140kV Electric Pole Glass Insulators ANSI Standards For Modern Power Systems
Next Generation High Strength Standard Glass Insulator for Modern Power Systems Tailored for the upgraded infrastructure of today's utility networks, this cutting-edge glass insulator redefines durability standards for overhead transmission. It ensures optimal dielectric isolation, effectively ...
140kV colored glass insulators
,ANSI Standards colored glass insulators
,140kV electric pole glass insulators
Next Generation High Strength Standard Glass Insulator for Modern Power Systems
Data Sheet
| Standard Type | Spacing(mm) | Diameter (mm) | Creepage Distance(mm) | Standard Coupling | Mechanical Faiing Load(kN) |
| U40B | 110 | 175 | 190 | 11 | 40 |
| U70BS | 127 | 255 | 320 | 16 | 70 |
| U70BL | 146 | 255 | 320 | 16 | 70 |
| U100BS | 127 | 255 | 320 | 16 | 100 |
| U100BL | 146 | 255 | 320 | 16 | 100 |
| U120B | 146 | 255 | 320 | 16 | 120 |
| U120BS | 127 | 255 | 320 | 16 | 120 |
| U160BL |
170 |
280 | 400 | 20 | 160 |
| U160BM | 155 | 280 | 400 | 20 | 160 |
| U160BS | 146 | 280 | 400 | 20 | 160 |
| U210B | 170 | 280 | 400 | 20 | 210 |
| U240B | 170 | 280 | 400 | 24 | 240 |
| U300B | 195 | 330 | 490 | 24 | 300 |
| U420B | 205 | 380 | 550 | 28 | 420 |
| U550B | 240 | 380 | 620 | 32 | 550 |




The production journey for standard glass insulators starts with the precise proportioning and high-temperature fusion of silica sand with complementary mineral ingredients. This molten glass is injected into precision molds under pressure, forming the characteristic insulator profile. The shaped units immediately undergo thermal tempering—a controlled rapid cooling process that induces permanent compressive stress across the exterior surface. This critical treatment dramatically enhances mechanical resilience and guarantees that any failure yields only small, non-hazardous fragments. Following rigorous thermal shock evaluation and optical examination to identify latent imperfections, the approved glass components are permanently bonded to galvanized steel caps and malleable iron pins using industrial-grade cement. Final verification includes comprehensive mechanical proof-loading and dielectric withstand testing to validate operational integrity prior to packaging.
