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China Gold Supplier for Porter Cable Pressure Switch - Auto Air Conditioning Refrigeration Pressure Switch – Anxin

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China Gold Supplier for Porter Cable 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.


4-30-913


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4-30-915


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4-30-916


Product detail pictures:

China Gold Supplier for Porter Cable Pressure Switch - Auto Air Conditioning Refrigeration Pressure Switch – Anxin detail pictures

China Gold Supplier for Porter Cable Pressure Switch - Auto Air Conditioning Refrigeration Pressure Switch – Anxin detail pictures

China Gold Supplier for Porter Cable Pressure Switch - Auto Air Conditioning Refrigeration Pressure Switch – Anxin detail pictures

China Gold Supplier for Porter Cable Pressure Switch - Auto Air Conditioning Refrigeration Pressure Switch – Anxin detail pictures

China Gold Supplier for Porter Cable Pressure Switch - Auto Air Conditioning Refrigeration Pressure Switch – Anxin detail pictures

China Gold Supplier for Porter Cable Pressure Switch - Auto Air Conditioning Refrigeration Pressure Switch – Anxin detail pictures


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We also present product or service sourcing and flight consolidation products and services. We have our possess manufacturing facility and sourcing place of work. We can easily supply you with almost every type of product or service connected to our item variety for China Gold Supplier for Porter Cable Pressure Switch - Auto Air Conditioning Refrigeration Pressure Switch – Anxin , The product will supply to all over the world, such as: Moscow, Sweden, Morocco, Immediate and specialist after-sale service supplied by our consultant group has happy our buyers. Detailed Info and parameters from the merchandise will probably be sent to you for any thorough acknowledge. Free samples may be delivered and company check out to our corporation. n Morocco for negotiation is constantly welcome. Hope to get inquiries type you and construct a long-term co-operation partnership.
  • 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 Sophia from Senegal - 2018.06.03 10:17
    This is a honest and trustworthy company, technology and equipment are very advanced and the prodduct is very adequate, there is no worry in the suppliment.
    5 Stars By Norma from Uzbekistan - 2017.05.02 18:28
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