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EPC70 PureNOx LS50, EPC70 PureNOx LS100, EPC70 PureBilge, EPC70 PureBilge Compact, EPC70 Flex

Radar Level Gauge · Cargo Level & Temperature Gauging

Class-certified type (DNV register) · technical data sheet not yet verified​​⁠‍​‍​‍‌‍‌​⁠‌‍‍‌​​⁠

EPC70 PureNOx LS50, EPC70 PureNOx LS100, EPC70 PureBilge, EPC70 PureBilge Compact, EPC70 Flex by Alfa Laval Technologies AB. DNV TA certificate TAA00003BY.

Inspection

Inspector Detail

Common issues

  • Oil content meter (OCM) sensor fouling or drift causing false 15 ppm alarm trips or, worse, missed exceedances
  • Sample line or strainer blockage from sludge/emulsified oil affecting sensor readings
  • Automatic overboard discharge valve failing to close fully on a high-oil signal
  • Optical/measuring cell window contamination requiring cleaning
  • Control unit alarm or data logging fault, which is a MARPOL record-keeping problem, not only a nuisance alarm
  • Water dosing or humidification control instability on the NOx-reduction side affecting reduction performance

Inspection checklist

  • Verify oil content meter calibration against the maker's reference/check fluid
  • Function-test the automatic overboard discharge valve on a simulated high-oil alarm and confirm it shuts
  • Confirm alarm and discharge recording (OCM data logger) is functioning and storing records correctly
  • Inspect sample lines and strainers for blockage
  • Clean optical cell/window per maker procedure and re-check zero reading
  • Verify the DNV type-approval certificate is valid and the installed configuration matches the approved arrangement
  • Check control unit firmware/software version against any outstanding service bulletins

Service intervals

Oil content meter calibrationtypically annually, per the equipment's approved test procedure - confirm interval on the type-approval certificate
Sample cell/optical window cleaningas fouling requires, commonly every few weeks in continuous service
Discharge valve function testat each periodical survey

Typical intervals for this design class, not the manufacturer’s figures for your model. The manufacturer’s manual is binding.

Critical spares

  • Oil content meter sensor/cell (sealed unit, no generic substitute)
  • Sample pump
  • Discharge valve solenoid/actuator
  • Sample line strainer elements
  • Control unit power supply/fuses

Safety

  • Bilge water can carry hydrocarbon vapour - treat sample point work as a potential flammable atmosphere
  • Incorrect calibration risks an illegal discharge and a MARPOL Annex I non-compliance
  • Live electrical work at the control panel during function testing

Class survey

Note on this record: the catalogued type 'Radar Level Gauge' / category 'Cargo Level & Temperature Gauging' does not match this equipment family - the listed products (PureNOx, PureBilge, PureBilge Compact, Flex) are Alfa Laval NOx-reduction and bilge water treatment systems, not level gauges; the content above addresses the actual equipment. Bilge water treatment/oil content monitoring equipment is normally subject to an annual function test and calibration record to satisfy MARPOL Annex I discharge requirements; NOx-reduction equipment is tied to the vessel's EIAPP certificate and NOx Technical File. Only limited technical detail is available for this specific EPC70 catalogue entry (DNV TA certificate TAA00003BY only) - confirm model-specific figures against Alfa Laval's own documentation before use.

Classification

DNV type approval

Listed in the DNV Approval Finder at the time we recorded it. The certificate is issued by DNV, not by us; check its current status at DNV.

CertificateTAA00003BY
Open the certificate at DNV
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