You Professional Composite Line Post Insulators Suppliers!

 

International Co.,Ltd. (TCI) specializes in manufacturing and exporting insulators, power fittings, bushings, cables and accessories for power transmission lines and substations. In addition to supplying high-quality products to our customers, we also provide superior technical assistance and services to meet their various needs.

 

 
 
Why Choose Us

Rich Experience

More than 70% of TCI's staff has bachelor degrees or higher. Many senior engineers and technicians are knowledgeable and experienced in the fields of high voltage, macromolecule research and machine manufacturing. We also have a well-established skilled workforce.

Professional Team

We has the complete management and technology teams, modern office facilities and business management software guaranteeing our clients secure operation solutions and sustainable business models.

 

Our Certifications

We implement the ISO 9001:2015 Quality Control and the ISO14001:2015 environmental management systems.

 

Our Market

TCI's products have been exported to 100 countries in the world. Our high quality products and services have helped us to obtain overseas market share and good reputation.

 

Overview of Composite Line Post Insulators

 

 

Composite Line post insulator, what also named polymeric line post insulator, is a kind of line post insulator, which consist of metal end-fittings, fiberglass core, and housing. It has the same function with porcelain (ceramic) line post insulator - as supports for power conductors.

 

Product Specification

 

We offer the following Product Specifications

 

Product Type

FZSW-220(252)/4

Specified Voltage

220 kV

Specified Bencing Withstand Load

4 kN

Section Length

2300±5 mm

Min. Arcing Distance

2132 mm

Big Shed Diameter

210 mm

Min. Nominal Creepage Distance

6300 mm

Lightning Impulse Withstand Voltage(Peak Value)

≥1050 kV

Power Frequency Withstand Voltage Min.Wet(RMS)

≥460 kV

Reference Weight

48 kg

 

Advantages of Composite Line Post Insulators
 

Lightweight: Composite insulators are significantly lighter than their porcelain counterparts, making them easier to handle during installation and maintenance.

 

Corrosion Resistance: The materials used in composite insulators are resistant to corrosion, ensuring a longer service life in harsh environmental conditions.

 

High Mechanical Strength: Composite insulators exhibit high mechanical strength, making them less prone to damage from vibration, wind, and other mechanical stresses.

252kv 复合支柱绝缘子

 

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Excellent Pollution Performance: The silicone rubber housing provides excellent pollution performance, reducing the risk of flashovers in contaminated environments.

 

Hydrophobic Properties: Composite insulators are hydrophobic, meaning they repel water, which helps prevent the accumulation of contaminants on the surface.

 

Ease of Cleaning: The smooth surface of composite insulators allows for easier cleaning, further enhancing their performance in polluted areas.

 

Application of Composite Line Post Insulators

 

1

Power Generation

Utilized in power stations to support and specially protect high voltage equipment such as bus bars and transformers.

2

Transmission and Distribution

The critical support structures of conductors and switchgear can be used in high-voltage transfer and distribution.

3

Railways

Employed in electrified railways to bear and provide electrical insulation of overhead wires and other structures.

4

Industrial Manufacturing

Common in industries with large electric systems like steel producers, chemical industries, and in the manufacture of electricity such as the substation industries.

 

Install of Composite Line Post Insulators

 

The installation of the post insulators depends on the type of post insulator, manufacturer guidelines and project specifications. You should consult with the manufacturer's instructions and work in accordance with the applicable industry standards and safety regulations during the process of installation.
Prepare all the tools and equipment to be used during the installation.
Position and align the insulators along the transmission lines.
Mount the post insulators to the supporting structure using the provided mounting hardware.
Connect the conductors to the post insulators using the appropriate fittings and connectors.
Assemble the insulator strings by connecting multiple insulators together to achieve the required voltage rating.
Ensure that grading rings are installed and properly positioned along the length of the post insulator.
Conduct a thorough visual inspection of the installed post insulators to check for any signs of damage or improper installation.
Establish a regular maintenance and monitoring schedule to ensure the ongoing integrity and performance of the pillar insulator.

 

 

Packaging & Delivery

 

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Certifications

 

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FAQ

 

Q: What is a post-insulator?

A: A post-insulator is an insulating device used to support and insulate electrical conductors in various applications.

Q: How do post insulators provide electrical insulation?

A: Post insulators have a non-conductive core made from porcelain, glass or polymer that prevents the flow of electrical current between the conductor and the supporting materials.

Q: What are Composite Line Post Insulators made of?

A: Composite Line Post Insulators are typically made from a combination of materials such as silicone rubber for the housing, and fiberglass or other composite materials for the core.

Q: How are Composite Line Post Insulators tested for quality and reliability?

A: These insulators undergo rigorous testing according to international standards such as IEC, ANSI, or IEEE. Tests include mechanical load testing, electrical withstand tests, pollution testing, and aging tests to ensure long-term reliability in various environmental conditions.

Q: Are Composite Line Post Insulators environmentally friendly?

A: Yes, they are considered environmentally friendly because they are typically made from recyclable materials such as fiberglass and silicone rubber. Their longer service life and resistance to pollution also contribute to reduced maintenance and replacement cycles, further minimizing environmental impact.

Q: What factors should be considered when selecting Composite Line Post Insulators for a specific application?

A: Factors to consider include voltage rating, mechanical load requirements, pollution severity level, ambient temperature range, and specific installation requirements such as mounting configuration and electrical clearances.

Q: Are you a factory or a trading company ?

A: We are a factory and trading company at the same time.

Q: How about the quality of the products ?

A: Our products are of high quality and we have registered and reputable brands.

Q: What's the MOQ for each items ?

A: 100 pieces.

Q: What's our shipping ways ?

A: We can provide different types of shipping such as sea, air, and land.

Q: What is your terms of payment?

A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.

Q: How about your delivery time?

A: Generally, it will take 20 to 30 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q: Do you test all your goods before delivery?

A: Yes, we have 100% test before delivery.

As one of the most professional composite line post insulators manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to buy customized composite line post insulators made in China here from our factory.

252kv Composite Post Insulator, Horizontal Top Clamp Line Post Insulator, ceramic Disc Insulator