Cargo Tank High Level Alarms - Container Ship Specific
Independent high-level alarm systems detect excessive liquid level in ship cargo tanks and provide audible and visual warnings to prevent overfill. Standard container ships normally have no integral liquid cargo tanks; tank containers use their own approved level or pressure protection arrangements.
ProShipWorks provides end-to-end support to source and supply Cargo Tank High Level Alarms for marine vessels, ship operators, industrial facilities, maintenance teams and procurement departments.
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Product Information
| Product Name | Cargo Tank High Level Alarms |
|---|---|
| Product Category | Container Ship Specific |
| Product Reference | 517 |
| Brands / Manufacturers | Kongsberg Maritime, Emerson Rosemount, Honeywell Enraf |
| Unit of Measure | Set |
Key Features
| Key Feature |
|---|
| 1. Independent high-level or overfill detection |
| 2. Audible and visual alarm indication |
| 3. Fail-safe fault monitoring where specified |
| 4. Hazardous-area-compatible sensor options |
| 5. Remote indication at cargo control or loading stations |
Applications of Cargo Tank High Level Alarms
| Application |
|---|
| 1. High-level warning in oil or chemical tanker cargo tanks |
| 2. Overfill prevention in LNG or LPG carrier cargo tanks |
| 3. Approved monitoring of portable or tank-container liquid cargo systems |
Models & Manufacturers
| Model | Manufacturer |
|---|---|
| GL-7 | Kongsberg Maritime |
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 | Applicable requirements depend on ship and cargo type and may include SOLAS, the IBC Code, IGC Code, IMO IMDG Code for tank containers, IEC 60092-504, IEC 60533 and IEC 60079 for hazardous-area equipment. Certification must match the cargo, zone classification and vessel arrangement. |
|---|---|
| Class Approval | Type approval may be required from DNV, ABS, Lloyd's Register, Bureau Veritas or ClassNK. Approval is manufacturer-, model- and configuration-specific; it must be verified against the vessel's class rules and approved cargo-system drawings. |
Installation, Maintenance & Safety Information
| Installation Notes | Install sensors at the approved alarm level with independent wiring where required. Position alarm panels at the designated control or loading station, use certified barriers and cable glands in hazardous areas, and function-test the complete alarm loop before service. |
|---|---|
| Maintenance Tips | Function-test alarms at required intervals, verify audible and visual indicators, inspect sensors for coating or damage, check cabling and barriers, and calibrate or prove trip points according to the manufacturer and vessel procedures. |
| Safety Notes | Do not use the alarm as the sole means of cargo-level control. Stop or reduce loading when activated and follow the cargo emergency procedure. Isolate and gas-free tanks before sensor work, and use equipment certified for the applicable hazardous area. |
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