Product Overview
    
 
    

        The CTEK Offshore W31 Mariner high-pressure air compressor is a compact, three-stage, reciprocating unit known for its exceptional performance and portability. Designed with a splash lubrication system, this high-pressure air compressor offers reliable operation for consumers needing compressed air capacities ranging from 105 l/min to 145 l/min at a maximum working pressure of 350 bar.
    
    
 
    

        Versatile and robust, the W31 Mariner is ideal for operations requiring breathing air in accordance with the EN 12021 standard. It is available with electric, petrol, and diesel engine drive options, making it adaptable to various environments, from shipyards to remote dive sites.
    
    
 
    
Key Features:
    

        
Portable & Compact: Lightweight, electrostatic painted portable chassis designed for easy transport and on-site deployment.
        
High Performance: Three-stage design delivering 105-145 l/min up to 350 bar, making it a powerful portable high-pressure air compressor.
        
Superior Air Quality: Includes P21 Purifier with refillable cartridge and interstage water separators, ensuring EN 12021 compliant breathing air.
        
Durable Construction: Features stainless steel interstage cooling pipes and aftercooler for resistance to corrosion and long service life.
        
User-Friendly Operation: Equipped with manual start/stop, manual condensate drain, and a clear control panel with hourmeter.
        
Safety Systems: Integrated safety valves after each stage and a priority (minimum pressure) valve for secure operation.
        
Ready-to-Use: Complete filling hoses (Yoke, Sleeve Valve, Manometer, DIN Adapter) included for immediate functionality.
    
    
 
    
Applications:
    

        The W31 Mariner High-Pressure Air Compressor is perfect for mobile and space-restricted applications requiring reliable breathing air:
    
    

        
Scuba Diving (recreational and technical diving support)
        
Marine Applications (Shipyards, onboard vessel use)
        
Fire Departments (Portable breathing apparatus filling)
        
Military & Civil Defense
        
Fish Farms (Aeration)
        
Paintball Facilities
    
    
 
    
Technical Specifications:
    

        The W31 Mariner High-Pressure Air Compressor (Horizontal model) is available in configurations to suit your power requirements:
    
    

        
General Specifications:
            

                
Working Pressure: 225 Bar / 310 Bar (Higher pressure up to 350 Bar available)
                
Dimensions (cm): 43 W x 83 L x 52 H
                
Weight: 64 kg
            
        
        
Model Option 1 (110 l/min*): Motor: 2.2 kW (3 hp) | Speed: 1050 rpm | *Three-phase data. Single-phase flow rate is 105 l/min.
        
Model Option 2 (145 l/min): Motor: 3 kW (4 hp) | Speed: 1350 rpm
    
    
* Free Air Delivery (FAD) based on recharging a 10 L cylinder from 0 to 200 barg under standard inlet conditions. CTEK Offshore reserves the right to change information without prior notice.
    
 
    
Standard Features:
    

    

        
P21 Purifier and Refillable Cartridge
        
Oil/Water Separators After 2nd and 3rd Stg
        
Interstage Cooling Pipes (Stainless steel)
        
Aftercooler (Stainless steel)
        
Priority (Min. Pressure) Valve
        
Non Return (Check) Valve
        
Oil Level Glass
        
Electrostatic Painted Portable Chassis
        
Safety Valve After Each Stage
        
Shock Mounts
        
Manuel Start/Stop
        
Manuel Condensate Drain
        
Control Panel: On Off Buttons, Hourmeter, Emergency Stop Button
        
Complete Filling Hoses (Yoke, Sleeve Valve, Manometer, DIN Adapter)
        
Breathing Air Quality Complies with EN 12021:2014
    
    
 
    
Optional Features:
    

    

        
Automatic Start / Stop
        
Automatic Condensate Drain
        
Dual Pressure System 225-310 Bar / 3260-4500 Psi
        
Additional Filling Hose
        
Stainless Steel Chassis
        
Disposable Cartridge
    
    
 
    
Why Choose This Product?
    
 
    

        Choose the CTEK Offshore W31 Mariner for the ultimate balance of portability and performance in a high-pressure air compressor. Whether for mobile scuba diving operations, shipyards, or emergency response, it delivers reliable EN 12021 breathing air at up to 350 bar.
    
    
 
    

        Its compact, rugged design and versatile drive options (electric, petrol, diesel) ensure you have critical high-pressure air wherever your mission takes you.