"> Krohne BM26A 20m non-Ex Marine
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Krohne

BM26A 20m non-Ex Marine

Krohne BM26A 20m non-Ex Marine is identified in the source list as a float level switch. It is installed on or in a cargo tank and connected to the cargo-monitoring or alarm system. Its purpose is to detect a defined liquid level or provide a discrete tank-level alarm or control signal. The source record provides no additional model-specific operating figure beyond the listed designation and category. The sensing element, float mechanism, switch, process connection and hazardous-area interface depend on the exact model and cargo service. The exact model designation distinguishes process connection, material, switch arrangement and approval from neighboring level devices; refer to the manufacturer documentation for the exact figure.

Components & Design

Component data being added…

Technical Data

measurement range m 20
accuracy mm 3.0
atex zone non-Ex
output 4-20mA HART

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Common failures & inspection points

●Float sticking caused by deposits, corrosion or mechanical obstruction, resulting in a level indication that fails to change with tank condition
●Switch or reed-element failure caused by wear, vibration or electrical faults, resulting in missing or intermittent level alarms
●Process-seal leakage caused by gasket, gland or housing deterioration, resulting in cargo leakage or gas detection around the device
●Cable or junction-box fault caused by moisture, loose terminals or damaged glands, resulting in open-circuit, earth-fault or unstable signals
●Incorrect installation or set position caused by maintenance error, resulting in alarm operation at the wrong tank level

Service & Maintenance

Inspect accessible housing, process connection, cable glands and junction boxes for leakage, corrosion and damage. Function-test the level switch using an approved simulation or tank-level method and confirm the correct alarm or control channel responds. Clean deposits from moving elements only using procedures compatible with the cargo and detector materials. Verify hazardous-area integrity and restore covers and glands correctly after electrical work. Compare installation position with approved tank drawings after replacement. Refer to the manufacturer documentation for the exact figure for test method, material compatibility and switching limits.

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Replacement Parts

Keep model-correct float or switch elements where serviceable, seals, gaskets, cable glands, junction-box parts and approved interface modules. Replacement devices must preserve hazardous-area approval and process-material compatibility. Confirm switching logic before installation.
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Equipment Model #102989 · ✓ still in production