Explore used Sauer high-pressure air compressors at Alpha HPAC for naval, marine, offshore and industrial applications. Choosing a compressor requires more than matching a pressure rating. Air delivery, cooling requirements, power supply, air treatment and installation space all determine whether a system fits your operation. Browse our high-pressure air compressors to compare equipment specifications and configurations.
The Sauer WP5000, also designated WP 5000, is a four-stage, water-cooled high-pressure air compressor developed for demanding naval installations. Its design places four cylinders radially around a vertical crankshaft, with the drive motor directly coupled above the compressor. This arrangement helps reduce vibration and structure-borne noise, both important considerations aboard surface ships and submarines.
Sauer's naval product literature documents WP 5000 configurations at 250 and 400 barg. Air delivery and power requirements vary with operating speed and configuration, so the specifications of the individual machine should guide selection. Cooling-system features include dry cylinder liners, separation of the cooling-water circuit from the air and oil circuits, and straight cooler tubes that can be withdrawn for cleaning.
Shipboard compressors must account for restricted machinery spaces, maintenance access, shock, vibration and noise. Sauer's naval range addresses these requirements through specialized compressor designs for surface vessels and submarines. Alongside water-cooled machines, the range includes air-cooled high-pressure compressors and dedicated breathing-air packages.
In a centralized shipboard air system, high-pressure air can be distributed through a ring main, with pressure-reducing stations supplying consumers that require lower pressures. Compressor selection therefore depends on the complete system: operating pressure, air demand, storage capacity, distribution and treatment requirements.
The compressor block is only part of a high-pressure air installation. Sauer's WP 5000 literature describes optional interstage membrane dehydration or desiccant drying, along with separators after each cooler. When comparing used equipment, establish which dryers, filters, controls and condensate-handling components are included in the package.
Breathing-air applications require particular attention to filtration, air quality and the applicable project specifications. Confirm the treatment equipment and documented suitability of the complete system for its intended service.
When evaluating a used Sauer compressor, compare its rated pressure and air delivery at the same operating conditions. Review motor voltage and frequency, cooling-water requirements, dimensions, maintenance history and included accessories. For naval or marine projects, also establish any requirements for mounting, shock qualification, vibration or noise performance.
Discuss your high-pressure air application with Alpha HPAC. Share your required pressure, air delivery, installation location and project timing to help identify an appropriate equipment configuration.
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