72.5kv Electric Line Post Composite Polymer Insulator for Railway

• Customization: Available
• Application: High-voltage
• Material: Composite Polymer
• Model NO.: FZSW-72.5
• Structure: Post Insulator
• Type: B Type Insulator
• Usage: High Voltage Power Transmission, Insulation, Electrical Installation
• Connection Method: Base/Horizontal Clamp
• Size of Bearing Capacity: 11kN
• Certification: ISO9001, ISO 14001, ISO 45001
• Color: Gray, Red or Customized.
• Brand: Line Power
• Minimum Dry Arc Distance: 585mm
• Leakage Distance: 1620mm
• Lightning Impulse Flashover Voltage: 379kv
• Power Frequency Flashover Voltage(Wet): 202kv
• Maximum Design Cantilever Load: 5.5kN
• Contract Manufacturing: OEM Service Offered
• Business Type: Manufacturer, Trading Company
• Lead Time: Around 30days
• Price: Fob or CIF
• Transport Package: Plywood Cases, Solid Wood Cases or Carton Boxes.
• Specification: 850mm
• Trademark: Line Power
• Origin: Wuhan, China
• HS Code: 85469000
• Production Capacity: 4000pieces/Month/Machine
• Package Size: 110.00cm * 30.00cm * 20.00cm
• Package Gross Weight: 20.000kg

Product Description

72.5kV Electric Line Post Composite Polymer Insulator for Railway

Product Description

 Wuhan Line Power offer composite line posts for transmission line applications of various voltage classes up to and including 330kV. All of our insulators equip a one-piece, whole injection. This housing is formed onto the core by a compression molding process. Our design, manufacture, testing and quality control provide a unique products that is unparalleled.

We have exported more than thousands of composite vertical line post insulators all over the world, just like New Zealand, Australia, Dominica Republic, Czech, etc, below are some of drawings.

Customized type is available.

 
RAW MATERIALS:

End Fittings	Core	Sheds and Housing
Hot dip galvanized cast iron or cast steel	Epoxy & Glass fiber (ECR is available)	HTV Silicone Rubber
Min. thickness of the galvanization: 86μm	Diameter(mm): Φ38, Φ40, Φ55, Φ70, Φ90, Φ120	Color: Grey, Red

TECHNICAL DATA (catalog):Notes:
1. All section lengths are based on vertical & base or bolt end fittings.
2. Below 220kV electrical data shown for composite line post insulators without corona rings and mounted vertically. Wuhan Line Power recommends corona rings to be installed at 220kV and above.
3. Additional section lengths and creepage distances are available. Contact sales agency for details.
4. All dimensions, tolerances and tests are within allowable IEC standards or ANSI standards.
5. All dimensions are in millimeters(mm). If in inches and pounds, please specify.
6. We can design according to the end user's requirements.


Product structure and advantages
Our company specializes in the production of composite insulators for transmission lines. The main structure is composed of rubber, epoxy glass fiber core and metal end fittings. Compared with similar ceramic and glass insulators, silicone rubber insulators have the following advantages:

(1) Small size, light weight (1/7~1/10 times that of ceramic insulators with the same voltage), good elasticity of the shed, not easy to break, convenient transportation and installation, and economical.

(2) High mechanical strength. FRP rods have high tensile strength, which is 5-10 times that of ceramic materials. The cross-section of the core material is small, the product is small in size, light in weight, and high in tensile strength. It is easy to manufacture large-tonnage insulators above 300KN.

(3) High antifouling performance and good aging resistance. The silicone rubber injection molded shed has good hydrophobicity and mobility, which makes the insulator have high anti-pollution flashover voltage and good electrical corrosion resistance.

(4) Easy installation and maintenance, which can greatly reduce maintenance costs caused by power outages and manual labor intensity.

(5) The production process is simple and the delivery time is short.
 

Production Process (Part)

What is the difference between post insulator and pin insulator?

Post insulators are akin to pin insulators; however, they are more suitable for applications involving higher voltages. Compared to pin insulators, post insulators feature a greater number of petticoats and an increased height. This type of insulator can be mounted on supporting structures both horizontally and vertically.

 

FEATURES:

 

1. The silicone rubber housing of Composite Line Post Insulator were taken shape by whole injection. It has good hydrophobicity, hydrophobicity migration and soil resistance, as well as excellent electrical insulation properties and aging resistance, which could prevent effectively those accidents of pollution flashover so as to ensure the safe running of high voltage transmission lines. 
2. The modified ECR fiberglass reinforced epoxy resin rod is used as it has good resistance to high temperature, stess corrosion & acid attack, as well as fine damping action, high tensile strength (> 1200Mpa) and resistance to creep and fatigue failure, which effectively ensure the internal insulation quality and mechanical stength of insulators.
3. End fittings are crimped onto fiberglass rod with voice-operated displacement type crimper. The insulators with this crimping technique have high mechanical strength and small dispersion. 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.

 

Company Profile

Our company with strong strength, reasonable price, good service and a number of enterprises to establish a long-term partnership.With high quality products and perfect after-sales service, we have won the consistent reputation of customers all over the country.We sincerely welcome customers from home and abroad to visit, investigate and discuss business cooperation.    

Exhibition

We have been participating in various exhibitions at home and abroad from 2010 to 2019. At the exhibition, relevant people from the industry and us saw our products directly and closely.

Welcome to visit our factory anytime!

 

Certifications

We have implemented advanced management and set up a strict quality management system according 1- 1509001 : 200S. All the products' quality requirements comply with IEC61109, IEC61952, IEC62231, G3/T19519-2004,GE/T 22079-200s, DU/T 1048-2007.DL/T810-2002 and TE/T3199.2-200g Standards, etc.

Packaging & Shipping

 

1. All composite insulators are packed in weatherproof containers in order to protect the products during land, air, and sea transportation. Several different grades of packaging can be offered depending on the mode of transport and the expected storage conditions. The packaging options that we offer are
1) standard grade/prefabricated packing,
2) economical grade/cardboard carton, and
3) best grade/closed wooden crate.
Since the user best knows their crate requirements, they should select the option that is most suited to their needs and include that information in the purchasing specification. Special packaging arrangements can be accommodated upon request.

2. Each container is marked with the number of insulators it contains, the catalog number, the manufacturer's name, and any other customer requests.

3. Each packing (wooden Cases or Paper ubes) attached specification and certification of products.