Long Leakage Distance Glass Insulators IEC60305 Standard For High Pollution Areas
Long Leakage Distance Anti-Fog Glass Insulators for High Pollution Areas Transmission networks in high pollution areas face constant risk from conductive contaminants that compromise dielectric performance. Our Long Leakage Distance Anti-Fog Glass Insulators deliver reliable operation where ...
Long Leakage Distance Glass Insulators
,Glass Insulators IEC60305 Standard
,IEC60305 Standard glass powerline insulator
Long Leakage Distance Anti-Fog Glass Insulators for High Pollution Areas
Transmission networks in high pollution areas face constant risk from conductive contaminants that compromise dielectric performance. Our Long Leakage Distance Anti-Fog Glass Insulators deliver reliable operation where atmospheric deposits threaten grid stability.
The extended leakage distance configuration increases surface path length significantly, raising flashover voltage thresholds in contaminated environments. This design prevents leakage current propagation across insulator surfaces during fog, mist, and light rain conditions common in industrial zones. Precision thermal tempering produces homogeneous glass structures with uniform density and compressive strength, ensuring consistent electrical performance throughout decades of service.
Each insulator carries a 550kN mechanical rating, supporting heavy conductor loads in long-span configurations typical of pollution-prone transmission routes. The non-porous glass surface resists contaminant adhesion while promoting natural washing during precipitation events. Material transparency allows rapid aerial inspection of in-service units, with impact damage immediately visible from patrol aircraft. These insulators provide utilities with optimal creepage distance for reliable operation in high pollution environments including coastal corridors, chemical processing areas, and regions with persistent industrial fallout.
Data Sheet
| Fog Type | Spacing(mm) | Diameter (mm) | Creepage Distance(mm) | Standard Coupling | Mechanical Faiing Load(kN) |
| U70BLP | 146 | 280 | 450 | 16 | 70 |
| U70BLP1 | 146 | 255 | 400 | 16 | 70 |
| U70BLP2 | 146 | 320 | 550 | 16 | 70 |
| U100BLP | 146 | 280 | 450 | 16 | 100 |
| U100BLP1 | 146 | 255 | 400 | 16 | 100 |
| U100BLP2 | 146 | 320 | 550 | 16 | 100 |
| U120BP | 146 | 280 | 450 | 16 | 120 |
| U120BP1 |
146 |
255 | 400 | 16 | 120 |
| U120BP2 | 146 | 320 | 550 | 16 | 120 |
| U160BMP | 155 | 320 | 550 | 20 | 160 |
| U160BMP1 | 155 | 280 | 450 | 20 | 160 |
| U160BLP | 170 | 320 | 550 | 20 | 160 |
| U160BLP1 | 170 | 280 | 450 | 20 | 160 |
| U160BSP | 146 | 320 | 550 | 20 | 160 |
| U160BSP1 | 146 | 280 | 450 | 20 | 160 |
| U210BP | 170 | 320 | 550 | 20 | 210 |
| U210BPL1 | 170 | 280 | 450 | 20 | 210 |
| U240BP | 170 | 320 | 550 | 24 | 240 |
| U240BP1 | 170 | 280 | 450 | 24 | 240 |
| U300B1 | 195 | 320 | 550 | 24 | 300 |
| U300BP | 195 | 380 | 690 | 24 | 300 |
| U300BP1 | 195 | 380 | 635 | 24 | 300 |
| U420BP | 205 | 380 | 620 | 28 | 420 |
| U550BP | 240 | 390 | 710 | 32 | 550 |
The production of anti-fog glass insulators follows an integrated precision manufacturing flow engineered specifically for contaminated environments. It begins with automated batching of high-purity mineral raw materials, which are melted at 1500+°C into homogeneous glass with uniform dielectric properties.
Through high-speed pressing in temperature-controlled molds, the characteristic anti-fog profile with extended creepage distance is formed in a single operation. A multi-stage annealing process eliminates internal stresses while preserving the structural integrity essential for long-term reliability in polluted conditions. The glass shells then undergo automated assembly with corrosion-resistant malleable iron fittings, where expanding cement and double-sealing polymer systems ensure permanent, maintenance-free bonding.
Every unit passes 100% inline testing – including laser-based dimensional verification of leakage distance, mechanical load validation up to specification limits, and high-voltage flashover performance checks under simulated contamination – before receiving permanent traceability coding and protective packaging for global shipment. This closed-loop process guarantees consistent anti-fog performance in coastal installations, industrial zones, and high-altitude transmission corridors where surface contamination threatens grid reliability.
