Shanghai Songjiang Jingning Shock Absorber Co.,Ltd.
| Payment Terms | Western Union,T/T,L/C,D/A,D/P,MoneyGram |
| Supply Ability | 10000 sets per week |
| Delivery Time | 5--15 working days |
| Packaging Details | carton or wooden |
| OEM/ODM | for 20 Year's Experience |
| Product name | Rubber Expansion Joint Standard High Pressure Resistant In Piping Customized |
| Keyword | Rubber Expansion Joint Standard |
| Material | EPDM,NBR,NR, CR, FKM |
| Size | DN50 |
| Flange Standard | PN10/16, Class150#, Class300#, JIS5K, JIS10K |
| Color | Black |
| Shape | Round |
| Material Of Flange | Q235, SS304, SS316, SS316L |
| Surface Treatment | Cold Galvanized |
| Nominal Diameter | 32mm - 1800mm |
| Warranty Time | 12 months |
| In Stock | 20000 |
| Businese Type | Rubber expansion joints manufacturer |
| Flange Material | Carbon steel, SS304, SS316 |
| Main Frame | Nylon Cord Fabric |
| Resistance | Corrosion and abrasion resistant |
| Working Temperature | -20℃~150℃ |
| Feature | Small Volume |
| Warranty | 12 months |
| Deflection Angle | 10° - 15° |
| Axial Displacement | 6-18 mm |
| Company Type | Factory |
| Brand Name | JINGNING |
| Model Number | RLJS |
| Certification | CE，ISO |
| Place of Origin | China |
View Detail Information
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Product Specification
| Payment Terms | Western Union,T/T,L/C,D/A,D/P,MoneyGram | Supply Ability | 10000 sets per week |
| Delivery Time | 5--15 working days | Packaging Details | carton or wooden |
| OEM/ODM | for 20 Year's Experience | Product name | Rubber Expansion Joint Standard High Pressure Resistant In Piping Customized |
| Keyword | Rubber Expansion Joint Standard | Material | EPDM,NBR,NR, CR, FKM |
| Size | DN50 | Flange Standard | PN10/16, Class150#, Class300#, JIS5K, JIS10K |
| Color | Black | Shape | Round |
| Material Of Flange | Q235, SS304, SS316, SS316L | Surface Treatment | Cold Galvanized |
| Nominal Diameter | 32mm - 1800mm | Warranty Time | 12 months |
| In Stock | 20000 | Businese Type | Rubber expansion joints manufacturer |
| Flange Material | Carbon steel, SS304, SS316 | Main Frame | Nylon Cord Fabric |
| Resistance | Corrosion and abrasion resistant | Working Temperature | -20℃~150℃ |
| Feature | Small Volume | Warranty | 12 months |
| Deflection Angle | 10° - 15° | Axial Displacement | 6-18 mm |
| Company Type | Factory | Brand Name | JINGNING |
| Model Number | RLJS | Certification | CE，ISO |
| Place of Origin | China | ||
| High Light | Thermal expansion rubber coupling ，Multi-axial pipeline compensator ，Carbon steel flange rubber joint | ||
Eliminate Piping Stress & Pump Noise
Product Description
In high-flow industrial operations, rigid piping systems are ticking time bombs. They inevitably face three silent killers: thermal elongation caused by seasonal or fluid temperature shifts, intense equipment vibration generated by spinning impellers, and unexpected installation misalignment during field setups. When these forces collide, they focus stress directly on your most expensive assets. Our heavy-duty flanged rubber bellows act as the ultimate system reset, absorbing the punishment so your pipes don't have to.
The Proven Results for Your Plant:
Total Asset Protection: Eliminates mechanical stress on your pumps and valves, extending their service life by years.
Acoustic and Vibration Isolation: Drastically reduces high-frequency vibration and structural noise transfer, protecting building integrity and meeting strict environmental standards.
Continuous Multi-Directional Flexibility: Effortlessly self-compensates for constant ground settling, thermal expansion, and contraction cycles without losing structural integrity.
Premium Engineering in Every Detail: Built with premium-grade vulcanized elastomers and heavy-duty internal cord reinforcement, these bellows handle fluctuating working pressures without swelling or distorting. Furthermore, the user-friendly design features loose, rotatable flanges. This eliminates the nightmare of forcing misaligned bolt holes together during complex retrofits, cutting installation time in half.
Don't wait for the next catastrophic leak. Stop replacing cracked flanges and losing money on emergency maintenance. Secure your process continuity and protect your infrastructure today
Performance characteristics
Multi-Axis Movement Compensation
Engineered with a high-flexibility geometry to seamlessly absorb simultaneous axial compression, elongation, lateral deflection, and angular rotation. It acts as an adaptive joint that continuously neutralizes thermal stress and seasonal pipeline movement.
Elite Vibration Absorption & Noise Isolation
The premium-grade vulcanized elastomeric core acts as an acoustic deadener. It targets and dampens high-frequency mechanical hums and severe kinetic vibrations right at the source (such as pump impellers), protecting downstream instrumentation.
High-Tenacity Pressure Resistance
Reinforced internally with multi-layered, high-tenacity synthetic cord fabrics. This heavy-duty matrix ensures the rubber bellows maintains perfect dimensional stability and resists swelling or distortion even under fluctuating surge pressures.
Product Specification
| Size | Length | Allowable Movements in Operation | ||||
| mm | inch | mm | Axial Compression mm | Axial Extension mm |
Transverse Movement mm |
Angular Deflection mm |
| 25 | 1 | 130/152 | 20 | 12 | 14 | 15° |
| 32 | 1 1/4 | 95/130/152 | 20 | 12 | 14 | 15° |
| 40 | 1 1/2 | 95/130/152 | 20 | 12 | 14 | 15° |
| 50 | 2 | 105/130/152 | 20 | 12 | 14 | 15° |
| 65 | 2 1/2 | 115/130/152 | 20 | 12 | 14 | 15° |
| 80 | 3 | 130/135/152 | 20 | 12 | 14 | 15° |
| 100 | 4 | 130/152 | 20 | 12 | 14 | 15° |
| 125 | 5 | 130/152/165 | 20 | 12 | 14 | 15° |
| 150 | 6 | 130/152/185 | 20 | 12 | 14 | 15° |
| 200 | 8 | 130/152/210 | 20 | 12 | 14 | 15° |
| 250 | 10 | 130/203/230 | 20 | 12 | 14 | 15° |
| 300 | 12 | 130/203/245 | 25 | 16 | 22 | 15° |
| 350 | 14 | 200/255 | 25 | 16 | 22 | 15° |
| 400 | 16 | 200/255 | 25 | 16 | 22 | 15° |
| 450 | 18 | 200/255 | 25 | 16 | 22 | 15° |
| 500 | 20 | 200/255 | 25 | 16 | 22 | 15° |
| 600 | 24 | 260 | 25 | 16 | 22 | 15° |
| 700 | 28 | 260 | 25 | 16 | 22 | 15° |
| 800 | 32 | 260 | 25 | 16 | 22 | 15° |
| 900 | 36 | 260 | 25 | 16 | 22 | 15° |
| 1000 | 40 | 260/300 | 25 | 16 | 24 | 15° |
| 1100 | 44 | 300 | 25 | 16 | 24 | 15° |
| 1200 | 48 | 300 | 25 | 16 | 24 | 15° |
|
Note: If the medium is oil, acidic or alkaline substances, and there are special requirements for the working temperature, you can customize it by sending a letter or drawing. Please specify when ordering |
Product Details
Production Flow
|
1.Raw material Top level CR/EPDM/NBR rubber raw materials, No recycled rubber |
2.Plasticating and mixing Special Formulation for better Bending with Nylon,For Better Strength,Sealing |
3.Workblanks wraping Cooper plated steel wire reinforcement prevent pull off |
|
4.Vulcanizing Automatic vulcanization machine ensure vulcanization time and pressure |
5.Inspecting |
6. Packaging |
Application
Rubber Expansion Joint Standard are widely used in various fields, including construction, chemical industry, shipbuilding, tap water, gas, chemical pipelines, petroleum pipelines, food pipelines, air conditioning pipelines, and sewage treatment.
Our Services
1.24-hour online
2.Free samples provided
3.Support customization
4.Provide drawings
5.Multiple payment styles to choose from
6.Factory inspection (material, specifications, quantity, pressure, packaging)
7.Long warranty period
8.Suitable packaging for transportation
Our Customer
Certificate
FAQ
Q: How much axial extension can this specific bellows handle?
A: Depending on the nominal diameter, it safely compensates for up to $15text{mm}$ of compression and $10text{mm}$ of extension per unit.
Q: Does ground settling damage this connector?
A: No, its lateral offset capabilities are designed exactly to absorb minor ground movements and structural settling without cracking.
Company Details
Business Type:
Manufacturer
Year Established:
2004
Total Annual:
30000000-50000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Jingning is a specialist company in expansion joints for pipe equipment. Since 2004 we stand for values which are typical of a family owned company: the spirit of innovation, reliability, continuity and flexibility in thought and action.We are a reliable supplier to our customers who count... Jingning is a specialist company in expansion joints for pipe equipment. Since 2004 we stand for values which are typical of a family owned company: the spirit of innovation, reliability, continuity and flexibility in thought and action.We are a reliable supplier to our customers who count...
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