Explore our premium line of toughened suspension glass and porcelain insulators, engineered to exceed international grid standards.
As global energy sectors undergo rapid decarbonization, power grid infrastructure demands unprecedented mechanical resilience and electrical integrity. Toughened glass insulators represent the frontline defense for modern distribution and transmission systems.
Integrating large-scale wind, solar, and hydro energy requires extending transmission corridors across remote, hostile topographies. Our U100BLP glass insulators secure high-voltage AC/DC lines over mountain passes, coastal corridors, and desert basins, facilitating loss-free energy transit.
Overhead transmission at UHV (750kV+) and EHV levels increases mechanical strain and pollution-induced flashover risks. The U100BLP design offsets extreme mechanical loads up to 100kN while maintaining stable insulation performance under surge voltages.
Unlike porcelain insulators where micro-cracks remain invisible, toughened glass shell automatically shatters into safe fragments upon electrical puncture or structural defeat, leaving the mechanical core intact. This allows aerial patrol crews to pinpoint damage instantly, minimizing maintenance downtime.
Jiangxi QOCI Electric Co. Ltd is a premier manufacturer specializing in high-strength toughened glass insulators. Based in the Industrial Park of Luxi County, Pingxiang, Jiangxi Province, our state-of-the-art facilities cover an expansive area of over 70,000 square meters. Powered by a registered capital of 508 million Yuan, we have pioneered the localized development of green energy transmission solutions.
Our commitment centers on engineering high-integrity insulation solutions capable of withstanding extreme global environments. By actively participating in the expansion of high-voltage transmission networks, we safeguard grids against system failures, ensuring uninterrupted power delivery.
Our products are engineered in multiple geometries. Each profile resolves distinct environmental, mechanical, and aerodynamic challenges.
Designed with shallow, wide-spaced ribs that promote natural self-cleaning via wind and rain precipitation. Features leakage distances exceeding standard values designated under IEC 60305. Recommended for general-purpose overhead transmission lines.
Characterized by deep, widely-spaced under-ribs that prevent the accumulation of conductive saltwater films. This design avoids bridging between adjacent ribs, exhibiting a high leakage distance to spacing ratio (approx. 3.2), vital for coastal regions.
Eliminates under-ribs completely, maximizing outer shell diameter. Useful in desert zones where blowing sand can build up in deep ribs. This open layout prevents the build-up of dry contaminants and mitigates ice-bridging issues.
Utilizes dual external ribs to reduce pollution build-up. The simplified bottom profile supports fast manual cleaning and natural rainwater washing. Provides creepage distances equal to traditional anti-pollution insulators, perfect for heavy industrial smog zones.
Features three distinct layers of overlapping protective discs. Extends total creepage distance, ensuring peak flashover protection in high-altitude, extremely humid, or ultra-high voltage (UHV) systems.
Toughened glass units coated in-factory with Room Temperature Vulcanization (RTV) silicone. This coating provides high surface hydrophobicity, minimizing leakage currents and eliminating the need for periodic manual washing.
The U100BLP suspension glass insulator is designed for maximum performance in coastal, industrial, and high-contamination areas. Below are the design parameters and compliance matrices for our anti-pollution series.
| Insulator Model | Spacing / Height (mm) | Shell Diameter (mm) | Creepage Distance (mm) | Electromechanical Strength (kN) | Standard Compliance |
|---|---|---|---|---|---|
| U100BLP (146/280/450) | 146 | 280 | 450 | 100 | IEC 60305 / IEC 60383 |
| U100BLP (146/320/550) | 146 | 320 | 550 | 100 | IEC 60305 / ANSI C29.2B |
| U70BLP (146/280/450) | 146 | 280 | 450 | 70 | IEC / GB/T 7253 |
| U120BLP (146/320/550) | 146 | 320 | 550 | 120 | IEC 60305 / EN 60305 |
| U210B (IEC Standard) | 170 | 320 | 550 | 210 | IEC Standard / DIN |
Our products are high-strength glass insulators used in low voltage, high voltage, ultra-high voltage, extra-high voltage AC (DC) electric transmission lines.
Designed for installation in high-altitude environments, heavy ice loading zones, and coastal sea corridors facing constant wind exposure.
Engineered to support ultra-high voltage (UHV) and extra-high voltage (EHV) AC/DC overhead lines with minimal corona loss.
Supports critical strain and suspension positions, withstanding dynamic wind loads and sub-zero temperatures.
Suited for heavy chemical plants, industrial processing corridors, mining complexes, and high-salinity marine environments.
Our facility utilizes automated raw material mixing, high-temperature oxygen kilns, and multi-stage mechanical testing lines to ensure defect-free production.
Engineered for extreme performance in demanding overhead transmission lines.
QOCI maintains compliance across international markets, adhering to ISO 9001, ISO 14001, and ISO 45001 standards. Our technical roadmap highlights our path forward in insulator research and manufacturing.
Implementing high-efficiency, natural gas oxy-fuel melting furnaces reduces overall carbon footprints by 25% while improving glass batch homogeneity for better mechanical strength.
All batches undergo routine power-frequency spark testing, mechanical pull testing, and thermal cycle testing prior to packing.
Developing built-in sensor technology for online insulator string leakage current monitoring, enabling predictive maintenance on smart high-voltage transmission lines.
Find answers to common technical queries regarding toughened glass insulators, U100BLP models, and high-voltage transmission line applications.
Stay informed about our latest technical developments, global exhibitions, and project partnerships.
Having withstood extreme environmental conditions including icing, high altitude, pollution, earthquakes, and typhoons, our toughened glass line proves its reliability in international grid projects.
Jiangxi QOCI Electric Co. Ltd presented its latest high-voltage insulation systems at the IEEE PES T&D Conference, showcasing our U100BLP design to North American and global partners.
Select from our range of standard, fog-type, and aerodynamic suspension insulators to meet your mechanical and electrical design specifications.
