Shopping cart Alkin W31 Mariner 3.7 Vertical Compressor **ESTIMATED SHIP DATE 5/1/2026** *Additional shipping charges may be collected for shipping to Hawaii, Alaska, Guam, & Puerto Rico. The Alkin W31 Mariner 3.7 CFM Vertical Compressor is a premium, high-pressure air solution built for reliability, performance, and long-term durability. Designed with a compact vertical footprint, this compressor saves valuable floor space while delivering powerful output for demanding applications. At the heart of the W31 is a three-stage, low-RPM (1050 RPM) reciprocating system, engineered to run cooler, quieter, and longer between service intervals. Capable of producing up to 5000 PSI (345 bar), it provides clean, breathable air that meets EN12021 standards, making it ideal for airgun shooters, scuba, paintball, and professional use. With a 3.7 CFM fill rate, the W31 offers fast and efficient tank fills, while its integrated P21 filtration system ensures consistent air purity. Built with rugged components like stainless steel intercoolers, aftercoolers, and multi-stage moisture and oil separators, this compressor is made to perform in demanding environments. Standard Features Automatic Shut Off 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 Glass Electrostatically Painted Portable Chassis Power Cable Pressure Switch for Auto Shutoff on Electrical Engines Thermal Overload Protection for Electric Motor Control Panel: On / Off Buttons Hour meter (Included in all models except Manual Gasoline Engine) Filling Hose (Yokes, Filling Valves, Pressure Gauges, DIN Adapters) Air Quality complies with EN 12021, Grade E and D. Note: Please write on the freight receipt if the box has any visual damage and contact us immediately at (201) 899-9675 while the driver is present.
