Concentric Flange Reduced Rubber Expansion Joint DIN BS Standard
Reduced Rubber Expansion Joint s are the best solution to isolate vibration, dampen noise and pressure surges coming from for example engines, pumps and/or turbines. Additionally, these expansion joints are suitable to compensate thermal elongation or even misalignments.
Characteristics of concentric reducer rubber joint
1. Small size, light weight, flexibility, convenient installation and maintenance
2. It reduces the transmission of structural noise and has strong shock absorption.
3. It has the ability of horizontal displacement, axial displacement and angular displacement, and has the characteristics of flange reconstruction and non parallelism.
Specification of concentric reducer rubber joint
| specification | DN50~300 | DN350~600 |
| Working pressure (MPa) | 0.25~1.6 |
| Bursting pressure (MPa) | ≤4.8 |
| Vacuum (KPa) | 53.3(400) | 44.9(350) |
| Temperature (℃) | -20~+115(for special condition -30~+250) |
| Applicable medium | Air, compressed air, water, seawater, hot water, oil, acid-base, etc.. |
Technical data of concentric reducer rubber joint
| Main data of concentric reducer rubber joint |
| DN(large)×DN(small) | Length | Axial
displacement
(extension) | Axial
displacement
(compression) | Radial
displacement | Deflecting
angle |
| (a1+a2)° |
| 50×32 | 180 | 15 | 18 | 45 | 35° |
| 50×40 | 180 | 15 | 18 | 45 | 35° |
| 65×32 | 180 | 15 | 18 | 45 | 35° |
| 65×40 | 180 | 15 | 18 | 45 | 35° |
| 65×50 | 180 | 15 | 18 | 45 | 35° |
| 80×32 | 220 | 15 | 18 | 45 | 35° |
| 80×50 | 180 | 20 | 30 | 45 | 35° |
| 80×65 | 180 | 20 | 30 | 45 | 35° |
| 100×40 | 220 | 20 | 30 | 45 | 35° |
| 100×50 | 180 | 20 | 30 | 45 | 35° |
| 100×65 | 180 | 22 | 30 | 45 | 35° |
| 100×80 | 180 | 22 | 30 | 45 | 35° |
| 125×50 | 220 | 22 | 30 | 45 | 35° |
| 125×65 | 180 | 22 | 30 | 45 | 35° |
| 125×80 | 180 | 22 | 30 | 45 | 35° |
| 125×100 | 200 | 22 | 30 | 45 | 35° |
| 150×50 | 240 | 22 | 30 | 45 | 35° |
| 150×65 | 200 | 22 | 30 | 45 | 35° |
| 150×80 | 180 | 22 | 30 | 45 | 35° |
| 150×100 | 200 | 22 | 30 | 45 | 35° |
| 150×125 | 200 | 22 | 30 | 45 | 35° |
| 200×80 | 260 | 22 | 30 | 45 | 35° |
| 200×100 | 200 | 25 | 35 | 40 | 30° |
| 200×125 | 220 | 25 | 35 | 40 | 30° |
| 200×150 | 200 | 25 | 35 | 40 | 30° |
| 250×100 | 260 | 25 | 35 | 40 | 30° |
| 250×125 | 220 | 25 | 35 | 40 | 30° |
| 250×150 | 220 | 25 | 35 | 40 | 30° |
| 250×200 | 220 | 25 | 35 | 40 | 30° |
| 300×125 | 260 | 25 | 35 | 40 | 30° |
| 300×150 | 220 | 25 | 35 | 40 | 30° |
| 300×200 | 220 | 25 | 35 | 40 | 30° |
| 300×250 | 220 | 25 | 35 | 40 | 30° |
| 350×200 | 230 | 28 | 38 | 35 | 26° |
| 350×250 | 230 | 28 | 38 | 35 | 26° |
| 350×300 | 230 | 25 | 38 | 40 | 26° |
| 400×200 | 230 | 25 | 38 | 40 | 26° |
| 400×250 | 240 | 28 | 38 | 35 | 26° |
| 400×300 | 240 | 28 | 38 | 35 | 26° |
Concentric reducer rubber joint details show
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All the concentric reducer rubber joints comfirm with the international standards, such as GB, ISO, DIN, ANSI, BS, JIS, as well as customers'special demand.
Concentric reducer rubber joint advantages
1. The connector price is the ex factory price
2.17 years of manufacturing experience and 5 years of export experience
3. Strict quality inspection, and the quality far exceeds the industry standard
4. Mold base customization and OEM of various specifications
5. Provide free rubber joint samples
Concentric reducer rubber joints application
Concentric reducer rubber joint is widely used in water heating and ventilation pipes, water supply and drainage and circulating water pipes, freezing pipes, Huagong anti-corrosion pipes, fire fighting and compressor pipes in various construction, mining, chemical, petroleum and other industries. Concentric reducer rubber joints are used in laboratories, research institutes, ships, ships and other facilities for the protection and control of vibration isolation, noise reduction and displacement compensation of pipeline engineering.
