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Help CenterTransparent Glass Insulator U70BS 210, Rated for 70kN Mechanical Strength
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As a dedicated manufacturer of high-voltage electrical equipment, Jinhua Dika Electrical Equipment Co., Ltd. is proud to introduce our Transparent Glass Insulator U70BS 210. Engineered for demanding power transmission and distribution networks, this insulator represents a significant advancement in reliability and performance. With a rated mechanical strength of 70kN, it is designed to withstand extreme mechanical loads and harsh environmental conditions, ensuring the uninterrupted flow of electricity. Our commitment to quality, backed by ISO9001 certification, ensures that every unit meets rigorous international standards, providing grid operators and utilities with a component they can trust for long-term, maintenance-free service.
The core of this product's value lies in its combination of superior mechanical integrity and excellent electrical performance. The use of high-quality tempered glass offers distinct advantages over traditional materials like porcelain. Key features and benefits include:
- High Mechanical Strength: The 70kN rating ensures exceptional resistance to tensile and compressive forces, crucial for long-span transmission lines and areas prone to high wind or ice loading.
- Superior Dielectric Properties: The transparent glass provides excellent insulation, preventing flashovers and ensuring stable operation under high voltage.
- Zero Maintenance: Unlike porcelain, glass insulators do not require periodic live-line washing. Any damage is immediately visible (the glass shatters), allowing for easy visual inspection and prompt replacement.
- Long Service Life: Tempered glass is highly resistant to weathering, UV radiation, and chemical corrosion, leading to a significantly longer lifespan with minimal degradation.
- Consistent Performance: The manufacturing process for glass insulators ensures uniform dielectric characteristics and mechanical strength from unit to unit, guaranteeing predictable performance.
- Lightweight Design: Compared to equivalent porcelain units, glass insulators are lighter, reducing the structural load on towers and simplifying installation.
The following table details the primary technical specifications of the U70BS 210 Glass Insulator:
| Parameter | Specification |
| Standard Model | U70BS 210 |
| Rated Mechanical Failing Load (MFL) | 70 kN |
| Insulation Material | Tempered Glass |
| Structure Type | Cap and Pin (Suspension Type) |
| Nominal Disc Diameter | Approx. 210 mm |
| Lightning Impulse Withstand Voltage | Typically exceeds 100 kV |
| Power Frequency Wet Withstand Voltage | Typically exceeds 30 kV |
| Application Voltage Level | Suitable for 66kV to 230kV transmission lines |
Choosing our U70BS 210 insulator translates into tangible benefits for your project:
- Enhanced Grid Reliability: Reduces the risk of unexpected failures, contributing to higher system availability.
- Lower Lifetime Cost: The elimination of washing and reduced inspection needs drastically cut operational expenses.
- Improved Safety: The "shatter" feature provides a clear visual indicator of failure, alerting maintenance crews to a potential hazard.
- Environmental Resilience: Performs reliably in coastal, industrial, and heavily polluted areas where contamination is a concern.
Jinhua Dika Electrical Equipment Co., Ltd. stands behind this product with a solid foundation of manufacturing expertise and global reach. Our annual export value of US$1-1.5 Million and presence in diverse markets including North America, Europe, Southeast Asia, and Africa demonstrate our capability to meet international demands. Sourced from our facilities in Zhejiang, China, and shipped globally via major ports like Shanghai, Tianjin, Guangzhou, and Ningbo, we ensure timely and reliable delivery. Our ISO9001 certified quality management system governs every step of production, guaranteeing that each U70BS 210 insulator delivers the promised 70kN strength and consistent electrical performance. For utilities, contractors, and distributors seeking a durable, low-maintenance, and high-performance insulator for critical transmission infrastructure, this product offers a compelling solution. Contact us today to discuss your specific requirements or to request samples and a detailed quotation.
Frequently Asked Questions (FAQ)
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What is the main advantage of a glass insulator over a porcelain one?
The primary advantages are zero maintenance (no washing required) and easy fault detection. If a glass insulator fails, it shatters completely, making it instantly visible from the ground. Porcelain insulators can fail internally without visible signs. -
Is the U70BS 210 suitable for coastal environments with high salt contamination?
Yes. Tempered glass has excellent resistance to salt fog and chemical pollutants. Its smooth, non-porous surface prevents the accumulation of conductive deposits, making it a preferred choice for coastal and industrial areas. -
What is the typical service life of this glass insulator?
Under normal operating conditions, glass insulators can have a service life exceeding 50 years. Their performance does not degrade over time like some composite materials. -
Can I use a single U70BS 210 disc, or are they used in strings?
Suspension insulators like the U70BS 210 are typically used in strings. The number of discs in a string depends on the system voltage and the required insulation level for the specific transmission line. -
What standards does this product comply with?
The U70BS 210 is manufactured to meet international standards such as IEC 60383 and ANSI C29.2. Specific test reports and certificates are available upon request. -
What is the meaning of the "70kN" rating?
The 70kN (kilo-Newton) rating is the Minimum Failing Load (MFL). It indicates the minimum tensile force the insulator must withstand in a standardized test before mechanical failure. It is a critical parameter for engineering the safety factor of the transmission line. -
Are the metal fittings (cap and pin) galvanized for corrosion protection?
Yes. The steel cap and pin are typically hot-dip galvanized to provide long-term corrosion resistance, ensuring the mechanical integrity of the assembly in outdoor environments. -
Do you offer other mechanical strength ratings or custom configurations?
Yes. As a manufacturer, we produce a range of suspension glass insulators with different MFL ratings (e.g., 120kN, 160kN, 210kN). Custom configurations regarding fitting dimensions or markings may also be available. Please inquire for details.
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