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Washer Extractor Performance Requirements
- May 25, 2017 -

  Washer Extractor In the car windshield in addition to rain, frost, but also often mud, dust and oil and so on. In order to scrape clean, wash the dirt with a scrubber with a wiper. Windshield washer can also be used as a washing headlamps.

   Washer Extractor The performance requirements of the washing pump are specified in GB-15085-94: the capacity of the storage solution should be not less than 1L: the scrubber should have the ability to supply enough liquid at room temperature and clean the area with more than 60% Should be able to withstand the nozzle was blocked load, and in the case of scrubber nozzle block 1min connected to the washing pump power supply 6 times, each time 3s, the scrubber should be intact. In addition the scrubber should be in high temperature, low temperature and other environmental conditions can work properly.

In QC / 246-1997 "automotive windshield electric scrubber technical conditions" in the provisions of its technical requirements and test methods, in QC / T548-1999 "automotive washing motor technical conditions" in the provisions of the washing motor technical requirements And test methods.

nozzle

  Washer Extractor The scrubber nozzle is made of copper, plastic and other materials. The windshield washer is usually adjustable. The nozzle is usually installed under the windshield, there are some cars in the middle of the scraping arm, wipers and scrubber work, intermittent water, can more effectively clean the windshield. Nozzle spray water concentrated, the pressure is usually selected in 70 ~ 80kPa. The discharge of each nozzle should be uniform, the nozzle hole diameter is generally 0.8mm.

detergent

The washing liquid is an aqueous solution having a hardness of less than 205 g / t and adding an appropriate amount of the commercial additive. Usually in the washing liquid by adding a small amount of detergents and rust inhibitors, in order to prevent the winter washing solution icing, the need to add antifreeze, usually antifreeze optional ethylene glycol 50% + methanol 48% + detergent and rust inhibitor 2% and other components. In addition, the detergent should be clean, uniform, without sediment and floating objects, should be harmless to humans and animals, metal, rubber and plastic corrosion damage.