Displaying 10 out of 14 suppliers
Marine Equipment
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Overfill Alarm System Suppliers
During cargo loading and bunkering, level gauging and loading computers already track ullage and flow, but the independent high-level and overfill alarms are the safeguards that prevent a mistake turning into a spill. Class rules, the IBC and IGC Codes, MARPOL fuel tank protection requirements and tanker vetting programs all expect clear separation between normal gauging, high-level alarms and the final overfill cut-off at around 95% and 98% of tank capacity. That means ships need equipment that is simple to test before each operation, robust in service and properly documented. When owners and superintendents choose overfill alarm system suppliers, they are effectively deciding how reliable that last line of defense will be over many years of loading and bunkering.
Practical Choices for High-Level and Overfill Alarm Arrangements Onboard
Most systems follow the same basic architecture: independent tank-top sensors, approved safety barriers and a dedicated alarm cabinet in the cargo control room. Within that structure, overfill alarm system manufacturers offer several technical options, and the details strongly influence reliability in service:
- Sensor principle and independence: fixed-point float switches, acoustic / ultrasonic limit switches or radar-based alarm channels are set up as a separate chain from the cargo gauge, with clearly defined high and overfill levels.
- Alarm panels and local indication: multi-channel cabinets give each tank its own lamps and audible alarm, with relay outputs for pump stop or ESD where required, and with power supply and cabling arranged independently from the gauging system.
- Proof testing and diagnostics: built-in test functions, line monitoring and channel status indications make it easier for crews to verify each channel before loading without complex work on deck.
- Hazardous area approvals: sensors and barriers carry approved for hazardous areas and class type approvals appropriate to the cargo and zone classification, supporting safe installation in flammable atmospheres.
System integration: clear interfaces to cargo control, loading computers and emergency shutdown systems allow alarms to be logged and acted on without losing their independent status.
By focusing on these points, buyers can select alarm arrangements that are practical to test and maintain, while still meeting the independence and reliability expected by inspectors and charterers.
Selecting Overfill Alarm System Suppliers for Cargo and Bunkering Service
Experienced overfill alarm system distributors help buyers match sensor type (float, acoustic or radar-based) and alarm cabinets to existing tank arrangements and control systems, confirm hazardous-area and class approvals, and supply systems together with the sensors, safety barriers and alarm modules most likely to be needed as spares. They pay close attention to commissioning, proof-test procedures and long-term parts availability, so that routine pre-loading tests and vetting inspections can be passed without delays.
Across the market you will find global OEMs offering integrated gauging and alarm solutions, regional makers of 95/98% overfill systems, and companies focused on upgrades and replacements. The practical question is which partners can keep independent high and overfill alarms reliable through the life of the ship. Records Marine gives buyers a single place to discover and compare these companies when planning new overfill alarm installations or replacement projects.

Year Founded: 2004
Verified
CATEGORIES:
Overfill Alarm Systems
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Engines (4-Stroke)
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AIS (Automatic Identification Systems)
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(150)
CLASS APPROVED:
ClassNK
BV

Year Founded: 2018
RM verified
CATEGORIES:
Overfill Alarm Systems
15 PPM Monitoring Equipment
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(151)

Year Founded: 2018
CATEGORIES:
Overfill Alarm Systems
15 PPM Monitoring Equipment
AIS (Automatic Identification Systems)
AMS (Alarm Monitoring Systems)
ARPA (Automatic Radar Plotting Aids)
AUS (Automatic Unloading Systems)
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(67)
CLASS APPROVED:
ABS
ClassNK
CCS
BV
WAREHOUSES:
China
Year Founded: 2023
CATEGORIES:
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Air Starters
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Inert Gas Systems
(14)
WAREHOUSES:
Turkey

Year Founded: 2009
CATEGORIES:
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AIS (Automatic Identification Systems)
AMS (Alarm Monitoring Systems)
ARPA (Automatic Radar Plotting Aids)
AUS (Automatic Unloading Systems)
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(165)
BRAND:
ALPTEC
Preferred Utilities
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(23)
WAREHOUSES:
Bangladesh

Year Founded: 2024
CATEGORIES:
Overfill Alarm Systems
15 PPM Monitoring Equipment
AIS (Automatic Identification Systems)
AMS (Alarm Monitoring Systems)
ARPA (Automatic Radar Plotting Aids)
AUS (Automatic Unloading Systems)
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(159)
WAREHOUSES:
Bangladesh

Year Founded: 2010
CATEGORIES:
Overfill Alarm Systems
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ARPA (Automatic Radar Plotting Aids)
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(100)
WAREHOUSES:
India

Year Founded: 2010
CATEGORIES:
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(43)
BRAND:
OilSafeSystem
DAEHWA
ZLM Shanghai Zhaolie Metal Products
WAREHOUSES:
Bangladesh

Year Founded: 2022
CATEGORIES:
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(157)
CLASS APPROVED:
ABS
RINA
RMRS
ClassNK
CCS
(15)
WAREHOUSES:
China
Year Founded: 2025
CATEGORIES:
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15 PPM Monitoring Equipment
Accommodation Ladder Davits
Accommodation Ladders & Gangways
Air Compressors
Air Driven Motors
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Air Starters
AIS (Automatic Identification Systems)
Alpha Lubrication Systems
AMS (Alarm Monitoring Systems)
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Anti-Heeling Systems
ARPA (Automatic Radar Plotting Aids)
(157)
CLASS APPROVED:
CCS