Product Details

Specifications

Specifications
1. Fine precision, quality, and processability.
2. Platings of Zinc, and PVF coating for corrosion protection.

1. Applicable Areas:

Low and high pressure oil, fuel, hydraulic and air systems;
Automobile brake systems, fuel system, lubrication system;
Thermal managment systems like refrigeration, air conditioning, and other industries with similar demands.

2. Tube Specifications

Outer Diameter (Φ)	Wall Thickness Tolerance (mm)	Wall Thickness (mm)	DIA Tolerance (mm)
4.75(3/16″)	+0.05	0.7	±0.12 common And ± 0.08 Higher
6	±0.05
6.35(1/4″)	±0.05
8(5/16″)	±0.05
9.52(3/8″)	±0.10
10	±0.10
12	±0.10
8	±0.05	1
10	±0.10
12	±0.10
15	±0.10

NOTE: All the diameters listed above are available.

3. Performance Tests:

Flaring Test;
Bending Test;
Flattening Test;
Pressure Proof Test;
Salt Mist Test.

4. Galvanization and Coating Types

Mark	Type	Typical Appearance	Anti-corrosion Time
A	Copper Brazed	Bright or light blue	6-8h
B	White Zinc	Rainbow and white	24-36h
C	Color Zinc	Yellow rainbow	72-96h
D	Olive Green	Olive green or bronze color	96-144h
E	PVF Coated (mainland)	Black	≥1000h
E	PVF Coat (abroad)	Black	3000-5000h

NOTE:

Coating types are not limited to the above listed and please contact us to confirm if other coatings are possible.
Galvanization or coating thickness and materials can be customized as required.
We could supply tubes according your samples if needed.

5. Product Show

The following pictures show what the above listed appears.

6. Packaging: As Required.

7. About our company

Shaanxi Yougrui Indus. Limited Company is one of the most professional bundy tube manufacturers with TS and ISO9001 certifications in China,specialized in double-wall brazed tubes(bundy tubes) since 1998, with PVF coating and Zinc plating used for automobiles, refrigeration and other industrial equipments.

Reasons to choose us:
A. We have research teams and possess leading-edge technologies of our own intellectual property.

B. We developed our own advanced automatic production lines and know how to adjust the manufacture process according to vaired customer needs.

C. We adopt strict quality control and efficient management, which help us sustaining outstanding quality.

D. We have over 15-year manufacture experience and are trust worthy.

E. We have established long-term relationship with the major automobile manufactures in China. On the other hand, we win trust from China North Industries Group Corperation for military use, China Aerospace Sience & Industries Corp. and China Aerospace Sience & Technology Corp. within aerospace field. Our foriegn clients are all over the globe, including North and South America, Russia, Europ, Middle East, etc.

Because of profession, we are confident on and looking forward to gaining your trust!