"> JP Sauer & Sohn WP 101 L
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JP Sauer & Sohn

WP 101 L

Sauer WP 101 L is a 3-stage air-cooled high-pressure power-driven air compressor from the PASSAT series by JP Sauer & Sohn (Kiel, founded 1928, part of the CompAir Group since 2018). Typical application: main starting air compressor for 30 bar ship main engine starting air on bulkers, tankers and container vessels. Delivers 80-120 m³/h FAD at 30 bar. W-arrangement with three cylinders (LP/MP/HP), inter-stage and after-coolers for low discharge temperature. Class-certified (DNV, LR, ABS, BV). Standard equipment on European newbuilds since 1985.

JP Sauer & Sohn WP 101 L
24.4 kW
Power
80-120 m³/h FAD @ 30 bar
Capacity
440 kg
Weight
1383 × 965 × 900 mm
Dimensions
400V/3ph/50Hz
Voltage
Compressed Air
Medium

Components & Design

Component data being added…

Technical Data

stages 3
cooling air
series PASSAT
cylinder arrangement W-3
rpm min 1180
rpm max 1780
power min kw 16
power max kw 24.4
max pressure bar 30
intake temp max c 45
discharge temp max c 120
oil capacity l 7.5
intercooler count 2
aftercooler True

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Common failures & inspection points

●Valve plate breakage at 4,000-8,000 h, especially at high intake air temperature or dirty intake filter
●Piston ring wear after 12,000-16,000 h evident from increasing discharge pressure build-up time or oil-bearing discharge air
●Bearing seizure after idle operation at low speed (pressure-less operation) or oil starvation
●Intercooler condensate drain blockage führt zu Wasserkarriierung in höhere Stufen mit Folgeschäden
●Crankcase oil contamination by blow-by gases at high running hours

Service & Maintenance

Main service intervals: valve plate inspection every 4,000 h, replacement at 8,000 h. Piston rings 12,000-16,000 h. Main bearings 20,000-30,000 h. Intercooler descaling every 2 years. Daily: condensate drain-off all 3 stages, oil level, intake filter check. Weekly: V-belt tension, safety valve function test.

Suppliers & Spare Parts

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Replacement Parts

Keep onboard: 1 complete valve plate set (suction + discharge all 3 stages), 2 piston ring sets, intake filter (consumable), oil filter, condensate drain valves. Lead time Sauer service typically 4-6 weeks for non-stock items. OEM service stations in Hamburg, Singapore, Houston, Shanghai.
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Equipment Model #38036 · ✓ still in production