"> Sauer Compressors (Germany) Haug SOGI Series (Oil-Free)
OceanSphere
Engines
⚓ Working on this equipment?
Ask the AI troubleshooter, log your hours on board and turn them into invoice-ready service reports — for this exact model.
Start free — 14 days →
No credit card required
🔧 2 verified suppliers & service companies for Sauer Compressors (Germany) in the Maritime Network Find suppliers →
Is Sauer Compressors (Germany) your company? Claim this page
Sauer Compressors (Germany)

Haug SOGI Series (Oil-Free)

Die Haug SOGI-Serie (Sauer Oil-free Gas and Instrument) ist ein ölfreier Kolbenkompressor für Control Air und Instrument Air auf Schiffen, wo ölfreie Luft für pneumatische Steuerungen und Messinstrumente benötigt wird. Haug (Schweiz) wurde 2002 von Sauer übernommen. Die SOGI-Serie deckt den Bedarf an ISO 8573 Class 0 Luft ab. Auf modernen Schiffen oft als separater Instrument-Air-Kompressor neben dem Startluft-System installiert.

10-80 m³/h FAD
Capacity
Compressed Air (Control Air / Instrument Air)
Medium

Components & Design

Component data being added…

Technical Data

type Oil-Free Reciprocating Air Compressor
variant count approx 4
period start year 2005
drive type Electric
construction PTFE ring seals, no lubrication in compression chamber

🤖 Ask about this model

One free question — answered like a marine engineer. No account needed.

Common failures & inspection points

●PTFE piston ring wear — replacement interval shorter than oil-lubricated (2,000-4,000 hrs)
●Higher operating temperature causing cylinder head gasket degradation
●Aftercooler condensate drain valve blockage

Service & Maintenance

PTFE ring replacement every 2,000-4,000 hrs. Higher maintenance frequency than oil-lubricated compressors. Cooling water quality critical. Annual valve overhaul.

Suppliers & Spare Parts

Direct links to manufacturer, datasheet, spare-parts portal and dealers — request access below.

📄 Request sourcing links & documents
🛠 Manage this equipment in your fleet

Cases, daily reports, timesheets and AI troubleshooting in the OceanSphere Marine app — free for 14 days.

Start free trial →
🔎 Suppliers & service for this equipment

Find manufacturers, repair shops and spare-part dealers in the Maritime Network — our global company directory.

Maritime Network →

Replacement Parts

Sauer/Haug network. PTFE ring kits mandatory onboard — at least 2 sets. Lead time: 1-3 weeks. Haug brand (Switzerland, acquired by Sauer 2002).
Working on this unit?
Log hours, photos and findings into an invoice-ready service report — OceanSphere Marine, 14-day free trial.
Need a service partner for Sauer Compressors (Germany)?
114,000+ shipyards, suppliers and service companies in the Maritime Network directory.
Equipment Model #37686 · ✓ still in production