High-Strength Flanged Gate Valve Covers from China Factory - Reliable Suppliers for Industrial & Commercial Applications
Installation Video
Product Reference
- A ---- Company brand
- F ---- flange gate valve fitting Covers
- 20 ---- Mold number
Specifications
| 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
- 1 Choose the most suitable thermal insulation and external protection system based on the specific working conditions
- 2 Technical Reform of Existing Thermal Insulation and External Protection
- 3 A brand-new tailored heat preservation and exterior protection product with special-shaped structure
- 4 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
- 1 Microelectronics, Photovoltaic, Food, Beverage, Light Industry
- 2 Biopharmaceutical, Commercial, Civil Building, Oil Drilling Platform
- 3 External Insulation of Petroleum, Chemical Industry, Newly Built and Reconstructed Industrial Workshops and Tanks
Frequently Asked Questions
What is the temperature range for Aohuan composite PVC protective materials?
Aohuan composite PVC base materials are suitable for various pipeline and equipment exterior protective systems with temperatures ranging from –37 ℃ to 260 ℃. However, the exterior surface temperature of the insulation layer must remain lower than 66 ℃ (with the national standard being lower than 50 ℃).
Can I order custom sizes or special models for the PVC covers?
Yes. For special models or custom requirements, please send an email directly to contact the manufacturer to customize the structures according to your needs.
What industries are Aohuan PVC-based forming materials suitable for?
These materials can be widely applied in commercial, industrial, and civil projects (both indoor and outdoor). Key industries include Microelectronics, Photovoltaic, Food, Beverage, Light Industry, Biopharmaceutical, Commercial/Civil Buildings, Oil Drilling Platforms, as well as Petroleum and Chemical industries.
What are the fire performance and service life ratings of the material?
Based on testing, the material meets ASTM E84 standards with a Flame spread index of ≤25 and a Smog index of ≤50. The actual service life of the material is rated at over 10 years.
What technical support services does Aohuan offer?
Aohuan provides comprehensive technical support including: choosing the most suitable thermal insulation and external protection system based on specific working conditions, technical reforms of existing systems, custom design for special-shaped structures, and product maintenance training.