70kN High Voltage Porcelain Insulator U70B
70kN Standard Disc Suspension Porcelain Insulator U70B
The U70B 70kN standard disc suspension porcelain insulator is a popular choice in both the Chinese market and international markets including Bangladesh, Vietnam, Iran, and Algeria. Jiangxi Huayao Electric Co., Ltd specializes in manufacturing this insulator, with a daily output of 10,000 units.
Classification of Porcelain Insulators
- Cap Insulator: Features a circular or cap-shaped insulation part, widely used in power system equipment connections, offering excellent insulation protection.
- Disc Insulator: Known for its disc-shaped insulating part, commonly utilized in high-voltage equipment. Its structure increases creepage distance and improves insulation performance.
- String Insulator: Composed of multiple insulator units connected in series, enhancing electrical insulation strength to meet high-voltage line requirements.
Main Technical Parameters
| Model | Diameter D (mm) | Spacing H (mm) | Creepage Distance L(mm) | Size of Coupling (mm) | Mechanical Failing Load (kN) | Power Frequency Withstand Voltage DRY (kV) | Power Frequency Withstand Voltage WET (kV) | Lighting Impulse Withstand Voltage (kV) |
|---|---|---|---|---|---|---|---|---|
| U70B/146 | 255 | 146 | 320 | 16 | 70 | 70 | 40 | 100 |
Product Details
- Material: Porcelain
- Application: High voltage insulation for transmission lines
- Rated Voltage: 33kV
- Color: Brown/White
Production Process
Jiangxi Huayao Electric Co., Ltd follows a meticulous production process for porcelain insulators:
- Mix raw materials
- Form blank shape
- Drying
- Glazing
- Firing in kiln
- Glue assembly
- Conduct routine and other tests
- Package finished products
Packing and Shipping
- Minimum Order Quantity: 10 pieces
- Packaging Details: Normal export packaging
- Supply Ability: 50,000 pieces per month
- Delivery Port: Ningbo, Shanghai
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