We pursue the management tenet of 'Quality is remarkable, Company is supreme, Name is first', and will sincerely create and share success with all clientele for 11kv Polymer Pin Insulator, 11kv Post Insulator, Polymer insulator . We provide customers with suitable products with the concept of tailor-made to achieve seamless pre-sale, in-sale and after-sale services. We not only participate in competition, but we are also eager to cooperate and win-win. Therefore, we warmly welcome new and old friends to work together for mutual benefit. At present, our company is further accelerating product upgrading, expanding production scale and continuing to move towards the goal of becoming bigger and stronger. We provide seamless end-to-end solutions, managing every aspect of the process from start to finish.
Transmission Line Post Insulators
1. About us
Wuhan Line Power Transmission Equipment Co., Ltd specializing in the production of composite insulator, undertake external processing and manufacturing, mold development, product innovation as the leading factor, the company is an expert in composite insulator, has the high and low voltage electrical appliances production experience for many years, have their own mode of production of a business, the company has to make the insulator industry bigger and stronger for ambition.To be the leader of the enterprise, we will make the high and low voltage insulator business every corner of the world. We are determined to be the insulator of the world, but more importantly, to be the insulator of the world.
We have exported more than thousands of composite vertical line post insulators all over the world, just like US, UK, Australia, Brazil, Bulgaria，Russia， etc., below are a few of drawings. The first one is vertical trunnion with base, the second one is vertical trunnion with long bolt, the third one is no base. We could provide other types too.
2. Catalog
Typical Line Voltage | Section Length | Dry Arcing Distance | Leakage Distance | Specified Cantilever Load | Max. Design | 1min. Power Frequency Withstand Voltage | Lightning Impulse Withstand Voltage |
69 | 1097±30 | 900 | 2600 | 22.2 | 11.1 | 185 | 410 |
132 | 1564±20 | 1380 | 4000 | 17 | 8.5 | 350 | 650 |
220 | 2278±30 | 1920 | 6530 | 18.5 | 10.2 | 540 | 1030 |
363 | 3000±30 | 2820 | 8800 | 4 | 2 | 650 | 1300 |
3. Reference drawings
Available end fittings for Composite vertical line post insulator
Vertical Trunnion
Flange
Flange Base
4. Payment & Shipping Terms:
Type: | Vertical Line Post |
Minimum Order Quantity: | 10 pcs |
Price: | Negotiable |
Packaging Details: | plywood case, fumigated solid wood case |
Delivery Time: | 45~50 days EX-works |
Standard: | IEC 61952, ANSI C29.1 |
5. RAW MATERIALS:
End Fittings | Core | Sheds and Housing |
Hot dip galvanized cast iron or cast steel | Epoxy & Glass fiber | HTV Silicone Rubber |
Min. thickness of the galvanization: 86μm | Diameter(mm): Φ38, Φ40, Φ55, Φ70, Φ90, Φ120 | Color: Grey, Red or others |
6. Production Process(Part):
Whole injection
Taking the most advanced automatic overall injection moulding technic and connection method of crimping for production and assembling, and the whole crimping procedure controlled by computer and the crimping result monitored by ultrasonic detector to assure each product is qualified.
Waiting for testing, we have full range test equipment, we could perform the FAT based on IEC 61952.
We could provide different packing methods by client requirment. Plywood case and solid wood case are most common selected method.
Since the establishment, our company has been committed to the development and production of Porcelain Line Post Insulator for Transmission and Distribution, always maintaining unconventional development ideas, and winning the appreciation and trust of customers with excellent quality and perfect service. Over the years, our company has always adhered to the 'technology to improve the quality of products, to expand the image of the enterprise through cooperation' as a core content of corporate culture. With the continuous improvement of the company's technical level and keeping pace with the times, in the future, our company will continue to innovate and strive to become one of the most growing enterprises.
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