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Home > Products > Glass Insulator > Anti-Pollution Type
Professional U160BLP Toughed Glass Insulator for High Voltage Transmission and Distribution
The 160kN anti-pollution glass insulator is a high-strength insulating device used in high-voltage transmission lines, offering excellent pollution flashover resistance, high mechanical strength, and long-term stability. It is particularly suitable for polluted environments (e.g., industrial areas, coastal regions).
Product Overview



Structure and materials

Material characteristic
High-strength tempered glass is used, and its mechanical properties and resistance to thermal shock are improved through a heat treatment process.It features a smooth surface with strong hydrophobic properties, making it difficult for dirt to adhere, and it exhibits excellent anti-pollution performance.Zero-value self-explosion characteristic: If the glass insulator loses its insulation capability due to a fault, the umbrella disc will automatically burst, allowing operation and maintenance personnel to quickly identify the fault location.Metal accessories
Cap&foot: Manufactured from hot-dip galvanized steel or aluminum, offering corrosion resistance, and securely bonded to the glass umbrella tray using cement adhesive.Locking pin: A standardized design ensures a reliable connection for the insulator string.Umbrella skirt design
The structure employs a large climbing distance anti-fouling umbrella skirt, featuring wide spacing between the umbrellas and a deep umbrella edge. This design effectively increases the creepage distance (typically ≥ 450mm) and suppresses arc and pollution flashover.The umbrella shape has been optimized to prevent rainwater from forming continuous lines, thereby improving the wet flashover voltage.
key parameters
Domestic designation | U160BMP | U160BMP1 | U160BSP | U160BLP | U160BLP1 | |
QOCI Type | UG160B155/450H | UG160B170/450H | UG160B146/550H | UG160B170/550H | UG160B155/550H | |
Mechanical failing load | kN | 160 | 160 | 160 | 160 | 160 |
Nominal Diameter D | mm | 280 | 280 | 320 | 320 | 320 |
Nominal Spacing P | mm | 155 | 170 | 146 | 170 | 155 |
Creepage distance L | mm | 450 | 450 | 550 | 550 | 550 |
Socket coupling | mm | 20 | 20 | 20 | 20 | 20 |
Wet power frequency withstand voltage | kv | 50 | 50 | 55 | 55 | 55 |
Dry lightning impulse withstand voltage | kv | 125 | 125 | 140 | 140 | 140 |
Power frequency puncture voltage | kv | 130 | 130 | 130 | 130 | 130 |
Radio interference voltage(10kV 1MHz) | μv | 50 | 50 | 50 | 50 | 50 |
Corona visual test P/C | kv | 18/22 | 18/22 | 18/22 | 18/22 | 18/22 |
Power frequency electric arc voltage | ka | 0.12S/20kA | 0.12S/20kA | 0.12S/20kA | 0.12S/20kA | 0.12S/20kA |
Impulse puncture voltage | P.U | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 |
Net weight per unit | kg | 7.1 | 7.2 | 9.4 | 9.6 | 9.5 |




