NEW 2.2kW 3HP Air Compressor Pump Head Piston Style Twin Cylinder Oil Lubricated. Net weight: about 11kg. Product size: 322833 (cm). Working principle: piston compressor. Exhaust volume: about 250L/min. Lubrication method: oil lubricated air compressor. Mounting hole center distance: 136142mm Pipe joint thread: American 3/4 Belt pulley diameter: 260mm. Ingenious quality, stable performance. Efficient installation and easy maintenance. Fast heat dissipation design. Large heat sink design, faster heat dissipation. Packing list: 2065-3HP air compressor pump head + silencer + screw + breathing nozzle. Applicable head judgment steps :Power matching is considered first (for heads with power =2.2KW). Second consideration of installation size (base screw hole center distance)The third consideration is the pipe interface threadThe fourth thing to consider is the head speed the head speed is best controlled within 800r/MIN. The maximum speed is 850r/MIN. The fifth to consider the aluminum shell head pressure: pressure needs to be less than 0.8bar. Feedback is very important to us. It is impossible to address issues if we do not know about them! Faction is our ultimate goal. We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it’s non-workdays, please kindly be patient and wait till Monday. Easy installation, Convenient Use, Easy Operation.