Changsha Power Electric Co.,Ltd.
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Easy install Line Post Porcelain Insulator ANSI C29.7 F neck / light gray
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) | |||||
| 57-4 | 1015 | 368 | 12.5 | 140 | 110 | 230 | 44 |
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.
Competitive advantages:
1. Our insulators ensure good profit margin and flexibility along with excellent apprearance and quality.
2. We can supply insulators according to IEC standards, ANSI standards,BS standards or customer specifications.
3. porcelain glaze can be made as colour brown, light gray ,white or blue.
Pre-sales service:
Choose the proper reactor type
Installation recommendations and to provide technical information
Satisfied users of the special design requirements
After-sales service:
Offer professional equipment installation instructing
Provide spare parts for wearing parts(such as post insulator, bolt, etc.)