Discount Price 33kv Glass Insulator - High Voltage 160kn Disc Suspension Toughened Glass Insulator U160B – Johnson
Discount Price 33kv Glass Insulator - High Voltage 160kn Disc Suspension Toughened Glass Insulator U160B – Johnson Detail:
Product Design Drawings
Product Description
| IEC designation | U160B/146 | U160B/155 | U160B/170 | |
| Diameter D | mm | 280 | 280 | 280 |
| Height H | mm | 146 | 155 | 170 |
| Creepage distance L | mm | 400 | 400 | 400 |
| Socket coupling | mm | 20 | 20 | 20 |
| Mechanical failing load | kn | 160 | 160 | 160 |
| Mechanical routine test | kn | 80 | 80 | 80 |
| Wet power frequency withstand voltage | kv | 45 | 45 | 45 |
| Dry lightning impulse withstand voltage | kv | 110 | 110 | 110 |
| Impulse puncture voltage | P.U | 2.8 | 2.8 | 2.8 |
| Power frequency puncture voltage | kv | 130 | 130 | 130 |
| Radio influence voltage | μv | 50 | 50 | 50 |
| Corona visual test | kv | 18/22 | 18/22 | 18/22 |
| Power frequency electric arc voltage | ka | 0.12s/20Ka | 0.12s/20Ka | 0.12s/20Ka |
| Net weight per unit | kg | 6.7 | 6.6 | 6.7 |
Product Definition
Glass insulators an insulator made of tempered glass. Its surface is in the state of compression prestress, such as crack and electrical breakdown, glass insulator will break into small pieces, commonly known as “self-explosion”. This feature eliminates the need for “zero value” detection of glass insulators during operation.
The glass insulator is the crystallization of the combination of glass and insulator. Because of the characteristics of glass compared with electric porcelain, glass insulators have better stability in electrical and mechanical characteristics, and their transparency makes it easy to check the damage during operation, so that the regular electrified preventive test for insulators is cancelled. The electrical strength of glass generally remains the same throughout its operation, and its aging process is much slower than that of porcelain. Therefore, glass insulators are mainly abandoned due to self-damage, which occurs within the first year of operation, whereas the defects of porcelain insulators begin to be discovered only after several years of operation.
This standard specifies the general technical requirements, selection principles, inspection rules, acceptance, packaging and transportation, installation and operational maintenance, and operational performance testing for ac overhead line insulators with nominal voltages above 1000V.
This standard is applicable to disk-type suspended porcelain and glass insulators (insulators for short) used in ac overhead power lines, power plants and substations with nominal voltage above 1000Y and frequency 50Hz. The altitude of the installation site must be lower than 1000m, and the ambient temperature must range from -40 ° c to +40 ° c. 2 Normative reference files
Product scenario application
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As a way to ideal meet up with client's desires, all of our operations are strictly performed in line with our motto "High Top quality, Competitive Cost, Fast Service" for Discount Price 33kv Glass Insulator - High Voltage 160kn Disc Suspension Toughened Glass Insulator U160B – Johnson, The product will supply to all over the world, such as: Slovak Republic, Lyon, Vietnam, We have been sincerely looking forward to cooperate with customers all over the world. We believe we can satisfy you with our high-quality products and solutions and perfect service . We also warmly welcome customers to visit our company and purchase our products.
By Martin Tesch from Colombia - 2017.06.22 12:49
We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.
By Octavia from Ghana - 2018.05.15 10:52
