We adhere to the core orientation of customer needs, and actively conduct research on the basis of the application of Polymer Tension insulator for electrified railway, Polymer Tension insulator, 110kV station post insulator in modern environments and their key technologies. Our goal is to exceed our customers' expectations and deliver exceptional value in everything we do. We work closely with our clients to understand their needs and provide customized solutions that exceed expectations. Our goal is to exceed customer expectations and build long-lasting partnerships. By increasing investment in R&D and design to achieve full specialization, we will provide customers with the whole process from concept design to finished product shipment, and become the preferred partner of our customers.
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.
Our aim would be to fulfill our shoppers by offering golden company, very good value and good quality for 45kv Vertical Clamp Top Line Post Insulators 57-13. We are willing to cooperate with new and old customers at home and abroad in the principle of sincere cooperation and mutual benefit to establish a wide range of cooperative relations. If the customer provides their own designs, We will guarantee that they will likely be the only one can have that merchandise.
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