Place of Origin:
China
Brand Name:
JINGNING
Certification:
CE，ISO
Model Number:
RLJS
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DN100 Single Sphere Rubber Expansion Joint SS304 Metal Flanged Rubber Expansion Joint
Rubber expansion joint can also be called: flexible rubber joint, rubber soft joint, soft joint, flexible rubber joint, etc. it is a pipe connector with high elasticity, high air tightness, medium resistance and weather resistance. Rubber expansion joint is a kind of composite rubber pipe which is composed of inner rubber layer, fabric reinforcement layer (the reinforcement layer has multi-layer scraped nylon cord), middle rubber layer, outer rubber layer, end reinforced metal ring or steel ring, and loose combination with metal flange or parallel joint after high temperature and high pressure vulcanization. The rubber expansion joint makes use of the advantages of rubber, such as high elasticity, high gas resistance, medium resistance, weather resistance and radiation resistance. Rubber expansion joint can reduce the vibration and noise of the pipeline, and compensate the thermal expansion and cold contraction caused by temperature change.
Performance characteristics of Rubber Expansion Joint
Rubber expansion joint can be divided into three categories: general, special and heat-resistant
1. Universal rubber expansion joint: suitable for transporting water at - 15 ℃ ~ 80 ℃ and acid or alkali solution with concentration less than 10%.
2. Special rubber expansion joint: suitable for special functions, such as oil resistance, plug resistance, ozone resistance, wear resistance or chemical corrosion resistance.
3. Heat resistant rubber expansion joint: suitable for transporting water with temperature higher than 80 ℃.
Technical data of Rubber Expansion Joint
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Main data of rubber expansion joint |
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| Nominal diameter(DN) | Length | Axial displacement(mm) | Horizontal displacement | Deflexion angle | ||
| mm | inch | mm | Extension | Compression | mm | (a1+a2)° |
| 32 | 1 1/4 | 95 | 6 | 9 | 9 | 15° |
| 40 | 1 1/2 | 95 | 6 | 10 | 9 | 15° |
| 50 | 2 | 105 | 7 | 10 | 10 | 15° |
| 65 | 2 1/2 | 115 | 7 | 13 | 11 | 15° |
| 80 | 3 | 135 | 8 | 15 | 12 | 15° |
| 100 | 4 | 150 | 10 | 19 | 13 | 15° |
| 125 | 5 | 165 | 12 | 19 | 13 | 15° |
| 150 | 6 | 180 | 12 | 20 | 14 | 15° |
| 200 | 8 | 210 | 16 | 25 | 22 | 15° |
| 250 | 10 | 230 | 16 | 25 | 22 | 15° |
| 300 | 12 | 245 | 16 | 25 | 22 | 15° |
| 350 | 14 | 255 | 16 | 25 | 22 | 15° |
| 400 | 16 | 255 | 16 | 25 | 22 | 15° |
| 450 | 18 | 255 | 16 | 25 | 22 | 15° |
| 500 | 20 | 255 | 16 | 25 | 22 | 15° |
| 600 | 24 | 260 | 16 | 25 | 22 | 15° |
Note: 1. The special requirements of flanged expansion joint can be customized according to user's drawing. Flange standard is GB / t9115.1-2000. Various flange standards (GB, JB, Hg, CB, ANSI, DIN, BSEN, NF, en, JIS, ISO, etc.) can be selected for production. The rubber ball of flanged expansion joint can be used as natural rubber, EPDM, chloroprene rubber, butyl rubber, butadiene rubber, fluororubber, etc. when the flanged expansion joint above DN200 is used for suspension water supply, the pipeline must have fixed support or fixed support, otherwise the flanged expansion joint shall be installed with anti falling device.
Rubber Expansion Joint details show
Rubber Expansion Joint production Flow
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It is very important to select the appropriate rubber expansion joint, to understand the compatibility of the medium and the selected material of the rubber expansion joint, the range of full temperature, full pressure and full vacuum, the amount of movement required, and the size between the pipe flanges. With this information, JINGNING application engineers can help determine the ideal rubber expansion joint for any application.
Rubber Expansion Joint advantage
1. Factory price of rubber expansion joint.
2. 16 years of manufacturing experience, 5 years of export experience.
3. Strict quality inspection, the quality far exceeds the industry standard.
4. Rubber expansion joint mold has a variety of specifications, support customization, OEM.
5. Provide free samples of flanged expansion joint.
6. Rubber expansion joint are in large stock.
Rubber Expansion Joint application
Flanged expansion joints are widely used in various pipeline systems, such as the connection of flanged expansion joints with pumps and valves, fire-fighting equipment and pipelines with large vibration. Pipes with frequent changes of heat and cold. Flanged expansion joint is mainly used for remote water and sewage lifting and transportation, water supply and cooling circulating water of thermal power plant, pipeline transportation of metallurgical industry, condensate water, chemical industry, cooling and dilution of petrochemical industry, and flexible connection between long and short distance pipelines in other industries. Because the flanged expansion joint has high wear resistance, flanged expansion joint is also suitable for all industries of granular and powdery and gas low temperature.
FAQ
Q1:What`s the rubber material of?
A1: EPDM,CR,NBR,etc .It depends on the working enviroment and media.
Q2: Is the flange galvaized?
A2: Yes,we have electronic galvanized and hot dip galvanized flanges.We also have painted flanges.
Q3: Can I get a sample?
A3: Of cause. We could delivery by Express,by air or by sea.
Q4: What is the MOQ?
A4: 1 Piece, You can also get it as a sample to test our product quality ,then you can purchase order to us .
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