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New Delivery for Air Bag Suspension Pressure Switch - Auto Air Conditioning Refrigeration Pressure Switch – Anxin

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Our enterprise insists all along the standard policy of "product high-quality is base of business survival; client satisfaction could be the staring point and ending of an business; persistent improvement is eternal pursuit of staff" as well as consistent purpose of "reputation first, client first" for Car Pressure Switch, Compressor Pressure Switch, Precision Pressure Transducer, To acquire a consistent, profitable, and constant advancement by getting a competitive advantage, and by continuously increasing the price added to our shareholders and our employee.
New Delivery for Air Bag Suspension Pressure Switch - Auto Air Conditioning Refrigeration Pressure Switch – Anxin Detail:

Product name 4 pin high low A/C trinary pressure switch for air conditioner Refrigerant 
Thread 1/8,  3/8
Common parameters HP:3.14Mpa  OFF; MP:1.52Mpa  ON; LP:0.196Mpa  OFF
Applicable medium R134a, Air conditioning refrigerant

1-china automatic air conditioning pressure switch
4-30-91
3-R134a car air conditioning pressure switch
4-30-97

Generally, pressure switches are installed in automobile air-conditioning refrigeration systems.Pressure protection switches include high pressure pressure switch, low pressure pressure switch, high and low pressure combination switch and three-state pressure switch.At present, it is commonly used as a combination pressure switch. The working principle of the three-state pressure switch is introduced below.

The pressure switch is installed on the high-pressure side of the air-conditioning system.When the refrigerant pressure is ≤0.196MPa, since the elastic force of the diaphragm, the butterfly spring and the upper spring is greater than the pressure of the refrigerant, the high and low pressure contacts are disconnected (OFF), the compressor stops, and low pressure protection is realized.

When the refrigerant pressure reaches 0.2MPa or more, this pressure is higher than the spring pressure of the switch, the spring will bend, the high and low pressure contacts are turned on (ON), and the compressor operates normally.

When the refrigerant pressure reaches 3.14MPa or more, it will be greater than the elastic force of the diaphragm and the disc spring. The disc spring reverses to disconnect the high and low pressure contacts and the compressor stops to achieve high pressure protection.

There is also a commonly used medium pressure switch.When the refrigerant pressure is greater than 1.77MPa, the pressure is greater than the elastic force of the diaphragm, the diaphragm will reverse, and the shaft will be pushed up to connect the speed conversion contact of the condenser fan (or radiator fan), and the fan will run at high speed to achieve pressure protection.When the pressure drops to 1.37MPa, the diaphragm returns to its original shape, the shaft drops, the contact is disconnected, and the condensing fan runs at a low speed.


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New Delivery for Air Bag Suspension Pressure Switch - Auto Air Conditioning Refrigeration Pressure Switch – Anxin detail pictures

New Delivery for Air Bag Suspension Pressure Switch - Auto Air Conditioning Refrigeration Pressure Switch – Anxin detail pictures

New Delivery for Air Bag Suspension Pressure Switch - Auto Air Conditioning Refrigeration Pressure Switch – Anxin detail pictures

New Delivery for Air Bag Suspension Pressure Switch - Auto Air Conditioning Refrigeration Pressure Switch – Anxin detail pictures

New Delivery for Air Bag Suspension Pressure Switch - Auto Air Conditioning Refrigeration Pressure Switch – Anxin detail pictures


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We can constantly satisfy our respected customers with our good high quality, good price tag and good support due to we have been additional specialist and extra hard-working and do it in cost-effective way for New Delivery for Air Bag Suspension Pressure Switch - Auto Air Conditioning Refrigeration Pressure Switch – Anxin , The product will supply to all over the world, such as: Tunisia, Barcelona, London, With more and more Chinese products around the world, our international business is developing rapidly and economic indicators big increase year by year. We have enough confidence to offer you both better products and service, because we are more and more powerful, professional and experience in domestic and international.
  • Sales manager is very enthusiastic and professional, gave us a great concessions and product quality is very good,thank you very much!
    5 Stars By Ella from Bulgaria - 2017.03.07 13:42
    The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.
    5 Stars By Myrna from Orlando - 2018.12.10 19:03
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