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W31 Mariner High-Pressure Air Compressor

Product details

  • Portable High Performance: Features a compact, portable design with a three-stage reciprocating system that delivers exceptional performance for mobile operations.

  • Breathing Air Certified: Ideal for scuba diving and fire departments, producing breathing air that strictly complies with the EN 12021:2014 standard.

  • Versatile Drive Options: Available with electric, petrol, and diesel engine drive options to suit various operational environments, from shipyards to fish farms.

  • Durable Cooling System: Equipped with stainless steel interstage cooling pipes and aftercoolers to ensure efficient heat dissipation and longevity.

  • Integrated Purification: Comes standard with a P21 Purifier and refillable cartridge system to guarantee air purity.

  • Ready-to-Use: Includes complete filling hoses with Yoke, Sleeve Valve, Manometer, and DIN Adapter as standard equipment.

W31 Mariner High-Pressure Air Compressor

The W31 Mariner is a high-pressure compressor designed for professionals requiring reliable breathing air and high-pressure supply in a portable package. Utilizing a robust three-stage, splash-lubricated reciprocating system, it delivers compressed air capacities ranging from 105 to 145 lt/min. It is specifically engineered for critical applications such as scuba diving, civil defense, and military operations where adherence to EN 12021 breathing standards is mandatory. With a rugged electrostatic painted chassis and shock mounts, the W31 Mariner provides durable performance in the field.


Common Performance Data
  • Working Pressure: 225/310 bar (3260/4500 psi). Note: Higher pressure models up to 350 bar are available.

  • Compressor Design: 3 Stages / 3 Cylinders.

  • Dimensions (W x L x H): 43 cm x 83 cm x 52 cm.

  • Weight: 64 kg.


Model Variant: 2.2 kW (Electric)
  • Motor Power: 2.2 kW (3 hp).

  • Free Air Delivery (FAD): 110 l/min (6.6 m³/h / 3.8 cfm). Note: Single-phase version flow rate is 105 l/min.

  • Speed: 1050 rpm.


Model Variant: 3 kW (Electric)
  • Motor Power: 3 kW (4 hp).

  • Free Air Delivery (FAD): 145 l/min (8.7 m³/h / 5.1 cfm).

  • Speed: 1350 rpm.


Standard Features & Configuration
  • Purification: P21 Purifier and Refillable Cartridge; Breathing Air Quality Complies with EN 12021:2014.

  • Cooling & Separation: Oil/Water Separators after 2nd and 3rd Stage; Stainless steel Interstage Cooling Pipes and Aftercooler.

  • Valves: Priority (Min. Pressure) Valve, Non-Return (Check) Valve, Safety Valve after each stage.

  • Control Panel: On/Off Buttons, Hourmeter, Emergency Stop Button.

  • Operation: Manual Start/Stop; Manual Condensate Drain.

  • Structure: Electrostatic Painted Portable Chassis with Shock Mounts; Oil Level Glass.

  • Accessories: Complete Filling Hoses (Yoke, Sleeve Valve, Manometer, DIN Adapter).


Optional Equipment
  • Automatic Start / Stop.

  • Automatic Condensate Drain.

  • Dual Pressure System (225-310 Bar / 3260-4500 Psi).

  • Stainless Steel Chassis.

  • Disposable Cartridge.

  • Additional Filling Hose.

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