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Wall Cover Series Epoxy Pipe

Wall bushing series,

  • Wall bushing series

The epoxy glass fiber winding tube is made of uninterrupted fiber wet winding. It is specially developed for high-voltage electrical equipment structural components such as reactors, lightning arresters, fuses, transformers, on-load tap-changers, transformers, etc. The product performance parameters meet IEC standards. Requirements, the product is internationally leading.

Product Details

1: winding angle, 45 ~ 65 (can adjust the angle of winding according to different requirements to achieve better mechanical performance requirements);

2: fiber content (weight ratio), 70 to 75%;

3: density, 2.00 g/cm3;

4: water absorption rate, less than 0.03%;

5: axial thermal expansion coefficient, 1.8 E-05 1/K;

6: glass transition temperature, 110 ~ 120 °C;

7: Chemical resistance Mineral oil: Excellent;

8: solvent and dilute acid: excellent;

9: tensile modulus of elasticity, axial 14000 MPa;

10: tensile strength; axial 280 MPa; circumferential direction 600 MPa;

11: Shear strength: 150 MPa;

12: bending strength: axial 350 MPa;

13: compressive strength: axial 240 MPa;

14: Relative dielectric constant 2-3.2;

15: dielectric loss factor 0.003-0.015;

16: partial discharge ≤ 5;

17: Insulation strength: 3 to 6 kV in the axial direction and 10 to 12 kV in the radial direction;

18: Lightning strike: 110 KV;

19: Power frequency shock: 50 KV;

20: Heat resistance grade: B, F, H grade;

21: inner diameter > 5 mm; outer diameter < 300 mm; length < 2000 mm.

     The above data is for reference only, the casing parameters we produce are customized for each customer's needs!

  Our products have been exported to the United States, Germany, South Korea, Japan, Southeast Asia, the United Kingdom, Europe and other countries.

     Our characteristics: We can design various kinds of insulating sleeves with various mechanical properties, heat resistance requirements, corrosion resistance grades, color requirements, turning machining (threads/holes/grooves, etc.) and various smooth finishes on the inner and outer surfaces according to your requirements!




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