Watertight and Weathertight Doors

Hongruntong Marine designs and manufactures high-quality Watertight and Weathertight Doors for marine vessels, offshore platforms, and coastal infrastructure. These doors are critical for maintaining the integrity of ship compartments and offshore structures by preventing the ingress of water and withstanding extreme environmental conditions. Constructed from marine-grade steel, aluminum, or stainless steel, our doors meet international classification standards such as SOLAS, IMO, and IACS.

Features & Benefits

• Watertight and Weathertight Sealing: Provides complete protection against water penetration during rough sea states or adverse weather.

• Heavy-Duty Construction: Built with high-tensile materials and precision welding for strength and durability.

• Various Operation Modes: Available in manual, pneumatic, and hydraulic operation types.

• Custom Configurations: Offered in hinged, sliding, bolted, single-leaf, or double-leaf options.

• Certified and Approved: Compliant with ABS, BV, DNV, LR, and other major classification societies.

Applications

• Bulkhead access in cargo ships, oil tankers, and naval vessels

• Offshore platforms, FPSOs, and jack-up rigs

• Engine rooms, accommodation spaces, watertight compartments

• Access points on weathertight decks or exposed superstructures

• Coastal defense and flood protection systems

Technical Data

• Material: Marine-grade steel, aluminum, stainless steel (AISI 316L)

• Pressure Rating: Up to 0.5 bar for watertight doors

• Fire Rating: Options available with A-60 or B-15 fire protection

• Finish: Epoxy primer or customized marine coating systems

• Size Range: Tailored to project or vessel-specific dimensions

Why Choose Hongruntong Marine?

With over three decades of marine equipment expertise, Hongruntong Marine delivers door systems that combine safety, strength, and efficiency.

• In-house fabrication with strict quality control

• Custom design service to meet vessel or offshore specifications

• Fast production cycle and flexible order quantities

• Proven supply history to shipyards, offshore operators, and naval authorities

• Competitive pricing backed by full documentation and global logistics

Key Advantages

• Delivered worldwide with class certification

• Long service life in saltwater environments

• Compatible with SOLAS and IMO safety compliance

• Seamless integration into new builds or retrofit projects

Specifications

Detailed Photos