Customerized transmission line post porcelain insulator 11KV / no glaze body
Descriptions:
| ANSI CLASS | Creepage distance (mm) | Dry arcing distance (mm) | cantilever strength (kN) | Lower frequency flashover voltage | Critical impulse flashover voltage | Test voltage to ground (kV) | |
| Dry(kV) | Wet(kV) | Positive(kV) | |||||
| 57-2 | 559 | 241 | 12.5 | 100 | 70 | 160 | 22 |
1. Line post insulators shall conform in all respects to the requirements of ANSI standard.
2. 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).
3. 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.
Features:
1. High strength
2. Competitive price and prompt delivery
3. High voltage application
4. Material: Porcelain
5. ANSI Approve
Competitive advantages:
Small volume light weight
Stainless steel flange low magnetic inductivity high resistivity.
Convenient transportation and flexible installation.
Low loss
Low temperature rise
High mechanical strength, strong weather ability.
Outstanding crack resistance.
Low thermal expansion coefficient
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