Name: 4500Psi High Pressure Pump. Compression method: secondary compression. Cooling system: water cooling + air cooling. Lubrication method: splash type. Air pump speed: 2800r/min. Air pump noise: 78 DB Size: 503643. Power cord length: 1.5 (M). Inflatable tube length: 0.8 meters. The double-cylinder high-pressure air pump has a wide application area and is hard and collision resistant. Working pressure is 0-40MPA. It can be used well in the pumping work of balls, boats, tires, etc. Fast inflation/short time/safe explosion-proof/high power. Explosion-proof valve, oil-water separation system design.