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 | Support, 20Years' experience |
| Product name | Customized Pipe Expansion Joint Flange Type Rubber Bellows Flexible Joint Flange |
| Keyword | Flexible Joint Flange |
| Size | DN80 |
| Flange Material | Carbon steel, SS304, SS316 |
| MOQ | 1pc |
| Company Type | Manufacturer |
| Flange Standard | DIN, PN10/16, ANSI150#, JIS |
| Nominal Diameter | 25mm - 1000mm |
| Deflection Angle | 10° - 25° |
| Material | EPDM/NBR/Neoprene/Chloroprene |
| Material Of Flange | Carbon Steel, Stainless Steel Etc. |
| Main Frame | Nylon Cord Fabric |
| Main Market | America,Europe |
| Item | afa flex rubber expansion joint |
| Connectiontype | Flanged/Threaded/Welded |
| Temperaturerange | -40°C to +120°C |
| Power | Manual |
| Warranty | 1 year |
| Temperature | -20℃~150℃ |
| Lifespan | Typically 5-10 years depending on conditions |
| Standard | ISO 9001 / EN 681-1 |
| 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 | Support, 20Years' experience | Product name | Customized Pipe Expansion Joint Flange Type Rubber Bellows Flexible Joint Flange |
| Keyword | Flexible Joint Flange | Size | DN80 |
| Flange Material | Carbon steel, SS304, SS316 | MOQ | 1pc |
| Company Type | Manufacturer | Flange Standard | DIN, PN10/16, ANSI150#, JIS |
| Nominal Diameter | 25mm - 1000mm | Deflection Angle | 10° - 25° |
| Material | EPDM/NBR/Neoprene/Chloroprene | Material Of Flange | Carbon Steel, Stainless Steel Etc. |
| Main Frame | Nylon Cord Fabric | Main Market | America,Europe |
| Item | afa flex rubber expansion joint | Connectiontype | Flanged/Threaded/Welded |
| Temperaturerange | -40°C to +120°C | Power | Manual |
| Warranty | 1 year | Temperature | -20℃~150℃ |
| Lifespan | Typically 5-10 years depending on conditions | Standard | ISO 9001 / EN 681-1 |
| Brand Name | JINGNING | Model Number | RLJS |
| Certification | CE，ISO | Place of Origin | China |
| High Light | floating flange rubber expansion loop ，easy-install flexible pipe coupler ，rubber expansion joint with flange | ||
Floating Flange Rubber Expansion Loop: Easy-Install Flexible Pipe Coupler for Rapid Maintenance & Alignment
Product Description
In complex retrofits and aging pipeline corridors, traditional fixed-flange connectors often turn installation into a logistical nightmare, forcing field crews to wrestle with misaligned bolt holes. Maximize your field efficiency with this premium floating flange rubber expansion joint, strategically engineered with loose, split-type backing flanges that rotate a full 360 degrees completely independent of the rubber body. This smart engineering architecture eliminates the risky practice of forcing, prying, or twisting the flexible elastomeric core to match a rigid pipe header, ensuring an immediate drop-in fit even in highly restricted or poorly aligned piping footprints.
By decoupling the metal flanges from the rubber matrix, this design prevents catastrophic pre-installation torquing stress—a leading cause of premature joint failure where the internal reinforcement cords are sheared during the initial bolt-tightening process. When technicians can secure the hardware without introducing structural twist, the joint retains 100% of its rated pressure and movement capacity. It serves as the definitive high-speed maintenance component for plant turnarounds, emergency swap-outs, and utility upgrades where structural safety must be achieved without wasting valuable operational downtime.
Performance characteristics
360° Non-Binding Flange Rotation : Equipped with fully loose backing flanges that spin freely around the rubber sealing collar. This allows field technicians to line up bolt patterns seamlessly at any angle, completely eliminating field alignment bottlenecks.
Zero Pre-Installation Torsional Stress : Guarantees that the internal high-tenacity reinforcement fabric remains entirely free of twisting or shearing forces during bolt torqueing, preserving the full structural integrity and bursting pressure rating of the bellows.
Rapid Asset Swap-Out Capability : Engineered specifically as a high-efficiency maintenance joint for aging or shifting pipelines. It drastically shortens pipeline downtime by accelerating alignment verification, minimizing labor costs during critical plant turnarounds.
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
Flexible Joint Flange 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: Why do the metal flanges spin freely on the rubber body?
A: This is a floating flange design meant to simplify installation, allowing you to match any bolt pattern without twisting the elastomer.
Q: Do I need a heavy torque wrench to seal this joint?
A: No, standard cross-tightening with a regular wrench is enough, as the rubber flange face seals perfectly under normal torque.
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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