Place of Origin:
China
Brand Name:
JINGNING
Certification:
CE，ISO
Model Number:
RLJS
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Can be Customized Rubber Expansion Joints for Pipe Ansi Double Sphere Flexible Joint
Rubber expansion joint address anticipated vibration, noise, shock, corrosion, abrasion, stress and space issues. The piping system is designed with double spheres to absorb piping movement, release stress, reduce system noise/vibration, compensate for misalignment/offset, and protect rotating machinery and equipment from start-up shocks. Rubber expansion joints can be made of different rubber materials depending on the medium and application. They are designed to withstand axial, horizontal, angular and torsional movements and vibrations in pipelines.
Performance characteristics of Rubber expansion joint
Double sphere rubber expansion joint offer ultra-high performance, reliability and longevity, thus improving plant safety and the mechanical integrity of equipment. Due to the insertion of specially designed products in rigid piping systems, Joint expansion are able to:
1. Reduce mechanical noise
2. Compensate for eccentricity
3. Eliminate electrolysis between dissimilar metals
Technical data of Rubber expansion joint
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Main data of Double Sphere 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
Do you know how is a Rubber expansion joint made? Let's see with JINGNING.
It is very important to select the appropriate joint expansion, to understand the compatibility of the medium and the selected material of the joint expansion, 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 joint expansion for any application.
Rubber expansion joint application
Rubber expansion joint are widely used in various pipeline systems, such as the connection of joint expansion with pumps and valves, fire-fighting equipment and pipelines with large vibration. Pipes with frequent changes of heat and cold. Double sphere rubber 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 double sphere rubber expansion joint has high wear resistance, joint expansion is also suitable for all industries of granular and powdery and gas low temperature.
FAQ
Q1: What’s the package of rubber expansion joint?
A1: The package is carton box and strong plywooden case.
Q2: What’ the MOQ of rubber expansion joint?
A2: 1 pc. We could delivery any quantity according to your requirements.
Q3: What’s the face to face length of rubber expansion joint?
A3: The face to face length can be L130, L152,L203... We also could accept customized length according to your requirements.
Q4: What’s the material of flange ( retaining rings )?
A4: The material of flange can be carbon steel, stainless steel and ductile iron.
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