locations and teak overlay preparation.
  • Cast dogs with roller bearing cam followers and glass-filled striker wedges for enhanced performance.
  • Standard sanded finish with optional Bristol finish paint.
  • External bi-square opening available.
Applications: Suitable for commercial, military, and crew or machinery space yacht applications. The hatch can be specified for R/F – EMI suppression, ballistics resistance, and low radar reflective signature performance for military-security applications.
Installation and Performance: The degree of watertightness depends on the number of dogs, size, panel specifications, proper installation, and sealing adjustment. Each hatch is individually defined, specified, and fabricated for its application.
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Catalog excerpts

Model 3440-1

Commercial panel hatch, quick-acting design features • Welded Frame and Welded Exterior Skin Construction Rugged construction featuring aluminum panel skins (.160” up to .250”), internal reinforcements, choice of welded or bonded exterior skin and a screw-fastened interior skin, the 3440-series hatch provides the reliable service expected in a technical and machinery space Quick-Acting hatch. • Interior Skin Attached with Screws • Knife-edge Sealing Method • Flush with Deck or Raised Coamings • Bolt-in and Weld-in Coamings • Coamings of Aluminum, Mild Steel or Stainless Steel For military-security applications, R/F – EMI suppression, ballistics resistance and low radar reflective signature performance can be specified. • Wide Gasket for Aggressive, Tight Sealing 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. • Surface or Concealed Hinges • Custom Shaped and Sized to Client Specification Solidly constructed, fully insulated and moderately priced, FREEMAN Commercial Aluminum Panel Quick-Acting hatches are suitable for commercial, military and crew or machinery space yacht applications. • Camber and Sheer to match decks (avail) • Gas Spring Assist for Easy Lift and Closure • Custom Drain Locations • Teak Overlay Prep • Internal Panel Stiffeners • Sanded Finish Paint (available) Bristol Finish • External Bi-square Opening • Cast Dogs with Roller Bearing Cam Followers • Glass Filled Striker Wedges 3440 Surface hinges and Bi-Square Raised for Teak Overlay. Aluminum Coaming. 3440 Lift Out, Teak OverlayRaised Bi-Square, Steel Coaming • Solid Insulation 3440 Gas Springs, Panel-Coaming Mounted 28336 Hunter Creek Rd., Gold Beach, Oregon 97444 USA • Stainless Steel Fasteners ** 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. Member of Advanced Marine Technologies • .160” ~.250” Thick Aluminum Panel Skins Freeman Marine Hatches, Model 3440 FREEMAN MARINE Commercial Duty, Quick-Acting fabricated hatches feature patented chain-drive, single actuation dogging, a rugged knife-edge seal and robust gasket to provide a Commercial watertight seal** when properly adjusted and dogged closed. HATCH – Single Leaf, Commercial, Aluminum Panel, Quick-Acting Model 3440

 Open the catalog to page 1
Model 3440-2

3440 Recessed Surface Hinges 3440 (2x with removable mullion), Cambered, Exterior, Open 3440 with Surface Hinges 3440 (2x with removable mullion), Cambered 3440 (2x with removable mullion), Cambered, Closed 3440 Steel Coaming, Shape 3440 Lift Out, Steel Coaming 3440 with Surface Hinges 28336 Hunter Creek Rd., Gold Beach, Oregon 97444 USA Member of Advanced Marine Technologies HATCH – Single Leaf, Commercial, Aluminum Panel, Quick-Acting Model 3440

 Open the catalog to page 2
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.