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High-Strength Flanged Gate Valve Covers - China Suppliers & Factory for Industrial Applications
Installation Video
Product Reference
1. Example: AF03
- A ---- Company brand
- F ---- flange gate valve fitting Covers
- 20 ---- Mold number
2. Customization Info
Special models need to send an email to contact the manufacturer to customize.
3. Colour
Product Reference Dimensions
| Number | D(mm) | Inch | B(mm) | C(mm) | D(mm) |
|---|---|---|---|---|---|
| AF20 | 219 | 8 5/8 | 290 | 210 | 185 |
| AF21 | 244 | 9 5/8 | 340 | 190 | 215 |
| AF22 | 244 | 9 5/8 | 340 | 190 | 215 |
| AF23 | 273 | 10 3/4 | 380 | 170 | 240 |
| AF24 | 273 | 10 3/4 | 380 | 230 | 240 |
| AF25 | 323 | 12 3/4 | 405 | 230 | 265 |
| AF26 | 323 | 12 3/4 | 405 | 255 | 265 |
| AF27 | 355 | 14 | 355 | 275 | 300 |
| AF28 | 323 | 12 3/4 | 405 | 290 | 265 |
| AF29 | 355 | 14 | 430 | 310 | 300 |
| AF30 | 381 | 15 | 460 | 310 | 310 |
| AF31 | 457 | 18 | 490 | 405 | 345 |
| AF32 | 508 | 20 | 520 | 430 | 345 |
| AF33 | 508 | 20 | 520 | 430 | 345 |
| AF34 | 584 | 23 | 560 | 530 | 405 |
| AF35 | 635 | 25 | 610 | 635 | 430 |
| AF36 | 762 | 30 | 635 | 710 | 485 |
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
Q: What is the temperature range for Aohuan PVC exterior protection materials?
Aohuan composite PVC base materials are suitable for pipelines and equipment exterior protective systems with temperatures ranging from –37 ℃ to 260 ℃, provided that the exterior surface temperature of the insulation layer remains below 66 ℃ (national standard is lower than 50 ℃).
Q: What technical support services does Aohuan provide?
Aohuan provides comprehensive support including choosing the most suitable thermal insulation system based on working conditions, technical reforms of existing systems, customized products with special-shaped structures, and product maintenance training.
Q: What are the fire and smoke safety ratings of these materials?
Based on ASTM E84 testing standards, the composite PVC material achieves a flame spread rating of ≤25 and a smoke development rating of ≤50.
Q: How long is the service life of Aohuan composite PVC materials?
Based on actual use cases, Aohuan composite PVC-based materials offer a reliable service life of more than 10 years.
Q: Can I get customized models for special pipe structures?
Yes. For special models or custom configurations, you can contact the manufacturer directly via email to request customization options.