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1. The ball itself is designed to be longer than the single ball rubber joint, which has good vibration and noise reduction effect
2. Good telescopic displacement performance and longer service life than single ball rubber joint
3. Small volume, light weight, good flexibility and convenient installation and maintenance
GENERAL CHARACTRISTICS | |
Nominal Diameter | DN40-DN600 |
Working Pressure | PN6-PN25 |
Working Temperature | -20℃-130℃ |
Working Medium | Water,Oil,Acid,Alkali,Etc |
Main data of double spheres rubber compensator | |||||||
Nominal diameter(DN) | Length | Hole diameter quantitvd | Axial displacement(mm) | Horizontal displacement | Deflexion angle | ||
mm | inch | mm |
| Extension | Compression | mm | (a1+a2)° |
40 | 1 1/2 | 165 | 18-4 | 30 | 50 | 45 | 40° |
50 | 2 | 165 | 18-4 | 30 | 50 | 45 | 40° |
65 | 2 1/2 | 175 | 18-4 | 30 | 50 | 45 | 40° |
80 | 3 | 175 | 18-8 | 35 | 50 | 45 | 40° |
100 | 4 | 225 | 18-8 | 35 | 50 | 40 | 35° |
125 | 5 | 225 | 18-8 | 35 | 50 | 40 | 35° |
150 | 6 | 225 | 22-8 | 35 | 50 | 40 | 35° |
200 | 8 | 325 | 22-8 | 35 | 60 | 40 | 30° |
250 | 10 | 325 | 22-12 | 35 | 60 | 35 | 30° |
300 | 12 | 325 | 22-12 | 35 | 60 | 35 | 30° |
350 | 14 | 330 | 22-16 | 35 | 60 | 35 | 30° |
400 | 16 | 330 | 26-16 | 35 | 60 | 35 | 30° |
450 | 18 | 330 | 26-20 | 35 | 60 | 35 | 30° |
500 | 20 | 350 | 26-20 | 35 | 60 | 35 | 30° |
600 | 24 | 350 | 30-20 | 35 | 60 | 35 | 30° |


It is very important to select the appropriate flexible rubber expansion joint of the pipeline, understand the compatibility of the medium with the selected material, the full temperature, pressure and vacuum range, the required movement and the size between the pipeline flanges. With this information, Flex application engineers can help determine the ideal expansion joint for any application.
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1. Factory price of double sphere rubber expansion joint.
2. 20 years of manufacturing experience, 7 years of export experience.
3. Strict quality inspection, the quality far exceeds the industry standard.
4. Double sphere rubber expansion joint mold has a variety of specifications, support customization, OEM.
5. Provide free samples of double sphere rubber expansion joint.
6. Double sphere rubber expansion joint are in large stock.
Because double flexible connector has good comprehensive performance, it is widely used in chemical industry, construction, water supply, drainage, petroleum, light and heavy industry, refrigeration, sanitation, water heating, fire protection, electric power and other basic engineering.


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