Shanghai Songjiang Jingning Shock Absorber Co.,Ltd.
| Delivery Time | 5--15 working days |
| Flange Standard | PN10/16, Class150#, Class300#, JIS5K, JIS10K |
| Flange Material | Carbon steel, SS304, SS316 |
| Company Type | Factory |
| Power | Manual |
| Applicable Media | Air, Water, Oil, Weak Acid and Alkali |
| Material Of Flange | Q235, SS304, SS316, SS316L |
| Working Temperature | -20℃~150℃ |
| Packaging Details | carton or wooden |
| Product Drawings | Offer |
| Material | EPDM,NBR,NR, CR, FKM |
| Main Frame | Nylon Cord Fabric |
| Head Code | Round |
| Color | Black |
| Businese Type | Rubber expansion joints manufacturer |
| Axial Displacement | 6-18 mm |
| Payment Terms | Western Union,T/T,L/C,D/A,D/P,MoneyGram |
| Product name | Rubber Expansion Joint Standard High Pressure Resistant In Piping Customized |
| Size | DN50 |
| Warranty | 12 months |
| Application | Pipeline systems |
| Keyword | Rubber Expansion Joint Standard |
| Standard | DIN/ANSI/JIS/BS |
| Temperature Rating | 200°F |
| Supply Ability | 10000 sets per week |
| OEM/ODM | for 20 Year's Experience |
| Connection Type | Flanged |
| Surface Treatment | Cold Galvanized |
| Standard Of Flange | ANSI, DIN, JIS, EN, etc |
| Warranty Time | 12 months |
| In Stock | 20000 |
| Rubber Joint Material | EPDM,NBR,CR,PTFE,etc. |
| Operating Medium | Water, Oil, Air, Chemicals |
| Installation Manual | offer |
| Feature | Small Volume |
| Shape | Round |
| Oem | Yes |
| Nominal Diameter | 32mm - 1800mm |
| Deflection Angle | 10° - 15° |
| Resistance | Corrosion and abrasion resistant |
| Customized Support | OEM, ODM |
| Model Number | RLJS |
| Place of Origin | China |
| Brand Name | JINGNING |
| Certification | CE，ISO |
View Detail Information
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Product Specification
| Delivery Time | 5--15 working days | Flange Standard | PN10/16, Class150#, Class300#, JIS5K, JIS10K |
| Flange Material | Carbon steel, SS304, SS316 | Company Type | Factory |
| Power | Manual | Applicable Media | Air, Water, Oil, Weak Acid and Alkali |
| Material Of Flange | Q235, SS304, SS316, SS316L | Working Temperature | -20℃~150℃ |
| Packaging Details | carton or wooden | Product Drawings | Offer |
| Material | EPDM,NBR,NR, CR, FKM | Main Frame | Nylon Cord Fabric |
| Head Code | Round | Color | Black |
| Businese Type | Rubber expansion joints manufacturer | Axial Displacement | 6-18 mm |
| Payment Terms | Western Union,T/T,L/C,D/A,D/P,MoneyGram | Product name | Rubber Expansion Joint Standard High Pressure Resistant In Piping Customized |
| Size | DN50 | Warranty | 12 months |
| Application | Pipeline systems | Keyword | Rubber Expansion Joint Standard |
| Standard | DIN/ANSI/JIS/BS | Temperature Rating | 200°F |
| Supply Ability | 10000 sets per week | OEM/ODM | for 20 Year's Experience |
| Connection Type | Flanged | Surface Treatment | Cold Galvanized |
| Standard Of Flange | ANSI, DIN, JIS, EN, etc | Warranty Time | 12 months |
| In Stock | 20000 | Rubber Joint Material | EPDM,NBR,CR,PTFE,etc. |
| Operating Medium | Water, Oil, Air, Chemicals | Installation Manual | offer |
| Feature | Small Volume | Shape | Round |
| Oem | Yes | Nominal Diameter | 32mm - 1800mm |
| Deflection Angle | 10° - 15° | Resistance | Corrosion and abrasion resistant |
| Customized Support | OEM, ODM | Model Number | RLJS |
| Place of Origin | China | Brand Name | JINGNING |
| Certification | CE，ISO | ||
| High Light | PTFE lining rubber expansion loop ，industrial strength rubber expansion joint ，anti-leak flexible coupler for chemical plants | ||
Anti-Corrosion PTFE Lining Rubber Expansion Loop: Industrial Strength Anti-Leak Flexible Coupler for Chemical Plants
Product Description
The Anti-Corrosion PTFE Lining Rubber Expansion Loop is a specialized, industrial-strength fluid control component engineered explicitly for the ultra-safe environments of modern chemical processing plants. Designed to solve the dual challenge of severe chemical corrosion and mechanical pipeline stress, this high-performance flexible coupler integrates a heavy-walled, zero-permeation PTFE (Polytetrafluoroethylene) liner into the core of a ruggedized elastomeric body. The internal PTFE shield completely isolates the outer structural rubber and high-tenacity reinforcement layers from hazardous, aggressive media, eliminating the risk of chemical degradation. Bound securely by heavy-duty metal backing flanges, this flexible loop functions as a vital safety buffer that dampens high-frequency pump vibrations, accommodates structural movements, and prevents catastrophic joint fatigue, delivering a highly reliable, leak-proof piping connection under the most punishing chemical exposures.
Performance characteristics
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
Industrial-strength units are built to a much higher standard regarding material density and reinforcement. They utilize extra plies of high-tenacity synthetic nylon fabric and a thickened PTFE liner that undergo a specialized high-pressure vulcanization process. This ensures the loop can handle severe industrial pressure cycling and dangerous media without blistering, tearing, or fatiguing prematurely.
No, separate gaskets are not required. The PTFE liner extends through the inside of the joint and turns outward over the raised face of the rubber flange. This flared PTFE face creates a built-in, full-coverage gasket. When bolted tightly against your pipeline's mating flange, it forms an immediate, leak-proof, chemical-resistant seal.
The connector utilizes heavy-duty, free-rotating metal backing flanges. Because they spin independently of the rubber body, technicians can line up the bolt holes perfectly without twisting or putting torque on the rubber and PTFE bellows during installation. Furthermore, their thick profile ensures uniform bolt pressure distribution, eliminating localized gaps that cause leaks.
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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