A pressure washer is a machine using water at a high pressure to rid objects such as
buildings, vehicles and concrete road surfaces from mold, grime, dust, dirt and mud. The pressure washer equipment can either be bought or rented from outside. This equipment produces pressures ranging from 50 bars (750psi) to 1200 bars (30,000 psi). At a basic level the pressure washers consist of the following basic things:
• Motor directly driving a water pump.
• High pressure hose
• Trigger gun
The trigger gun performs the function of increasing the high dynamic pressure. One can use petrol in the pressure washer. These washers are called as petrol pressure washers. The pump is not likely to draw more petrol from the pipe to which the washer is connected, than that source can provide, and hence the petrol pressure should be adequate for the machine to be connected to it. That in effect indicates that the flow of petrol must be equal or superior than the washer. This will ensure that the pump is never starved of petrol. Several different types of nozzles are available some causing the petrol jet to be ejected in a triangular plane, while others give a jet which is pencil thin and spirals around rapidly. Most of the nozzles are attached directly to the trigger gun. Some pressure washers allow detergent to be injected in them alongwith petrol. This requires a particular type of nozzle to be attached to it. This
introduction of detergent assists the cleaning process by hastening it.
Pressure washers are dangerous machines which have to be handled with care as the
pressure at the nozzle is enough to separate flesh from bone. Hence they have to be
operated with the adequate safety precautions mentioned in the manual. Pressure washers come from various manufacturers like Alex Shanks ltd., Zhejiang King Wash Electro machinery Co. ltd., etc. The latter brand petrol pressure washers come with good quality and at prices which are comparable to other brands in the market. The King Wash pressure washers are manufactured on a made to basis when they receive requirements from their customers. King Wash brand are manufacturers and suppliers of pressure washers of the petrol variety and they are also into pressure washer exports. Some part of their produce goes to the export market. The King Wash Company also provides OEM services for petrol pressure washers.
The typical characteristics of a petrol pressure washer are as under:
It has a
- Low oil shut down
- Low pressure detergent injection
- Thermal protection
- 5M pressure hose
- A metal lance and
- 4 nozzles
Pressure washers have the following certifications namely GS, CE, EMC, EPA, CARB
These pressure washers are manufactured in China. Also available are Alex Shanks pressure washers. These are used for heavy duty blasting Alex Shanks is one of the companies manufacturing the best pressure washers Alex Shanks pressure washers come in the following models namely Karcher SD 801B, Karcher HD 7288, Karcher HD 801B, and HD 104DB. The King Wash pressure washers on the other hand come in the following models namely Model no QH-150, QH-250, QH-135, QH-200, QH-180, QH-130.
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