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EGR Water Chamber - Stainless Steel Precision Castings by China Suppliers and Factory for Exhaust Gas Treatment
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EGR Water Chamber - Stainless Steel Precision Castings by China Suppliers and Factory for Exhaust Gas Treatment
EGR Water Chamber - Stainless Steel Precision Castings by China Suppliers and Factory for Exhaust Gas Treatment

EGR Water Chamber - Stainless Steel Precision Castings by China Suppliers and Factory for Exhaust Gas Treatment

Introducing our premium EGR cooler, a crucial component in automotive exhaust gas treatment systems. Manufactured in China, this part ensures optimal engine performance and reduced emissions.


Product Specifications: Dimensions are LxWxH: 62mm x 46mm x 37mm, with a wall thickness of 2.5mm and a weight of 113g.


Material: Made from high-quality stainless steel 304 for durability and corrosion resistance.


Product Testing: Each EGR cooler undergoes rigorous air tightness testing, ensuring it can withstand 500kPa of compressed air for 1 minute without any leakage.


As a leading factory and supplier in China, we are committed to providing high-quality automotive components that meet stringent industry standards.

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Product Detail

Product description

This is a part used in the automobile exhaust system-EGR cooler, the name is water chamber.

It is made of stainless steel 304 material, which has the advantages of high temperature resistance, corrosion resistance, etc. It is widely used in the field of precision casting parts for automobiles, food machinery, valve bodies, pumps and so on.

Product features

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1. thin-walled, complex structure, easy to produce deformation in the casting process
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2. the product has a sealing requirements, for casting defects in the control of higher requirements
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Figure 2 position, for the position of the external water pipe, the use of O-ring radial seal, so for the processing precision requirements, high.
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Figure 3 position, for the welding surface and EGR shell welding, in order to ensure that the brazing pass rate, so for the processing of the flatness has certain requirements;
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Figure 4 position for the external small water pipe, due to the use of brazed sealing between the parts, the precision requirements are higher.

This type of structure seems simple, but in the development process, easy to structural hot joints, our company is in the customer communication, to obtain customer consent, optimize the appearance of the product, and with the beginning of mass production in 2018, and so far continued to supply about 50,000 pieces per year;

Our company has a strong technical development team, with the ability to develop a variety of shaped parts in the field of precision casting, and provide integrated services from casting to machining, striving for excellence, to provide customers with efficient, high-quality products and services has always been our adhering to the concept.

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Frequently Asked Questions

What material is the EGR cooler water chamber made of?

It is made of stainless steel 304 material, which offers high temperature resistance and excellent corrosion resistance.

What are the primary applications of this precision casting part?

It is widely used in automotive exhaust systems (specifically EGR coolers), food machinery, valve bodies, pumps, and other precision casting fields.

What challenges are associated with manufacturing this water chamber?

The part features a thin-walled, complex structure that is prone to deformation during casting. It also requires tight control over casting defects to meet strict sealing standards.

How are the sealing requirements met for the different pipe connections?

The external water pipe (Figure 2) uses an O-ring radial seal requiring high precision. The external small water pipe (Figure 4) uses a brazed seal, and the welding surface (Figure 3) is processed for flatness to ensure a high brazing pass rate.

What is the production capacity and history of this product?

Mass production began in 2018. Since then, we have consistently supplied approximately 50,000 pieces per year.

Does your company provide custom optimization and integrated services?

Yes, we provide integrated services from casting to machining. We work closely with customers to optimize product appearance, resolve structural hot joints, and develop various shaped parts.