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China Supplier Normally Open Oil Pressure Switch - Pressure Switch For Refrigeration System – Anxin

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abide by the contract", conforms into the market requirement, joins in the market competition by its good quality also as provides a lot more comprehensive and great company for purchasers to let them turn into huge winner. The pursue from the firm, would be the clients' gratification for Car Pressure Switch, Air Compressor Pressure Control Switch, High And Low Pressure Switch, We sincerely welcome overseas consumers to consult for your long-term cooperation as well as the mutual advancement.We strongly think that we will do superior and far better.
China Supplier Normally Open Oil Pressure Switch - Pressure Switch For Refrigeration System – Anxin Detail:

The pressure switch is mainly used in the refrigeration system, in the pipeline circulation system of high pressure and low pressure, to protect the abnormal high pressure of the system to prevent damage to the compressor.

https://www.ansi-sensor.com/pressure-switch-for-refrigeration-system-product/
https://www.ansi-sensor.com/pressure-switch-for-refrigeration-system-product/
https://www.ansi-sensor.com/pressure-switch-for-refrigeration-system-product/
https://www.ansi-sensor.com/pressure-switch-for-refrigeration-system-product/

After being filled, the refrigerant flows into the aluminum shell (that is, inside the switch) through the small hole under the aluminum shell. The inner cavity uses a rectangular ring and a diaphragm to separate the refrigerant from the electrical part and seal it at the same time.

When the pressure reaches the low-pressure switch-on value 0.225+0.025-0.03MPa, the low-pressure diaphragm (1 piece) is turned over, the diaphragm seat moves upward, and the diaphragm seat pushes the upper reed to move upward, and the contacts on the upper reed are on the bottom yellow plate. The contact of the compressor is contacted, that is, the low pressure is connected, and the compressor starts to run.

The pressure continues to rise. When it reaches the high-pressure disconnect value of 3.14±0.2 MPa, the high-pressure diaphragm (3 pieces) flips, pushing the ejector rod upwards, and the ejector rod rests on the lower reed, so that the lower reed moves upward, and the contact on the lower yellow plate The point is separated from the contact on the upper reed, that is, the high pressure is disconnected, and the compressor stops working.

The pressure gradually balances (ie decreases). When the pressure drops to the high-pressure switch-on value minus 0.6±0.2 MPa, the high-pressure diaphragm recovers, the ejector rod moves down, and the lower reed recovers. The contacts on the lower yellow plate and the contacts on the upper reed are restored. Point contact, that is, high pressure is connected, the compressor works.

When the pressure drops to the low-pressure cut-off value of 0.196±0.02 MPa, the low-pressure diaphragm recovers, the diaphragm seat moves down, the upper reed resets down, and the contact on the upper yellow leaf separates from the contact on the lower reed, that is, low-pressure disconnect , The compressor stops working.

In actual use, the switch is disconnected when there is no pressure. It is installed in the car air conditioner system. After the refrigerant is filled (usually 0.6-0.8MPa), the pressure switch is in the on state. If the refrigerant does not leak, The system works normally (1.2-1.8 MPa);The switch is always on.

when the temperature is above seven or eight degrees, When the system does not work normally, such as poor heat dissipation of the condenser or dirty/ice blockage of the system, and the system pressure exceeds 3.14±0.2 MPa, the switch will be turned off;If the refrigerant leaks or the temperature is below seven or eight degrees, and the system pressure is lower than 0.196±0.02 MPa, the switch will be turned off. In short, the switch protects the compressor.


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Product detail pictures:

China Supplier Normally Open Oil Pressure Switch - Pressure Switch For Refrigeration System – Anxin detail pictures

China Supplier Normally Open Oil Pressure Switch - Pressure Switch For Refrigeration System – Anxin detail pictures

China Supplier Normally Open Oil Pressure Switch - Pressure Switch For Refrigeration System – Anxin detail pictures

China Supplier Normally Open Oil Pressure Switch - Pressure Switch For Refrigeration System – Anxin detail pictures

China Supplier Normally Open Oil Pressure Switch - Pressure Switch For Refrigeration System – Anxin detail pictures

China Supplier Normally Open Oil Pressure Switch - Pressure Switch For Refrigeration System – Anxin detail pictures

China Supplier Normally Open Oil Pressure Switch - Pressure Switch For Refrigeration System – Anxin detail pictures

China Supplier Normally Open Oil Pressure Switch - Pressure Switch For Refrigeration System – Anxin detail pictures

China Supplier Normally Open Oil Pressure Switch - Pressure Switch For Refrigeration System – Anxin detail pictures


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Our company promises all users of the first-class products and the most satisfying post-sale service. We warmly welcome our regular and new customers to join us for China Supplier Normally Open Oil Pressure Switch - Pressure Switch For Refrigeration System – Anxin , The product will supply to all over the world, such as: San Francisco, Germany, Malta, Customer satisfaction is our goal. We are looking forward to cooperating with you and providing our best services to suit your needs. We warmly welcome you to contact us and make sure you feel free to contact us. Browse our online showroom to see what we can do for you. And then E-mail us your specs or inquiries today.
  • This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.
    5 Stars By Nicole from Jordan - 2018.09.16 11:31
    A nice supplier in this industry, after a detail and careful discussion, we reached a consensus agreement. Hope that we cooperate smoothly.
    5 Stars By Gabrielle from Swiss - 2018.07.27 12:26
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