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Hatches can be made from the following materials:
• A36 mild (carbon) steel with these finishes:
• Grade 5000 series Aluminum
• 304 Stainless Steel
• 316 Stainless Steel
Hatch cover features: (any material)
• 5/16” thick (for ABS Grade) or thicker if needed
• OPTIONAL: Hatch cover can be insulated with a 2” thick layer of ceramic fiber or mineral wool, or fiberglass insulation behind a 10ga panel of sheet metal
• Ceramic fiber or mineral wool are great for insulating for heat
• Fiberglass insulation is great for insulating for heat or cold
Coaming dimensions:
• 1/2” thick = Steel, Aluminum, or Stainless Steel
• Minimum coaming height: 6”
Oval radius:
• Width of hatch divided by 2
• Example of measurements for 20” wide by 36” long hatch:
Individual Dogs:
• Dogs available in forged steel, cast aluminum, cast bronze, and forged stainless steel
• Distance from the top of the coaming to the bottom of the dog pocket: 4”
Dog Handing:
• Check out our video on how to determine dog handing
Gaskets:
• 30 +/- 5 Durometer extruded neoprene, 3/4” x 1-1/4”
Spacing for Hatch Cover Swing:
• To allow the hatch cover to open to 90 degrees, the coaming must be a minimum of 5” away from the nearest bulkhead
ABS Type Approval / Classing Agency Approval:
• All doors are built to standards generally accepted by ABS, USCG, and other classing agencies.
• Doors do NOT carry ABS “Type” approval. For further explanation, click here.
• Drawings and release letters are available for submission for classing agency review.
• It is the responsibility of the customer to verify which certification requirements (i.e. ABS, USCG, DNV, SOLAS) apply to their vessel, and to check with their local governing agency as to the requirements for certifications for all of the items quoted, based on the use for each item on the vessel, and the location of each item as installed on the vessel. Depending on the requirements of the governing agency, additional testing at the manufacturing plant may be required. A separate fee will be charged for any testing.
• Doors conform to C-class fire rating - they are made of non-combustible materials, however, they are NOT designed or certified to resist the passage of fire from one space to another.
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We are wholesale distributors and do not maintain a retail space. Any in-person consultations are by appointment only.