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Bauer Mariner 320 Compressor
Bauer Mariner 320 Compressor

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Product Code: DSPH-007
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Mobile High Pressure Compressor for Compressing Air and Breathing Air


MARINER320-E | MARINER320-B, 350 bar and 420 bar version



Compressor block with following features

Oil pump for forced-feed lubrication
Micronic intake filter: 10
Intermediate coolers, air cooled
Aftercooler, air cooled, outlet temperature approx. 10-15 °C above cooling air temperature Intermediate separators after each stage (except 1st stage)

Final separator for oil and water condensate after last stage Sealed safety valves after each stage
TÜV approved final pressure safety valve
Pressure maintaining and check valve after the final stage

ON/OFF switch with motor protection

Consisting of:

On/off switch
Cable, length 5 m

CEE – plug (only with operating voltage 400 V / 50 Hz)

Purification System P31/350 - Filter with integrated final oil and water separator

for MARINER 350 bar version


Filter housing with long-life filter cartridge
final mechanical separator for the removal of oil-/ water condensate Final safety valve, fitted to filter housing

Pressure maintaining / non return valve, fitted to filter housing

P41/420 Purification System - Filter with separate final oil and water separator –

for MARINER 420 bar version


Separator unit with final pressure safety valve
Check valve between separator and micro filter
Micro filter
Air bleeder valve with manometer

Pressurizer / check valve
Filter key for cartridge renewal

Air quality as per DIN/EN 12021:2014

(see purification system in standard scope of delivery)


Cartridge change and maintenance becomes safe and comfortable like never before with the B-TIMER!
The mini-computer counts the operating hours and measures accurately the cartridge saturation.

On the four-part segment display the status of saturation of the cartridge can be followed up. If a cartridge change is required, the B-TIMER is flashing conspicuously and the order number of the cartridge is indicated.
The key symbol indicates that maintenance is due. The letters A to C inform about the necessary maintenance kit.

The robust housing resists sand, salt, sea water, high humidity and strong UV-radiation. Start/stop automatic and power save mode make operation comfortable and save the lithium cell.

Only in scope of supply if SECURUS is not ordered! Not available for MARINER320 420 bar version!

PN200 Filling device

PN300 Filling device

Crash frame incl. handles

The corrosion-resistant crash frame provides additional protection for the unit and can accommodate additional accessories such as a compressor control or a larger filter system. The handles make moving the unit easy and convenient.


Purification System P41/350 - Filter with separate final oil and water separator – for MARINER 350 bar version


1x filter housing with long-life filter cartridge
Separator unit with final pressure safety valve
Check valve between separator and micro filter
Micro filter
Air bleeder valve with manometer
Pressurizer / check valve
Filter key for cartridge renewal

SECURUS filter cartridge monitoring system
The SECURUS System continuously monitors filter cartridge saturation levels by measuring the moisture in the molecular filter and showing a when it is time to change the cartridge. When the dryer cartridge is 100% saturated the SECURUS automatically shuts down the system.
Green segment: Yellow segment: Red segment:

Filter cartridge OK Cartridge nearing saturation

Cartridge saturated or contact fault. Compressor is shut down

Compressor control incl. automatic condensate drain system

Compressor control including automatic condensate drain system and automatic switch off at final pressure


ON/OFF Switch with protective motor switch and signal-lamp operation Star-Delta contactor
Pressure switch stops the compressor unit at final pressure

Drainage of all separators between the individual stages and also the final separator during compressor operation (standard draining interval every 15 minutes for a 6 second period)

Timer for automatic condensate drain device
Unloaded start integrated (automatically draining at every shut-down of the unit)

Condensate collecting tank 10 liter, with silencer; about 5 liter capacity, for the environmentally friendly disposal of the condensate

Switch-over device PN 300 / PN 200

The switch-over device enables breathing air cylinders to be filled with both 200 bar and 300 bar. For optimum limiting of the maximum operating pressure, each of the two pressure ranges is protected with a type-tested final pressure safety valve.

High-quality high-pressure filling hoses made from food-safe and long-life hose material make for flexible and safe handling. Swivel hose connections enable the filling valve to be connected to the breathing air cylinder quickly, easily and safely.

Only available with P41 when choosing fully automatic operation!
The trolley provides an easy and convenient mode of transport for mobile compressor units. Fitted with pneumatic tires, the trolley maximizes mobility.

Additional intermediate separator after the first stage
In the case of operation in locations where air humidity is high (tropical regions, for example), we recommend installing a separator downstream of the first compressor stage. This can extend the service life of the unit and reduce maintenance costs.
B-KOOL refrigeration dryer

The B-KOOL Refrigeration Dryer cools the compressed air and thus extends the service life of filter cartridges many times over.

The B-KOOL cools the hot saturated air in the compressor to approx. +3 °C, enabling the final separator to extract significantly higher volumes of condensate and thus extending the service life of the downstream filter cartridges. Depending on the ambient temperature, the life of the filter cartridges can be extended by up to 11 times. The higher the ambient temperature, the longer the lifespan of the filter cartridges when the B-KOOL is used.

Relevant EC Directives (where applicable)

EC Machinery Directive (2006/42/EC)
EC Pressure Equipment Directive (2014/68/EU)
EC Low Voltage Directive 2006/95/EC
EC Electromagnetic Compatibility (EMC) 2004/108/EC

Applied national standards and technical specifications, in particular

Betriebssicherheitsverordnung (German Industrial Safety Regulation) of 27 September 2002 AD 2000
Unfallverhütungsvorschrift (BGR; German Accident Prevention Regulations) BGR 500

All BAUER filter housings are designed, manufactured and tested in line with Accident Prevention Regulations and regulations under AD-2000 provisions and DGRL2014/68/EU.

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Documentation: Design:


1x operating manual and parts list with exploded view drawing on DVD

In line with the state of the art according to DIN, VDE, TÜV and Accident Prevention regulations

In line with Bauer Standard as per DIN EN 10204 - 3.1
All information is given without assumption of liability and subject to technical changes.
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