HEYA METAL | Custom Automotive Exhaust Parts Manufacturer Since 1994

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Stainless Steel Turbo Oil Return Pipe with Flexible Metal Bellow Bend Type Turbo Oil Drain Tube | HEYA METAL 1

Stainless Steel Turbo Oil Return Pipe with Flexible Metal Bellow Bend Type Turbo Oil Drain Tube | HEYA METAL 2

Stainless Steel Turbo Oil Return Pipe with Flexible Metal Bellow Bend Type Turbo Oil Drain Tube | HEYA METAL 3

Stainless Steel Turbo Oil Return Pipe with Flexible Metal Bellow Bend Type Turbo Oil Drain Tube | HEYA METAL 4

Stainless Steel Turbo Oil Return Pipe with Flexible Metal Bellow Bend Type Turbo Oil Drain Tube | HEYA METAL 5

Stainless Steel Turbo Oil Return Pipe with Flexible Metal Bellow Bend Type Turbo Oil Drain Tube | HEYA METAL

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Product materials

Product Introduction

Fabricated with stainless steel material, integrated with corrugated flexible section and welded flange joints. The corrugated segment absorbs thermal expansion and vibration from engine operation. Various surface treatments are available upon customer request. We support custom shape, length, flange pattern, corrugation structure and port layout to develop different series of EGR pipes.

Product Description

Product Features & Advantages

Stainless Steel Turbo Oil Return Pipe with Flexible Metal Bellow Bend Type Turbo Oil Drain Tube | HEYA METAL 7

Product Features & Advantages:

• Customizable for all kinds of EGR pipe solutions per customer drawings.
• Built-in corrugated flexible section, absorbs vibration and thermal displacement.
• Stainless steel material, high temperature resistance & anti-fatigue performance.
• Precision welded flange connections for reliable sealing.
• Various surface treatments available as per customer specification.
• Custom bending shape, dimension, flange and corrugation design.

Stainless Steel Turbo Oil Return Pipe with Flexible Metal Bellow Bend Type Turbo Oil Drain Tube | HEYA METAL 8

Technical Guarantee:

Manufactured in our ISO 9001 & IATF 16949 certified facility, each EGR pipe undergoes:

• Manufactured in our ISO 9001 & IATF 16949 certified facility, each EGR pipe undergoes:
• 3D laser scanning for dimensional accuracy
• Vibration & thermal cycle test
• Air leakage pressure test
• 100% dimensional check before delivery

Stainless Steel Turbo Oil Return Pipe with Flexible Metal Bellow Bend Type Turbo Oil Drain Tube | HEYA METAL 9

Commercial Value:

MOQ: Negotiable (custom EGR pipes based on drawings)
Packaging: could be done as per customer’s special requirement

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Product details

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Package Information

Product Packaging

Q: What is an EGR pipe, and what does it do?

A: An EGR pipe is the connecting pipe in an engine exhaust gas recirculation system. It carries a metered portion of exhaust gas from the exhaust manifold or EGR cooler to the intake side, lowering peak combustion temperature and reducing nitrogen oxide formation. Also catalogued as EGR tube or EGR cooler pipe, it is manufactured for both diesel and gasoline engines.

Q: Why is a corrugated flexible section used in an EGR pipe?

A: The corrugated section absorbs thermal expansion and engine vibration, reducing the loads this movement would otherwise apply to the pipe body and flange joints. It also lowers fatigue stress at the welds and keeps the flange seated, while a rigid pipe has to take up the same movement at its joints.

Q: Which material grades do you offer for EGR pipes?

A: SS304 is our standard grade for EGR pipes. SS409 offers a more cost-effective option for suitable high-temperature applications, and SS316L is available where higher corrosion resistance is required.

Q: What connection types can you supply at the pipe ends?

A: We supply bolt-on flanges and barbed hose nipples, and we build assemblies that combine a stainless steel pipe with a flexible rubber hose section. The end configuration depends on the mounting structure and the sealing requirement at that joint.

Q: How do you ensure the flange seals reliably?

A: Flange faces are machined to a tight tolerance so that flatness and bolt-hole position are held accurately, and every flange joint is pressure leak tested before delivery. Final sealing also depends on the mating face and the gasket used at installation, so we confirm the joint design with you before production.

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