X-BOB Bunker Overfill Protection

HSH delivers a Bunker Overfill Protection for Marine Gas Fuel the so called X-BOB. The bunker overfill security sensor is a technical device to prevent outflow of fuel during bunkering and it is designed following the existing regulations.

X-BOB sensors and associated electronics are already being used for some time in international shipping as 95% and 98% alarms and are approved by classification societies such as Lloyds, ABS, DNV, Veritas etc.

The X-BOB sensors have a Lloyds General Approval (doc. No. MDA / 95.E.591)


Operating temperature range: -50 .. + 100 °C
Pressure range: 0 … 16 bars (abs)
Safety Intrinsically safe EEx ia IIC T5
Sensor material    AISI 316 / quartz

Control station
Operating temperature: -5 … + 70 °C
Environment: 5 … 95% RH, non-condensing
Safety: Intrinsically safe [EEx ia IIC]
Power supply: 24 VDC / 115 ”’ 230 VAC
Capacity (per 19′ rack): 32 double alarms or 64 single alarms

Lamp panel
Operating temperature: -5 … + 70 °C
Environment: 5 … 95% RH, non-condensing
Power supply: From control station
Capacity: 96 double alarms or 192 single alarms
Communication: RS-232C or RS-485 (selectable)

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