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As a professional manufacturer with over a decade of experience in the electrical equipment industry, Jinhua Dika Electrical Equipment Co., Ltd. is proud to present our Standard-Compliant U70BS 210 Glass Insulators. Engineered for reliability and performance in demanding high-voltage environments, these insulators are a cornerstone for safe and efficient power transmission networks worldwide. Our commitment to quality, underscored by our ISO9001 certification, ensures every unit meets stringent international standards. We combine robust manufacturing with comprehensive technical support, offering solutions that power industries and communities across continents from North America to Southeast Asia.
The U70BS 210 represents a specific class of suspension disc insulator designed for overhead transmission lines. Its primary function is to electrically isolate the live conductor from the supporting tower structure while withstanding significant mechanical loads and environmental stresses. The use of toughened glass as the dielectric material provides distinct advantages in terms of long-term performance and maintenance.
Core Product Features and Technical Advantages:
- Superior Dielectric Strength: The toughened glass shell offers excellent insulating properties, maintaining high electrical resistance even under polluted or humid conditions, which is critical for preventing flashovers and ensuring grid stability.
- Exceptional Mechanical Durability: With a rated mechanical failing load (SML) of 70 kN, the U70BS 210 is built to handle the tensile forces from conductors, wind, and ice loading without compromising integrity.
- Zero Maintenance and Self-Cleaning: Unlike some alternatives, glass insulators do not require periodic washing or coating. Their smooth, impervious surface promotes natural cleaning by rain, reducing long-term operational costs.
- Visual Inspection Capability: Any puncture or major damage to the glass shell is immediately visible, allowing for quick identification of faulty units during routine patrols, enhancing maintenance efficiency and system safety.
- Long Service Life and Stability: The material is inert and resistant to aging from UV exposure and temperature fluctuations, ensuring stable electrical characteristics and a service life that can span decades.
- Standardized Design: The 210 mm insulation distance and overall dimensions conform to widely accepted international specifications, ensuring compatibility with existing hardware and fittings in global markets.
Detailed Technical Specifications:
| Parameter | Specification |
| Model Designation | U70BS 210 |
| Rated Mechanical Failing Load (SML) | 70 kN |
| Insulation Distance (Creepage Distance) | 210 mm (Standard), other distances customizable |
| Disk Diameter | Approximately 255 mm |
| Connection Type | Ball and socket (standard clevis and tongue available) |
| Material of Dielectric | Toughened (Tempered) Glass |
| Metal Fittings Material | Hot-dip galvanized cast iron or malleable iron |
| Standards | Designed to meet IEC 60305, GB/T 1001.1, and comparable ANSI standards |
Benefits for Your Business:
- Reduced Lifetime Cost: The combination of long life, zero maintenance, and easy inspection translates to significantly lower total cost of ownership compared to alternatives that require frequent upkeep.
- Enhanced Grid Reliability: Consistent performance under diverse climatic conditions minimizes the risk of unexpected outages, protecting your revenue and reputation.
- Simplified Logistics and Inventory: Standardized dimensions and proven global acceptance simplify procurement, spare parts management, and installation processes.
- Technical Partnership: Our available technical support assists with selection, installation guidance, and application-specific queries, ensuring optimal performance in your project.
Trust in a supplier with a proven track record. Jinhua Dika Electrical Equipment Co., Ltd. supports an annual export value of US$1-1.5 Million, serving diverse markets from Eastern Europe to Oceania. Our products are shipped from major Chinese ports like Shanghai and Ningbo, ensuring efficient logistics. With a dedicated team of 11-50 professionals focused on manufacturing excellence, we deliver insulators that form the reliable backbone of power infrastructure. Choose the U70BS 210 Glass Insulator for a blend of proven technology, robust construction, and manufacturer-backed support. Contact us today to discuss your project requirements or to request samples and a detailed quotation.
Frequently Asked Questions (FAQ)
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What is the main advantage of glass insulators over polymer or porcelain types?
Glass insulators offer excellent long-term stability, require virtually no maintenance, and allow for visual fault detection. Their performance does not degrade due to UV exposure or surface tracking, which can be a concern with some polymers. -
Is the U70BS 210 suitable for coastal or highly polluted industrial areas?
Yes. The specified creepage distance of 210 mm provides good performance in lightly to moderately polluted environments. For severe pollution, we can advise on or supply units with a longer creepage distance or a different profile. -
Can you provide insulators with different connection types (e.g., clevis and tongue)?
Absolutely. While the ball and socket is standard for the U70BS model, we can customize the metal fittings to accommodate clevis and tongue or other connection systems as per your drawing or specification. -
What quality control measures are in place during manufacturing?
Our ISO9001-certified quality management system governs the entire process. This includes raw material inspection, process control, and final testing such as mechanical load tests, puncture tests, and temperature cycle tests on sampled batches. -
What is the typical lead time for an order?
Lead time depends on order quantity and customization. For standard U70BS 210 units, typical production lead time is 4-6 weeks. We provide a firm schedule upon order confirmation. -
Do you offer technical data sheets and test reports?
Yes, comprehensive technical data sheets are available for all our products. Type test reports from independent laboratories can be provided upon request to support your qualification process. -
How are the insulators packaged for export?
They are typically packed in sturdy wooden crates or pallets with internal separators to prevent damage during transit. Packaging is designed to withstand handling and long-distance ocean freight. -
What voltage level is the U70BS 210 designed for?
This insulator is commonly used on transmission lines with system voltages ranging from 66 kV to 138 kV. The exact application voltage depends on the number of discs used in a string and the local pollution level.
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