72.5kV Bushing
Your Leading 72.5kV Bushing Supplier
Trust In Grid Co., Ltd. is a professional transformer manufacturer, specializing in the design and production of power transformer, high-voltage switchgear, power distribution equipment, energy storage systems (ESS), magnetic wire, bushing and machining parts. Our power transformers are available in 500KV, 330KV, 220KV, and 110KV models, and are widely used in power utilities, renewable energy systems (solar and wind), industrial facilities, data centers, transportation infrastructure, and OEM applications.
Why Choose Us?
Production Capacity
With 6 factories covering 240,000 m², over 2,000 employees, and 200+ engineers, we support large-scale projects and long-term global supply with more than 30 years of export experience.
Advanced Equipment
We operate a complete set of in-house production equipment, including cutting, winding, CNC machining, vacuum drying, and testing systems, with over 450 machines ensuring stable quality and efficient output.
Quality Control
All products are manufactured and tested in compliance with IEC, IEEE, ANSI, CSA, UL/cUL, CE, and ISO 9001:2015 standards, ensuring reliable performance and smooth international approval.
OEM & ODM Capability
Our engineering team provides OEM/ODM support, including customized design and technical optimization, delivering tailored solutions for utility, industrial, and renewable energy projects.
Specifications of 72.5kV Bushing
|
Parameter |
72.5kV Bushing |
|
Rated Voltage |
72.5 kV |
|
Rated Current |
800 – 4000 A |
|
Power Frequency Withstand Voltage |
≥140 kV |
|
Lightning Impulse Withstand Voltage |
≥325 kV |
|
Insulation Type |
Porcelain / Composite (Silicone Rubber) |
|
Creepage Distance |
≥1800 mm |
|
Installation |
Outdoor / Indoor |
|
Conductor Material |
Copper / Aluminum |
|
Ambient Temperature |
-40°C to +40°C |
|
Altitude |
≤1000 m |
|
Mounting Type |
Flange mounting |
|
Applicable Standards |
IEC 60137 |
|
Application |
Transformer / Switchgear / Substation |
Self-Lubricating Properties: Composite bushings eliminate the need for additional lubrication systems, reducing maintenance requirements and associated costs.
Low Friction: The low-friction characteristics of composite bushings reduce wear on mating surfaces, resulting in extended service life and improved efficiency.
Resistance to Corrosion: Composite bushings can withstand exposure to harsh chemicals or corrosive environments without degradation, making them suitable for various applications.
High Load Capacity: Combining different materials in composite bushing designs provides excellent load-bearing capabilities, ensuring reliable operation even under heavy loads.
Bronze
Bronze bushings are typically favored for heavy machinery due to their strength, resistance to wear, and ability to withstand heat. They are commonly combined with lubricants to reduce friction.
Plastic
If you need a low-maintenance solution, plastic bushings shine in moisture-rich or corrosive environments. While they may not handle extreme loads as effectively, they are quieter and require minimal upkeep.
Steel
Steel bushings, especially with coatings or mixed materials, are highly durable and capable of bearing heavy loads in rigorous settings. Steel typically requires lubrication to avoid wear.
Composite Materials
Advanced materials like PTFE composites or carbon-graphite bushings cater to specific needs like low friction, self-lubrication, or enhanced longevity in extreme operating environments.
Customization Options
| Insulation type: | Ceramic or composite |
| Mechanical dimensions: | Customizable |
| Flange design: | Customizable |
| Conductor material: | Customizable |
| Terminal type: | Customizable |
| Logo: | Customizable |
| MOQ: | Customizable |
Application Industries of 72.5kV Bushing
Automotive and Transportation
Composite bushings find numerous applications in the automotive sector, including suspension systems, engine components, chassis linkages, and transmission elements. Their self-lubricating capabilities, corrosion resistance, and weight savings make them ideal for modern vehicle designs focused on reduced maintenance and improved efficiency .
Industrial Machinery
In industrial settings, composite bushings provide reliable performance in hydraulic cylinders, pneumatic systems, conveyor equipment, and processing machinery. Their ability to operate with minimal maintenance and withstand contaminated environments makes them valuable for maximizing equipment uptime .
Marine and Offshore Applications
The exceptional corrosion resistance of certain composite bushings makes them ideal for marine applications such as stern tube bearings, rudder bearings, hatch cover pads, and deck machinery. Materials like PFC-22 and PFC-30 specifically address the challenges of saltwater environments while providing long service life without lubrication .
Aerospace and Defense
The aerospace industry utilizes composite bushings in control surface linkages, landing gear components, and access panel hinges where weight reduction, reliability, and maintenance-free operation are critical. Their inherent corrosion resistance and ability to function across a wide temperature range make them suitable for demanding aerospace environments .
Ordering Process
Send Us Inquiry → Receive Our Quotation → Negotiate Details → Confirm the Sample → Sign Contract/Deposit → Mass Production →Cargo Ready → Balance/Delivery → Further Cooperation
Payment Terms
T.T with 30% downpayment, 70%before shipment.
Paypal or West Union also accept.
Our Service Highlights
Pre-Sales Consultation & Design Support
Early technical engagement to define requirements and deliver optimized solutions.
During Sales & Project Execution
Transparent project management with controlled production, quality tracking, and on-time delivery.
Warranty Advantage
Minimum 2-year warranty on all products, ensuring reliable and risk-free operation.
After-Sales Support
24/7 technical support with fast response, spare parts availability, and training services.
Long-Term Partnership
Lifelong technical support and upgrade guidance for sustained performance.
Packaging & Shipping
Packaging details:
Shockproof foam/moisture-proof film, professional export cartons/wooden crates/pallets.
Final assembly ensures mechanical integrity and readiness for transportation and installation.
Certificates
We're well-known as one of the leading 72.5kv bushing manufacturers and suppliers in China, also support customized service. Please feel free to buy high quality 72.5kv bushing made in China here from our factory. Contact us for more details.
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