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Sperre Air Power AS
S55A, S55W, S55A-VFD, S55W-VFD, S75A, S75W, S75A-VFD, S75W-VFD, S90A, S90W, S90A-VFD, S90W-VFD
The Sperre Air Power S-series (S55‑A/W, S75‑A/W, S90‑A/W and VFD variants) are marine‑rated reciprocating air compressors delivering up to 30 bar for main ship air systems.
Marine-rated, per Hersteller-Datenblatt
Capacity
Compressed Air / Refrigerant
Medium
Components & Design
Component data being added…
Technical Data
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Common failures & inspection points
●Valve plate fatigue fracture after 4,000-6,000 operating hours
●Piston ring wear with reduced delivery rate after 8,000-12,000 hours
●Intercooler leakage due to vibration fatigue
●Gearbox oil contamination by blow-by
Service & Maintenance
Overhaul valves every 4,000-6,000 hours. Piston rings every 8,000-12,000 hours. General overhaul every 16,000-20,000 hours. Oil change every 500 hours.
Suppliers & Spare Parts
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Maritime Network →Replacement Parts
Sperre Air Power AS: Valve sets and piston rings to be kept on board. Lead time: 2–6 weeks. Oil filters and seal kits as standard ship's stores.
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Equipment Model #2620
· ✓ still in production