Date: 19/8/2022 16:25
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Alkin W31 Mariner HPA Compressor - Automatic

5.0 (1 review)
Alkin W31 Mariner HPA Compressor - Automatic

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  • 1-year limited warranty

  • 60 days money back guarantee if defective

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Call: 888-262-4867

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    WARNING WARNING This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

Alkin Compressors

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Item details

Sold & shipped by Alkin Compressors


  • Includes Foster Quick Disconnect
Free Air Delivery: 3.7 CFM (In a compressed-air system, free air delivery (FAD) is the enlarged volume of air that the compressor releases into the network within a given measure of time. To determine FAD, measurements must be made of the ambient pressure, humidity and temperature present at the air inlet of the machine.)
Max Air Pressure: 5000 PSI
Stages: 3 Stage Compressor - The three-stage compressor provides the most consistent power output and can operate for extended periods
Lubrication: Splash lubrication
Motor: 4HP, 220V, Single Phase (18 Amps)
Option: Automatic start/stop and condensate drain
RPM: 1050 RPM (Lowest RPM HPA Compressor)
Warranty: 2 Years
Weight: 175 lbs
Dimensions: 23 x 20 x 35 (WxLxH) inches
Air Quality complies with EN 12021, Grade E and D.  Ideal for use in operations requiring breathing air in accordance with EN 12021 standard and high pressure air, and are available with electric, petrol, and diesel engine drive options.

Standard Features
Antirust power coated vertical frame with casters
P21 Purifier with Refillable Purifier Element
2nd and 3rd Stage Water Condensate & Oil Separator
Intercoolers (Stainless Steel)
Aftercooler (Stainless Steel)
Priority Valve (Pressure Maintaining Valve)
Check Valve
Safety Valve at Each Stage
Oil Level Sight Glass
Thermal Overload Protection for Electric Motor
Control Panel: On / Off Buttons and Hourmeter
Power Cable

Fill Times
100 cu-in. bottle from 0 to 4500 psi in 6 minutes
74 cu-ft. tank from 0 to 3000 psi in 16 minutes
98 cu-ft. tank from 3000 to 4500 psi in 6 minutes
74 cu-ft. tank from 0 to 4500 psi in 23 minutes
98 cu-ft. scba tank from 0 to 4500 psi in 30 minutes

High Pressure Air Compressor 
3.7 CFM Free Air Delivery with 5000 PSI Max Air Pressure 
Automatic Start/Stop and Condensate Drain package
 220 Volt, Single Phase, 4HP Electric Motor (18 Amps)
Female Foster Quick Disconnect Fill Valve

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Alkin Compressors

See manual
Item details

Sold & shipped by Alkin Compressors




Weight150.0 lbs

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5.0 (1 review)
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Things I liked:

This is a great pump it pumps up everything fast

Things I would have changed:

Wouldn’t change a thing

What others should know:

The pump is expensive but by financing it made it a lot easier to buy 18 months of payments is terrific The best way to get one of these pumps

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