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Bohamet
MARINE DOORS AND HATCHES

MARINE DOORS AND HATCHES

Product catalog summary

Overview

This technical document details various types of ship hatches and doors designed for watertight and weathertight sealing, including specifications for materials, profiles, dimensions, insulation, and opening mechanisms. It covers multiple product types identified by codes (e.g., BOH.0010, BOH.0345) and their respective features.

Main Sections

1. Product Types and Classification

Weathertight ship hatches with central locking wheel (Types BOH.0010, BOH.0011-0.4)
Weathertight ship hatches with dogs (Type BOH.0020)
Weathertight ship hatches with wing nut (lifting nut) (Types BOH.0030, BOH.0040)
Various watertight and spraytight ship doors with pressure ratings up to 1.5 bar and fire resistance classes A0, A30, A60 (Types BOH.0102, BOH.0131, BOH.0331, BOH.0340, BOH.0345, etc.)
Accessories related to coamings and door fittings

2. Coaming Specifications

Coamings are structural frames around hatches and doors, available in different materials and profiles:

Materials: Steel (ST), Stainless Steel (SS), Aluminum (AL), Zinc-coated (ZN)
Profiles: Flat bar (dimensions vary, e.g., 70x8 mm, 100-600x10 mm), Angled bar (e.g., 75x75x8 mm, 75x50x8 mm), T-bar (e.g., 80x80x8 mm)
Coaming radius options: R0, R30, R50, R66, R80, R90, R100, R110, R120, R145, R150 depending on profile and application
Dimension adjustments for coaming height (H1) and width (B1) relative to door/hatch dimensions (H, B), with specific increments or decrements depending on profile type

3. Door Leaf and Opening Mechanism

Door leaf materials: Steel, Stainless Steel, Aluminum, Zinc-coated
Opening mechanism materials: Zinc-coated or Stainless Steel
Types of opening mechanisms include hinge types, counterweight, torsion spring, and gas spring, with specific type codes (e.g., 0010, 0011, 0012, 0013 and variants with pressure rating suffixes)
Number of hinges typically 2 or 3 pieces depending on door size and type
Opening direction compliant with ISO 6049 standard: Left Opening (LO) or Right Opening (RO)

4. Surface Treatment and Insulation

Surface treatments include standard painting and custom RAL color options
Insulation options: None or 30mm/60mm thick mineral wool insulation

5. Special Purpose Features

Gas tight sealing for special applications
Bolted frames with specified dimensions (e.g., 75x50x8 mm, 80x80x8 mm)
Windows or scuttles optionally included, with or without covers

Key Parameters and Limitations

Pressure ratings for watertight doors/hatches up to 1.5 bar
Fire resistance classes A0, A30, A60 available for certain door types
Coaming radius and profile must be selected according to structural and sealing requirements
Material selection impacts corrosion resistance and weight
Insulation thickness affects thermal and acoustic performance

Recommendations and Best Practices

Select coaming profile and radius based on installation environment and sealing needs
Choose door leaf and coaming materials compatible with marine environment and corrosion resistance requirements
Use appropriate opening mechanism type for operational convenience and safety
Apply surface treatment to enhance durability and meet aesthetic requirements
Consider insulation and gas tight features for enhanced environmental control and safety
Follow ISO 6049 for door opening direction to ensure standard compliance

Summary of Tables and Dimensions

The document includes multiple tables specifying coaming dimensions (height and width adjustments), radius values, material codes, and door/hatch types. These tables provide detailed dimensional data for correct fabrication and installation, ensuring watertight and weathertight integrity.

Overall, the document serves as a comprehensive technical reference for selecting, specifying, and installing ship hatches and doors with various sealing, pressure, and fire resistance requirements.

Catalog excerpts

Weathertight and watertight ship doors and hatches with dedicated accessories.

Open the catalog to page 1

BOHAMET specializes in marine production. We are the world largest manufacturer of ship windows and doors having over 27 years of experience in fabrication and development of new designs. We are able to meet almost any customer requirement, including custom designs and solutions that meet the individual requirements of each design. From the smallest units, by barges, inland and seagoing yachts thru cruise ships, military vessels, residential and mining platforms to the specialized support vessels. Versatile machine park, large production resources, a team of excellent professionals and designers enable...

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WEATHERTIGHT SHIP HATCH WITH CENTRAL LOCKING WHEEL TYPE BOH.0010 04 WATERTIGHT SHIP HATCH UP TO 0,4 BAR WITH CENTRAL LOCKING WHEEL TYPE BOH.0011-0.4 06 WEATHERTIGHT SHIP HATCH WITH DOGS TYPE BOH.0020 08 WEATHERTIGHT SHIP HATCH WITH WING NUT (LIFTING NUT) TYPE BOH.0030 (0040) 10 WEATHERTIGHT SHIP DOOR TYPE BOH.0102 12 SPRAYTIGHT SHIP DOOR TYPE BOH.0102 14 WEATHERTIGHT SHIP DOOR TYPE BOH.0131 16 WEATHERTIGHT SHIP DOOR TYPE BOH.0135 18 WEATHERTIGHT SHIP DOOR TYPE BOH.0331 20 WEATHERTIGHT SHIP DOOR TYPE BOH.0335 22 WEATHERTIGHT SHIP DOOR A0 / A30 / A60 CLASS TYPE BOH.0335...

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WEATHERTIGHT SHIP HATCH WITH CENTRAL LOCKING WHEEL TYPE BOH.0010 PURPOSE The hatch is designed for mounting in deck of ship superstructures. CHARACTERISTICS The hatch can be made of steel, aluminum or stainless steel. Pins of closures are settled in steel sleeves. Hinge pins are made of stainless steel. Closures and hinges have holes for Ml0x1 grease nipples acc.to DIN 3404 or DIN 71412 MIOxl. The hatch is sealed up with a 40x20 rubber packing cord. The hatch is locked in the open position. STANDARD PAINTING Steel hatch blade: EPINOX 77 (2x130pm, gray). Steel hatch frame: HEMPEL SHOPPRIMER ZS...

Open the catalog to page 4

1 coaming material steel (ST) stainless steel (SS) aluminum (AL) zinced (ZN) 4 door leaf material steel (ST) stainless steel (SS) aluminum (AL) zinced (ZN) 5 opening mechanism zinced stainless steel* - - material 6 type of opening hinge type counterweight type torsion spring type gas spring type 7 surface treatment standard painting custom RAL color* mineral wool* 9 special purpose gas tight - nominal size - 630x630 nominal size - 830x830 nominal size - 630x830 nominal size - 830x630 - hinge --- - stiffeners O - securing device metal...

Open the catalog to page 5

WATERTIGHT SHIP HATCH UP TO 0,4 BAR WITH CENTRAL LOCKING WHEEL TYPE BOH.OO11-0.4 PURPOSE The hatch is designed for mounting in deck of ship superstructures. CHARACTERISTICS The hatch can be made of steel, aluminum or stainless steel. Pins of closures are settled in steel sleeves. Hinge pins are made of stainless steel. Closures and hinges have holes for Ml0x1 grease nipples acc.to DIN 3404 or DIN 71412 MIOxl. The hatch is sealed up with a 40x20 rubber packing cord. The hatch is locked in the open position. STANDARD PAINTING Steel hatch blade: EPINOX 77 (2x130pm, gray). Steel hatch frame: HEMPEL...

Open the catalog to page 6

1 coaming material steel (ST) stainless steel (SS) aluminum (AL) zinced (ZN) 2 coaming profile flat bar 100-600x10 angled bar 75x75x8 - 4 door leaf material steel (ST) stainless steel (SS) aluminum (AL) zinced (ZN) 5 opening mechanism zinced stainless steel* 6 type of opening hinge type counterweight type torsion spring type gas spring type 7 surface treatment standard painting custom RAL color* - - mineral wool* 9 special purpose gas tight - - hinge --- - stiffeners O - securing device metal to metal contact When placing...

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WEATHERTIGHT SHIP HATCH HATCH WITH DOGS TYPE BOH.0020 PURPOSE The hatch is designed for mounting in deck of ship superstructures. CHARACTERISTICS The hatch can be made of steel, aluminum or stainless steel. Pins of closures are settled in steel sleeves. Hinge pins are made of stainless steel. Closures and hinges have holes for Ml0x1 grease nipples acc.to DIN 3404 or DIN 71412 MIOxl. The hatch is sealed up with a 40x20 rubber packing cord. The hatch is locked in the open position. STANDARD PAINTING Steel hatch blade: EPINOX 77 (2x130pm, gray). Steel hatch frame: HEMPEL SHOPPRIMER ZS 15809 (15-^20pm,...

Open the catalog to page 8

1 coaming material steel (ST) stainless steel (SS) aluminum (AL) zinced (ZN) 2 coaming profile flat bar 100-600x10 angled bar 75x75x8 - 4 door leaf material steel (ST) stainless steel (SS) aluminum (AL) zinced (ZN) 5 opening mechanism zinced stainless steel* 6 type of opening hinge type counterweight type torsion spring type gas spring type 7 surface treatment standard painting custom RAL color* mineral wool* 9 special purpose gas tight - nominal size - 630x630 nominal size - 830x830 nominal size - 630x830 nominal size - 830x630 - hinge --- -...

Open the catalog to page 9

WEATHERTIGHT SHIP HATCH HATCH WITH WING NUT (LIFTING NUT) TYPE BOH.0030 (0040) PURPOSE The hatch is designed for mounting in deck of ship superstructures. CHARACTERISTICS The hatch can be made of steel, aluminum or stainless steel. Pins of closures are settled in steel sleeves. Hinge pins are made of stainless steel. Closures and hinges have holes for Ml0x1 grease nipples acc.to DIN 3404 or DIN 71412 MIOxl. The hatch is sealed up with a 40x20 rubber packing cord. The hatch is locked in the open position. STANDARD PAINTING Steel hatch blade: EPINOX 77 (2x130pm, gray). Steel hatch frame: HEMPEL...

Open the catalog to page 10

1 coaming material steel (ST) stainless steel (SS) aluminum (AL) zinced (ZN) 2 coaming profile flat bar 100-600x10 angled bar 75x75x8 4 door leaf material steel (ST) stainless steel (SS) aluminum (AL) zinced (ZN) 5 opening mechanism material zinced stainless steel* 6 type of opening hinge type counterweight type torsion spring type gas spring type 7 surface treatment standard painting custom RAL color* 8 insulation 9 special purpose none 30mm thick mineral wool* gas tight - nominal size - 630x630 nominal size - 830x830 nominal size - 630x830 nominal size...

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