Porcelain Line Post Insulator

Voltage: 6kv-132kv

Direction: Horizontal or vertical mounted

Color: Brown,grey,white

Type: Tie top, clamp top

Share:

Product Description

Product Introduction:

Porcelain Line Post Insulators represent a premier category of porcelain insulators, renowned for their exceptional quality and performance. Crafted from wet process porcelain, these insulators possess the innate ability to shed water and dirt, contributing to minimal maintenance requirements.

Product Details:

Material: Made from high-grade wet process porcelain, ensuring superior strength and insulation properties.
Design: Specifically designed to offer rigid support to conducting cables while withstanding electrical and mechanical stress.
Application: Ideal for overhead power lines where reliability and resistance to puncture are paramount.
Key Features:

Water and Dirt Shedding: The wet process porcelain used in manufacturing allows the insulators to easily shed water and dirt, reducing the risk of contamination and flashover.
Rigid Support: Provides robust support to the conducting cables, ensuring stable and secure connections.
Puncture Proof: Solid core design ensures the insulators are resistant to puncture, unlike pin insulators which are susceptible to such damage.
Structural Features:

Solid Core Construction: The insulators are produced with a solid core, offering enhanced durability and puncture resistance.
Clamp Style Units: Include a galvanized metal head compatible with standard trunnion style line clamps, ensuring versatile installation options.
Horizontal and Gain-Base Options: Available in both horizontal and gain-base configurations to avoid the need for crossarms, streamlining pole installations.
Installation Process:

Pole Preparation: Ensure the pole is suitable for the installation of line post insulators, with appropriate attachment points.
Insulator Attachment: Securely attach the Porcelain Line Post Insulator to the pole using the galvanized metal head and trunnion style line clamps.
Conductor Connection: Connect the conducting cables to the insulator, verifying the secureness and integrity of the connections.
Applicable Environmental Conditions:

Wide Temperature Range: Operates effectively in a broad temperature range, typically from -40°C to +80°C, suitable for diverse climates.
UV and Weather Resistance: The porcelain material is resistant to UV radiation and various weather conditions, ensuring long-term outdoor performance.
Chemical Resistance: Engineered to resist common environmental chemicals, maintaining the insulator’s integrity in polluted environments.

Specifications

 ANSI CLASS 57-1 57-2 57-3 57-4
Creepage Distance,mm 356 559 737 1015
Dry Arcing Distance,mm 165 241 311 368
Cantilever Strength,kN 12.5 12.5 12.5 12.5
Power Frequency
Flashover-Dry,kV
70 100 125 140
Power Frequency
Flashover-Wet,kV
50 70 95 110
Critical lmpulse Flashover
Voltage-Pos,kV
120 160 200 230
Test Voltage to Ground,kV 15 22 30 44
Maximum RIV at 1000KHZ,μv 100 100 200 200
Net Weight,kgs 4.8 7.8 11.0 18.0

Product Advantages

  1. Exceptional Mechanical Strength: Post insulators are designed to withstand significant bending, compression, and torsion forces. Their high mechanical strength ensures durability under stress, minimizing the risk of breakage and reducing replacement costs.
  2. Robust and Puncture-Resistant: Engineered to endure harsh environmental conditions, these insulators are highly resistant to punctures and physical damage, ensuring long-term reliability.
  3. Premium Porcelain and Aluminum Oxide Ceramic Construction: The insulators are crafted from high-grade porcelain and aluminum oxide ceramic, combining superior mechanical strength with excellent insulating properties. These materials provide both structural integrity and optimal electrical insulation.
  4. Optimized Creepage Distance: Featuring a carefully designed creepage distance, the post insulator maintains the integrity of the insulating path, effectively preventing tracking and ensuring consistent performance under varying conditions.

This refined version enhances clarity, professionalism, and readability while retaining all key technical details. Let me know if you’d like any further adjustments!

Application Scenarios

Porcelain line post insulators are primarily designed for vertical installation, though they can also be used in horizontal configurations under specific conditions.

Key Considerations for Horizontal Installation:

When installed horizontally, the maximum working load must be reduced by 50% of the insulator’s rated capacity.
Example: An insulator rated for 2000 lbs should only bear a maximum load of 1000 lbs in horizontal applications.

Advantages in Powerline Applications:

Superior Contamination Resistance: The insulator’s glazed porcelain surface minimizes the need for additional coatings, effectively repelling dirt, moisture, and pollutants to prevent chemical and physical degradation.

Enhanced Durability: Features hot-dip galvanized metal fittings at both ends, ensuring superior corrosion resistance and long-term mechanical protection.

This version improves clarity, conciseness, and technical precision while maintaining all essential details. Let me know if you’d like any refinements!

Certificate Display

Factory Tour

Why choose us?

Professional

20+ years cable export experience, with full knowledges of all kinds STANDARDS, we have EN/ES/FR sales for deep communications.

Professional

20+ years cable export experience, with full knowledges of all kinds STANDARDS, we have EN/ES/FR sales for deep communications.
Read More

Fast Delivery

Our factory has sufficient capacity, and we can generally complete production for most orders within 2 ~ 3 weeks, maximum 1 ~ 1.5 months.

Fast Delivery

Our factory has sufficient capacity, and we can generally complete production for most orders within 2 ~ 3 weeks, maximum 1 ~ 1.5 months.
Read More

Good Price

Relying on robust Chinese cable manufacturing supply chain enables us to maintain low costs, to offer competitive cable products to our customers.

Good Price

Relying on robust Chinese cable manufacturing supply chain enables us to maintain low costs, to offer competitive cable products to our customers.
Read More

High Quality

We have complete cable type tests and a quality inspection process, supporting customer or third-party quality acceptance to ensure we deliver high-quality products.

High Quality

We have complete cable type tests and a quality inspection process, supporting customer or third-party quality acceptance to ensure we deliver high-quality products.
Read More

FAQs

Who are we?

We are Manufacturer more than 21 years experience in Binzhou City, shangdong, China. We start from 2004, sell to Domestic Market(52.00%), Eastern Asia(25.00%), Africa(10.00%), Mid East(6.00%),Southeast Asia(4.00%),South Asia(3.00%). There are total about 301-500 people in our office.

Always a pre-production sample before mass production; Always have strict control of the quality from the raw material to finished products according to ISO9001 QC system before shipment.

House eletric wire, Anti-aging wire, Solar PV cable, Control cable, Shielded computer cable, Low/Medium/High Voltage power cable, Aluminum alloy cable, Aerial insulated cable, Steel core aluminum standed wire, LSZH cable, Fireproof cable, Wind power cable, EV charging cable, Energy storage cable, Mining cable, etc.

hengwang cable company has passed ISO9001 quality management system, ISO14001 environmental management system, ISO45001\German TUV certification\CE certification, the company is a finalist for the state power grid and a national”High-tech Enterprise.

Accepted Delivery Terms: FOB,CFR,EXW,FAS,DDP; Accepted Payment Currency:USD,EUR,CAD,AUD,GBP,CNY; Accepted Payment Type: T/T,L/C,MoneyGram,Credit Card,Western Union,Cash; Language Spoken:English,Chinese,Japanese,German,Russian

Yes, we have production line for packing box and cartons. we can make it according to your special requirement. If you are interested in our goods , please kindly send an inquiry to us !

Contact us to get your quote!

Related Products

Contact Us Right Now

Fill out the form to download the brochure