Air Compressor · Air Compressors
Burckhardt Compression 2K160 — Marine cargo compressors for LNG vessels, BOG handling.
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
Other models of the same equipment type, Burckhardt Compression first.
| Valve inspection/overhaul | per maker manual, commonly every 4000-8000 running hours depending on gas composition and duty - confirm against Burckhardt's schedule for this model |
|---|---|
| Crankcase oil change/analysis | per maker manual, commonly every 2000-4000 hours or per oil condition |
| Rod packing inspection/renewal | condition-based on leak-off rate; checked at each running period and renewed per maker guidance |
| Major overhaul (piston, liner, bearings) | per the maker's published time-between-overhaul - confirm against current Burckhardt documentation |
| Vibration/trip system function test | per class and maker schedule, typically at each survey and after any trip event |
| Labyrinth piston/cylinder radial clearance | maker-specified and comparatively tight for a labyrinth design; increases reduce volumetric efficiency - confirm exact limits against Burckhardt's own tolerance table rather than a generic reciprocating-compressor figure |
|---|---|
| Rod packing leak-off rate | condition-based - a rising trend against the maker's baseline indicates packing wear, no single universal number applies |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Cargo compressors on LNG carriers are essential cargo machinery under class and IGC Code survey scope. Class will expect evidence of gas detection and ESD system testing, safety valve/trip function tests, and overhaul records for valves and rod packing. Given the oil-free labyrinth design, surveyors may also check that no lubricant contamination has been introduced into the gas path during maintenance.
Estimated lifetime: Labyrinth-type oil-free compressors of this class are built for long service life in continuous BOG duty, with major components commonly reaching tens of thousands of hours between major overhauls when gas quality and operating limits are respected; valves and rod packing are the shorter-life wear items requiring more frequent attention.
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