U160BSP 160kN Fog Type Toughened Glass Insulator For High-Voltage Transmission

| Company Profile

Stepping onto the expansive production floor of Nanjing Rainbow Electric Co., Ltd. (NJREC), you are immediately greeted by the rhythmic hum of heavy-duty tempering furnaces and the distinct, crisp scent of industrial glass molding. As a premier manufacturer of electrical insulators and transformer bushings, we engineer the critical components that sustain global power infrastructures. Our core focus lies in fabricating highly resilient suspension insulators tailored for rigorous transmission networks and high-capacity substations. Beyond supplying individual units, our facility delivers end-to-end engineering solutions for pad-mounted transformers and specialized wall-mounted configurations. Operating with a substantial annual manufacturing capacity, we maintain the agility to accommodate flexible minimum order quantities (MOQs) tailored to specific project scales. Whether navigating peak infrastructure seasons or standard operational periods, our streamlined production lines guarantee a rapid and stable delivery window of 15 to 30 days. Every toughened glass unit that passes through our automated assembly stations carries our dedication to uninterrupted grid stability, ensuring that electrical energy traverses vast, unforgiving terrains safely and efficiently.

|  Product Introduction

✔  Core Structural Precision  – Designed as a heavy-duty suspension structure featuring a standardized Spherical Type (ball and socket) coupling mechanism. The distinct, translucent glass profile not only aids in rapid visual inspection but also allows procurement engineers to readily match component specifications with complex grid engineering blueprints.
✔  Advanced Pollution Resistance  – Sculpted with an aerodynamic fog-type profile specifically engineered for medium to heavily contaminated regions. The ultra-smooth, non-porous glass exterior actively repels industrial particulate matter and coastal salt spray, drastically lowering the frequency of manual tower maintenance.
✔  Dynamic Self-Cleaning Mechanism  – The precisely calculated angles of the dielectric sheds encourage rapid rainwater runoff. This continuous washing action strips away accumulated grime, preserving optimal electrical resistance even during prolonged periods of drought.
✔  Instant Zero-Value Detection  – In the highly unlikely event of an internal fault, the tempered shell is engineered to shatter completely into safe, visible fragments. This built-in visual diagnostic eliminates the need for technicians to scale towers with testing equipment, heavily reducing labor expenditures and inspection timelines.
✔  Fortified Mechanical Integrity  – Forged from thermally toughened glass integrated with a galvanized steel-reinforced pin and cap. This heavy-duty assembly absorbs relentless mechanical tension, extreme wind loads, and heavy ice accumulation without compromising structural stability.
✔  Climatic Resilience  – Formulated to operate flawlessly across severe temperature swings from -40°C to +60°C. The inorganic glass matrix is completely immune to ultraviolet degradation and acidic rainfall, securing absolute insulation reliability in arid deserts or corrosive coastal zones.
✔  Lifecycle Economic Value  – Extensive accelerated aging protocols and decades of field deployment confirm a stable operational lifespan exceeding 35 years. This virtually maintenance-free endurance significantly compresses the total cost of ownership for utility operators.

Nanjing Rainbow Electric Co. is committed to delivering insulators that not only meet strict technical requirements but also actively enhance the safety, visual inspectability, and overall transmission efficiency of your power grid systems.

|  Data Sheet

| Support Custom

Every large-scale transmission project introduces unique topographical and electrical challenges that demand precise engineering responses. Our dedicated technical team supplies expert selection guidance based on your site’s exact Equivalent Salt Deposit Density (ESDD) parameters, ensuring optimal defense against pollution-induced flashovers. Moving beyond standard catalog offerings, we provide deep OEM and ODM manufacturing capabilities. Whether your network dictates non-standard voltage thresholds, custom creepage distance extensions, or specific metal fitting modifications, our engineers work in tandem with your project managers to forge the perfect fit. To further facilitate smooth procurement cycles, we implement a highly transparent, tiered pricing structure based on procurement volume, ensuring cost-efficiency for massive grid expansions. Additionally, we support a variety of secure, mainstream international payment methods, including Telegraphic Transfer (T/T) and Letter of Credit (L/C), providing financial flexibility and security from the initial consultation through to final deployment.

| Factory Pictures

The genesis of our U160BSP toughened glass insulators relies on a meticulously calibrated, fully automated production ecosystem. Standing on the factory floor, you can feel the intense, radiating heat of the tempering furnaces, a critical stage where the glass matrix achieves its superior internal stress distribution and unmatched mechanical resilience. Following this thermal conditioning, precision automated dispensers inject specialized industrial cement, bonding the heavy-duty galvanized metal fittings to the glass shell. The subtle, earthy scent of curing cement permeates the assembly zone as each unit locks into its permanent structural alignment. Underpinning this entire physical process is our unwavering commitment to operational excellence; our facility operates under strict ISO9001 Quality Management and ISO14001 Environmental Management system certifications. Before any batch is cleared for dispatch, every single insulator is subjected to 100% visual scrutiny and punishing thermomechanical stress tests. This rigorous environment guarantees a component that provides unyielding mechanical support and electrical isolation for the world's most demanding power distribution networks.

| Product Applications

1. High - Voltage Power Transmission

Engineered specifically to suspend massive conductor cables across vast distances, these units deliver absolute dielectric isolation in high-voltage infrastructure. They consistently outperform conventional alternatives that frequently degrade under sudden voltage surges, thereby safeguarding the continuous flow of electricity and preventing costly systemic blackouts across regional grids.

2. Complex Electrical Installations

Perfectly suited for intricate switching stations and heavy-duty electrical driving setups that demand immense mechanical load-bearing capabilities. These toughened components provide a rigid, unyielding foundation that prevents structural sagging, ensuring highly stable configurations for both sprawling industrial manufacturing plants and dense urban network expansions.

3. Severe-Weather Line Support

Built to endure extreme vertical sheer and horizontal tension loads over decades of exposure. Unlike inferior alternatives that succumb to micro-cracking or catastrophic failure under the weight of severe ice storms or gale-force winds, our glass insulators maintain their structural geometry. This resilience drastically reduces the need for emergency dispatch crews in hazardous weather conditions.

4. Versatile Hardware Adaptation

Featuring universally standardized cap-and-pin coupling dimensions, these units integrate flawlessly into existing overhead lines utilizing porcelain, polymer, or composite insulators. They readily accept conventional ball-and-socket or clevis-and-tongue hardware fittings, granting procurement teams immense flexibility. This universal compatibility accelerates rapid grid modernization and emergency replacement projects without requiring specialized adapter brackets.

Choose Nanjing Rainbow Electric Co. for reliable, durable, and cost-effective solutions that strictly comply with international standards, perfectly meeting the complex needs of expanding modern infrastructures.

| Products Packages

Safeguarding heavy, structurally vital glass components during turbulent international transit requires an uncompromising approach to industrial packaging. We lock each production batch of our toughened glass insulators inside heavily reinforced, multi-layered wooden crates designed to absorb severe kinetic impacts. As these crates are sealed, the distinct aroma of fresh timber and heavy-duty protective wax fills the shipping bay, signaling the application of a custom-fitted, shock-absorbing inner lining that isolates every individual glass shell from harmonic vibrations. To ensure global delivery is as efficient as our product performance, our logistics department fully supports a comprehensive range of international trade terms, including FOB, CIF, and EXW. This meticulous export-grade packaging strategy, combined with our mastery of cross-border freight logistics, guarantees a zero-breakage rate during long-haul ocean voyages and complex overland transport. Your critical project materials will arrive at the staging ground in pristine, ready-to-install condition, strictly adhering to your construction schedule.

| Testing Quality

Absolute reliability in critical grid infrastructure leaves zero room for assumption; it demands exhaustive, empirical verification. Every single production run undergoes a brutal battery of evaluations to ensure strict compliance with IEC, ANSI, and other dominant international electrotechnical frameworks. Our uncompromising quality control protocol subjects random samples to destructive mechanical failing load tests, where immense hydraulic pressure attempts to pull the metal fittings apart. We also execute steep-front impulse voltage strikes to simulate direct lightning hits, alongside intense thermal shock cycles that plunge heated glass into freezing water to verify structural integrity. We supply comprehensive, transparent factory testing reports and maintain indelible batch traceability for every unit that leaves our docks. This rigorous physical verification process guarantees that our insulators easily bypass regulatory entry barriers for global power projects, delivering proven, unquestionable safety and long-term electrical stability.

| Our Customers

Earning the sustained trust of the world's most demanding grid operators and utility contractors requires more than just a superior physical product; it demands transparent engineering dialogue and proven field reliability. Our heavy-duty electrical components currently form the backbone of critical infrastructure projects across multiple continents, successfully enduring the harshest environmental extremes. We have established a formidable export track record, delivering massive shipments to highly regulated markets in North America, while simultaneously powering rapid infrastructure developments across the scorching deserts of the Middle East and Africa, as well as the ultra-humid, typhoon-prone coastal stretches of Southeast Asia. By prioritizing long-term operational value, maintaining strict adherence to localized international standards, and providing highly responsive technical support, we have forged enduring, strategic partnerships with leading energy authorities worldwide. We remain dedicated to ensuring their vast networks remain powered safely, efficiently, and continuously, year after demanding year.