Air Compressor · Air Compressors
Air compressors like the Tanabe H-74 are commonly found on board ships where they provide essential compressed air for various operations, including deck machinery, pneumatic tools, and air start systems. This particular unit is a vertical two-stage water-cooled air compressor, designed to operate at a pressure of 30 bar with a capacity of 180 m³/hr. It runs at 1800 rpm and requires a power input of 60 PS. Originally manufactured in 2000, this compressor is now available as a reconditioned unit and is currently in stock in Greece. For further details or to place an order, interested parties can contact Cventus Marine through their provided contact information.
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Source: cventus.com · not checked against a manufacturer datasheet
Photos, drawings and page previews from this model’s datasheet or catalog.
“Qinhuangdao Sino-Ocean Marine Equipment & Machinery Co., Ltd. Add.:No. 7 Wenquanhu Road, QETDZ, Qinhuangdao, Hebei Province, China Tel: +86 335 5913678 5913626 Fax: +86 335 5913908…”
| Oil change | commonly every 500-1,000 running hours or per Tanabe's schedule |
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| Safety valve lift test | annually - statutory/class requirement for starting air receivers and compressors |
| Intercooler/aftercooler cleaning | commonly every 2,000-4,000 hours, or sooner if discharge temperature rises |
| Valve plate/piston ring inspection at major overhaul | typically 8,000-12,000 hours, strongly duty-dependent |
| Cylinder liner wear | general reciprocating air compressor practice tolerates bore wear up to roughly 0.3-0.5% of bore diameter before liner renewal is considered - confirm against Tanabe's own overhaul manual for the H-74, no maker figure assumed here |
|---|---|
| Piston ring end gap | typically renewed once the gap has opened to about 3-4 times the new-condition value for this class of compressor - confirm against the maker's manual rather than treating this as an exact number |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Starting air receivers and compressors are statutory/class items. Class wants safety valve lift-test certificates, periodic internal/external receiver survey, and confirmation that starting air line non-return and isolating valves are inspected alongside the compressor at machinery survey.
Estimated lifetime: Water-cooled multi-stage marine starting-air compressors of this size typically run 40,000-60,000 hours between major overhauls under normal duty - confirm against Tanabe's maintenance manual for the H-74.
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