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The pressure-washing system has its water pump as its core. It is designed to do cleaning jobs that require intense force to make the job easier and quicker. These machines are now available for home based used and professional used. They are perfect for delicate and detailed cleaning. However, be reminded that too much power can cause damages on surfaces that you are cleaning. The pump of the pressure-washing system is available in different types.
Belt Drive Pump and Direct Drive Pump
The main difference between the two is that the belt drive pump runs at a much lower RPM (revolution per minute). The belt drive is insulated from the engine or motor vibration. Hence, they may have extended life span. On the other hand, the direct drive propeller is directly mounted on the engine or motor. This removes the extra expense on pulley, belts and gearbox. At the same PSI, GPM and horsepower, the belt drives can cost three times of the price of direct drives.
Basic Pump Models
The wobble, axial and the camshaft are the basic pump models of a pressure-washing system. The first propeller model has lower performance and efficiency. This is because it produces on each stroke a piston spring resistance. The same thing is the case on axial propeller models. The performance and efficiency are also affected due to the resistance. Though they are almost similar to each other, the axial propeller has a much larger cylinders and oil reservoir. It also has large bearings to allow the propeller system to run cooler. It can help generate higher PSI and GPM ratings.
On the other hand, the camshaft propeller provides more benefits. It addresses the issue of piston spring resistance. It is more efficient than wobble and axial models as it utilizes connecting rods and positive action piston. It also generates less heat and runs much cooler. One example is the product line of Excell pressure washers that offers the different types of pumps.
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