Programmable Tank Cleaning Machine · Tank Cleaning Equipment
Alfa Laval Gunclean Toftejorg tank cleaning machine. Alfa Laval (formerly the Toftejorg Group, acquired in 2003) specialises in fully programmable shipboard tank cleaning machines using turbine-driven rotary technology. Gunclean Toftejorg units are designed mainly as fixed installations in crude oil, product and chemical tankers, and for offshore applications.
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| Strainer cleaning | routine, before each tank cleaning operation |
|---|---|
| Nozzle inspection/wear check | every 6-12 months or per the maker's running-hour interval |
| Gearbox/turbine internal service | typically every 1-2 years or per the maker's running-hour interval - confirm against the maker's maintenance manual for this model |
| Shaft seal replacement | on condition/leakage, typically checked at annual service |
| Nozzle bore diameter | monitor for erosion-driven enlargement; replace once flow or pressure deviates materially from the maker's design curve for the stated 12 m coverage diameter - confirm against the maker's nozzle wear table |
|---|---|
| Indexing cycle time | compare against the maker's baseline cycle time for the program; significant drift indicates gearbox/turbine wear - confirm against commissioning data |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Not usually a standalone class survey item, but forms part of the cargo tank cleaning/inerting arrangement reviewed under tanker-specific notations; class may check that fixed tank cleaning machines are correctly rated for the cargo and gas-freeing duty and that associated piping and valves are in good order.
Estimated lifetime: Tank cleaning machines are typically wear-item-driven rather than hard hour-limited; with routine nozzle and seal replacement the gearbox/turbine housing commonly remains in service for many years of intermittent tank-washing duty - confirm against the maker's stated service life for this model.
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