Manhole Covers - Deck Machinery and Hull Equipment
Marine manhole covers provide personnel or inspection access to tanks, void spaces, cofferdams and hull compartments. Bolted and gasketed designs may provide watertight, weathertight or oil-tight closure when correctly selected and installed.
ProShipWorks provides end-to-end support to source and supply Manhole Covers for marine vessels, ship operators, industrial facilities, maintenance teams and procurement departments.
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Product Information
| Product Name | Manhole Covers |
|---|---|
| Product Category | Deck Machinery and Hull Equipment |
| Product Reference | 435 |
| Brands / Manufacturers | Winel, Freeman Marine Equipment, Libra |
| Unit of Measure | Piece |
Key Features
| Key Feature |
|---|
| 1. Bolted removable cover for inspection and maintenance access |
| 2. Steel, stainless steel or aluminium construction depending on service |
| 3. Gasketed sealing surface for the specified tightness rating |
| 4. Flush, raised, circular, oval or rectangular configurations |
| 5. Corrosion-resistant coating or material suitable for marine exposure |
Applications of Manhole Covers
| Application |
|---|
| 1. Access to ballast, fuel, lubricating-oil and freshwater tanks |
| 2. Inspection access to void spaces, cofferdams and hull compartments |
| 3. Deck and superstructure access where an approved closing arrangement is required |
Standards, Certifications & Class Approval
Review the available standards and approval information relevant to the product. Actual certification, material traceability, inspection and classification requirements depend on the product type, intended application and purchasing specification.
| Applicable Standards & Certification | ISO 5894 applies to ship manholes with bolted covers. Applicable requirements may also include the IMO Load Line Convention, SOLAS, flag-state rules and shipbuilding standards such as DIN or JIS, depending on location and design. |
|---|---|
| Class Approval | Design, material, welding, sealing and pressure testing may require acceptance by DNV, ABS, Lloyd's Register, Bureau Veritas or ClassNK. Approval is normally vessel-, location- and service-specific rather than universal. |
Installation, Maintenance & Safety Information
| Installation Notes | Install on a flat, undamaged coaming or seating surface using the specified gasket and fasteners. Tighten bolts uniformly in a cross pattern to the maker's torque requirements, then perform the required leak or pressure test. |
|---|---|
| Maintenance Tips | Inspect the cover, seating face, gasket, studs and nuts for corrosion, distortion and damage. Clean sealing surfaces, renew hardened or contaminated gaskets, protect threads and verify tightness after reassembly. |
| Safety Notes | Isolate, drain, depressurize, ventilate and gas-test the compartment before opening. Follow enclosed-space entry and permit-to-work procedures. Never open a cover while the tank or space is pressurized. |
Request a Quote for Manhole Covers
Contact ProShipWorks for marine or industrial product sourcing, quotations and delivery.
- Vessel name and IMO number
- ETA / vessel schedule
- Berth or vessel location
- Required quantity
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Other Deck Machinery and Hull Equipment Products
Explore our range of marine and industrial Deck Machinery and Hull Equipment products available for sourcing and supply through ProShipWorks.
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