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Parameter:

Why choose us:

1. We have professional testing tools to test every product before delivery. If there is a product quality problem, we know how to deal with it. For details, please pay attention to our warranty solution.
2. We have obtained ISO9001 CQC certificate.
3. We have exclusive packaging and official logistics for many years of cooperation. We can guarantee that the goods will be arrived quickly and safely.
4. OEM is acceptable.
5. We have more than 1,000 different compressor models available.

FAQ:

Q1. How is quality ensured?

A. All our processes strictly adhere to ISO-9001 procedures and we have a one year quality warranty B L issue date. If the product does not work property as described, and the problem is proven to be

at our fault, we will provide exchange services for the same specific item.

Q2. Do you make customer’s auto AC parts?

A. Yes, you can send us samples and we can develop the new models especially for you.

Q3. What is your Minimum Order Quality?

A. Different products have different MOQ, but we can sell you even one piece if we have stock the model of you need.

Q4. What about delivery time?

A. If we have stock of the item you need, we can send goods to you within 3 working days after deposit or 100% payment into our bank account. If we don’t have stock, generally it takes us around 10~30

working days to manufacture.

Q5. What’s your agency distributor policy focused on auto AC parts?

A. We have some different policies according to target markets, so please send emails for detailed discussions or talk face to face.

Attention:

(Expansion Valve System)

1)High pressure side

Low pressure R134a vapor entering the compressor is compressed to become high pressure/temperature R134a vapor. This is then circulated along with lubricant oil to the condenser. As the high pressure/temperature vapor travels through the condenser, heat is released to the cooler ambient air passing over the condenser tubes condensing the vapor into a liquid. This high pressure/temperature liquid then travels through the filter drier onto the expansion valve where a small variable orifice provides a restriction against which compressor pushes.

2) pressure side

Suction from the compressor pulls the high pressure/temperature liquid R134a through small variable orifice of the TX valve and into the low-pressure side of the A/C system.

The R134a is now under low pressure/temperature vapor where heat from the cabin being blown over the evaporator coil surface is absorbed into the colder low pressure refrigerant The R134a is then pulled through the evaporator and into the

compressor.

The A/C cycle begins again as the R134a vapor is compressed and discharged under pressure.

3)Heat transfer

R134a in the LOW-PRESSURE side is COLD and can absorb large quantities of heat from the air moving over the evaporator.

R134a in HIGH-PRESSURE side is HOT and the cooler ambient air moving over the condenser can absorb the heat from it.

Summary

- When the R134a pressure is low, the R134a temperature is low.

- When the R134a pressure is high, the R134a temperature is high.