Changsha Power Electric Co.,Ltd.
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Energy Efficiency Line Post Porcelain Insulator For Overhead Transmission Lines
Descriptions:
The insulators shall be made of good commercial-grade wet-process porcelain.The entire surface of the insulator, with the exception of a firing surface, shall be glazed.If gray is required, it shall be in accordance with ANSI Z55.1-1967 (R1973). Metal parts shall be made of a good commercial grade of malleable iron, ductile iron, steel, or aluminum. Ferrous parts, other than stainless steel, shall be galvanized in accordance with ASTM A153.
Specifications:
| ANSI CLASS | Creepage distance (mm) | Dry arcing distance (mm) | cantilever strength (kN) | Lower frequency flashover voltage(kV) | Critical impulse flashover voltage | Test voltage to ground (kV) | |
| Dry | Wet | Positive(kV) | |||||
| 57-6 | 1364 | 489 | 12.5 | 180 | 150 | 300 | 44 |
Features:
1. High strength
2. Competitive price and prompt delivery
3. High voltage application
4. Material: Porcelain
5. ANSI Approve
Competitive advantages:
1.
Timely delivery
Twenty four hours on-line service
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