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90° Long Radius Elbow Insulation by Aohuan - Quality Pipe Fittings from China Suppliers and Factory
Installation Video
Product Reference
According to the pipe diameter and insulation thickness and bending radius in the field, select the corresponding model in the following table.
Special models need to send an email to contact the manufacturer to customize.
3. Colour:
Specifications
| Pipe diameter | Insulation thickness | Inch | D(mm) | A(mm) |
|---|---|---|---|---|
| 125 | 20 | 5 | 173 | 127 |
| 150 | 20 | 6 | 199 | 152 |
| 200 | 20 | 8 | 259 | 203 |
| 250 | 20 | 10 | 313 | 254 |
| 300 | 20 | 12 | 365 | 305 |
| 350 | 20 | 14 | 417 | 356 |
| 400 | 20 | 16 | 466 | 406 |
| Pipe diameter | Insulation thickness | Inch | D(mm) | A(mm) |
|---|---|---|---|---|
| 125 | 30 | 5 | 193 | 127 |
| 150 | 30 | 6 | 219 | 152 |
| 200 | 30 | 8 | 279 | 203 |
| 250 | 30 | 10 | 333 | 254 |
| 300 | 30 | 12 | 385 | 305 |
| 350 | 30 | 14 | 437 | 356 |
| 400 | 30 | 16 | 486 | 406 |
| Pipe diameter | Insulation thickness | Inch | D(mm) | A(mm) |
|---|---|---|---|---|
| 125 | 40 | 5 | 173 | 127 |
| 150 | 40 | 6 | 199 | 152 |
| 200 | 40 | 8 | 259 | 203 |
| 250 | 40 | 10 | 313 | 254 |
| 300 | 40 | 12 | 365 | 305 |
| 350 | 40 | 14 | 417 | 356 |
| 400 | 40 | 16 | 466 | 406 |
| Pipe diameter | Insulation thickness | Inch | D(mm) | A(mm) |
|---|---|---|---|---|
| 150 | 50 | 6 | 259 | 152 |
| 200 | 50 | 8 | 319 | 203 |
| 250 | 50 | 10 | 373 | 254 |
| 300 | 50 | 12 | 425 | 305 |
| 350 | 50 | 14 | 477 | 356 |
| Pipe diameter | Insulation thickness | Inch | D(mm) | A(mm) |
|---|---|---|---|---|
| 150 | 60 | 6 | 279 | 152 |
| 200 | 60 | 8 | 339 | 203 |
| 250 | 60 | 10 | 393 | 254 |
| 300 | 60 | 12 | 445 | 305 |
| 350 | 60 | 14 | 497 | 356 |
Technical Support
Aohuan provides insulation and external protection not only with high-quality composite PVC external protection system material products, but also with its rich experience in the market of installation and application of insulation external protection and advanced application programs.
Choose the most suitable thermal insulation and external protection system based on the specific working conditions
Technical Reform of Existing Thermal Insulation and External Protection
A brand-new tailored heat preservation and exterior protection product with special-shaped structure
Product Maintenance Training
Physical Property
| Performance | Basis of testing | Testing result |
|---|---|---|
| flame | ASTM E84 | ≤25 |
| Smog | ASTM E84 | ≤50 |
| Specific gravity | ASTM 792 | 1.46 |
| Anti-swelling strength | ASTM D638 | 7.000(@yield lb∕㏑²) |
| Tensile capacity | ASTM D638 | 400.000(PSI) |
| Pendulum impact | ASTM D256 | 15.0(ft.1b.in) |
| Aging property | ASTM E96 | 0.03(@0.30〞) |
| conductivity | ASTM D257 | Nil |
| Anaerobic index | GB /T2406.2-2009 | 33.1% |
| Service life | Actual life of use | > 10 years |
Area of application
Aohuan composite PVC-based material forming and exterior protection materials can be widely applied in commercial, industrial and civil both indoor and outdoor; The exterior protective material of composite PVC base material is suitable for various pipelines and equipment exterior protective systems with temperature ranging from – 37 ℃ to 260 ℃ , but the exterior surface temperature of insulation layer is lower than 66 ℃ (the national standard is lower than 50 ℃ ).
Microelectronics, Photovoltaic, Food, Beverage, Light Industry,
Biopharmaceutical, Commercial, Civil Building, Oil Drilling Platform
External Insulation of Petroleum, Chemical Industry, Newly Built and Reconstructed Industrial Workshops and Tanks
Frequently Asked Questions (FAQ)
How do I select the correct model for my pipeline?
You should select the corresponding model from our Product Reference tables based on your pipe diameter, insulation thickness, and bending radius in the field. For customized or special models, please contact the manufacturer by email.
What is the applicable temperature range for Aohuan PVC external protection systems?
The systems are suitable for pipeline and equipment protection within a temperature range of -37 ℃ to 260 ℃. However, the exterior surface temperature of the insulation layer must remain below 66 ℃ (national standard is lower than 50 ℃).
What industries commonly use Aohuan composite PVC external protection materials?
They are widely used in microelectronics, photovoltaics, food & beverage, light industry, biopharmaceuticals, commercial and civil buildings, oil drilling platforms, and chemical industries.
What kind of technical support does Aohuan provide?
We offer thermal insulation system selection assistance, technical reform of existing systems, design of tailored protective products for special-shaped structures, and product maintenance training.
What fire safety standards do your materials meet?
Our materials meet ASTM E84 testing standards with a flame index of ≤25 and a smoke index of ≤50, ensuring excellent flame retardancy.
What is the expected service life of these PVC protective materials?
Based on actual use conditions and aging performance tests, the service life of our composite PVC external protection systems exceeds 10 years.



