CWV618 4PK Auto Air Conditioning Compressor For Nissan Pathfinder(R50)3.5 2000-2004

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Theory

Principles of Air Conditioning

(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.

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.

Guangzhou Wei Xing Automobile Air Conditioning Parts Co., Ltd.

Guangzhou Wei Xing automobile air conditioning parts Co., Ltd. was founded in 1998, is an automobile air-conditioning compressor factory, 20 years specializing in automotive air-conditioning compressor production, research and development, processing services.

Stable quality and professional services have been recognized and supported by customers in more than 50 countries all over the world. In order to meet the needs of customers and better service customers, the company set up sale shop in 2005, the main sales of own brand "WNRLN" and foreign well-known brands of compressors and automotive air-conditioning systems related accessories.

With the globalization of the world and the development of the Internet, the company began to open the official website in 2015 to realize the diversification of online and offline sales,allowing customers to have a better shopping experience. In the past 20 years, we have developed a professional technical team and sales team to provide professional overall solutions and provide the whole set of air-conditioning design and production services. Professional attention enables us to go further, and it is our mission to bring China's good quality to the whole world.

Your Best Choice！

At our automotive air conditioning compressor company, we are dedicated to providing exceptional service to our customers. Our service philosophy revolves around three key principles:Service, Quality Assurance,customer satisfaction.

First and foremost, we are committed to responsiveness in our customer service approach. We recognize that issues with air conditioning compressors can arise unexpectedly and may require urgent attention. That's why we have established a dedicated customer support team that is available around the clock to address any concerns or inquiries. Whether it's troubleshooting technical issues, providing guidance on installation and maintenance, or processing warranty claims, our team is always ready to assist our customers promptly and efficiently."After-sales service make permanent customer".

Secondly,we prioritize reliability in everything we do. We understand the critical role that air conditioning compressors play in the functionality of vehicles, especially in hot climates or during long journeys. Therefore, we ensure that our products are built to the highest standards of quality and durability. From the materials we use to the manufacturing processes we employ, reliability is at the forefront of our operations. Additionally, we offer comprehensive warranty coverage and after-sales support to instill confidence in our customers regarding the performance of our compressors.

Furthermore,We closely monitor market trends and customer feedback to identify areas for improvement and innovation. By staying at the forefront of technological advancements, we aim to deliver products that exceed our customers' expectations and set new industry standards.

In addition to these core principles, we place a strong emphasis on building long-term partnerships with our customers. We believe that open communication, mutual respect, and trust are essential for fostering successful business relationships. We actively seek feedback from our customers and use it to drive continuous improvement in our products and services. By aligning our goals with those of our customers and working collaboratively towards shared success, we aim to create value and sustainable growth for both parties.

We aim to be the preferred choice for automotive air conditioning solutions globally.