Welcome to Ecer
Ecer asks for your consent to use your personal data to:
Personalised advertising and content, advertising and content measurement, audience research and services development
Store and/or access information on a device
Your personal data will be processed and information from your device (cookies, unique identifiers, and other device data) may be stored by, accessed by and shared with 135 TCF vendor(s) and 65 ad partner(s), or used specifically by this site or app.
Some vendors may process your personal data on the basis of legitimate interest, which you can object to by do not consent. Contact our platform customer service, you can also withdraw your consent.
Consent Do not consent
China factories

Chat Now Send Email
China factory - Ningbo Suntech Power Machinery Tools Co.,Ltd.

Ningbo Suntech Power Machinery Tools Co.,Ltd.

  • China,Ningbo ,Zhejiang
  • Verified Supplier
  1. Home
  2. Products
  3. About Us
  4. Contact Us

Leave a Message

we will call you back quickly!

Submit Requirement
  1. Home>
  2. Transmission Line Stringing Tools>
  3. Head Boards for Two Bundle Conductors with 80-180KN Rated Load for Maintaining
China Head Boards for Two Bundle Conductors with 80-180KN Rated Load for Maintaining
China Head Boards for Two Bundle Conductors with 80-180KN Rated Load for Maintaining

  1. China Head Boards for Two Bundle Conductors with 80-180KN Rated Load for Maintaining
  2. China Head Boards for Two Bundle Conductors with 80-180KN Rated Load for Maintaining
  3. China Head Boards for Two Bundle Conductors with 80-180KN Rated Load for Maintaining
  4. China Head Boards for Two Bundle Conductors with 80-180KN Rated Load for Maintaining
  5. China Head Boards for Two Bundle Conductors with 80-180KN Rated Load for Maintaining

Head Boards for Two Bundle Conductors with 80-180KN Rated Load for Maintaining

  1. MOQ： 1 PCS
  2. Price： Negotiable
  3. Get Latest Price
Payment Terms L/C,T/T
Supply Ability 30000 PCS/Month
Delivery Time 3-7days
Packaging Details Plywood Case
Name Head Boards for Two Bundle Conductors
Model SZ2-8
Rated Load 80-180KN
Width 75-125mm
Weight 17-90KG
Warranty 1 year
Brand Name Suntech
Model Number SZ2-8
Certification ISO
Place of Origin Ningbo

View Detail Information

Inquiry by Email Get Latest Price
Chat online Now Ask for best deal

Explore similar products

  1. China Galvanized Steel Fixed Joints for Corrosion Resistant Performance with 10-250KN

    Galvanized Steel Fixed Joints for Corrosion Resistant Performance with 10-250KN

    Chat online Now
  2. China Durable Swivel Joint with 360-Degree Rotation and 5-250KN Rated Load for

    Durable Swivel Joint with 360-Degree Rotation and 5-250KN Rated Load for

    Chat online Now
  3. China High Tensile Steel Conductor Mesh Sock Joints for Even Pressure Distribution and

    High Tensile Steel Conductor Mesh Sock Joints for Even Pressure Distribution and

    Chat online Now
  4. China Flexible Grounding Lead With High Conductivity For Industrial

    Flexible Grounding Lead With High Conductivity For Industrial

    Chat online Now
  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C,T/T Supply Ability 30000 PCS/Month
Delivery Time 3-7days Packaging Details Plywood Case
Name Head Boards for Two Bundle Conductors Model SZ2-8
Rated Load 80-180KN Width 75-125mm
Weight 17-90KG Warranty 1 year
Brand Name Suntech Model Number SZ2-8
Certification ISO Place of Origin Ningbo
High Light 80-180KN Rated Load Head Boards ，Maintains Subconductor Spacing Twin Spacer Dampers ，Damping Against Aeolian Vibration Duplex Spacer Dampers
Engineered Head Boards for Two Bundle Conductors
Engineered Head Boards for Two Bundle Conductors for Maintaining Subconductor Spacing and Damping
Product Specifications
Item Number Model Rated Load (KN) Applicable Sheave Width (MM) Weight (KG) Feature
17220 SZ2-8 80 75 17 Conductor are independent
17221 SZ2-8A 100 19
17222 SZ2-8B 110 19.5
17223 SZ2A-8 80 100 90 Poising sheave
17223T SZ2A-8T 110 100 Poising sheave
17224 SZ2B-13 130 110 55 Conductor are independent
17225 SZ2C-13 130 110 50 Conductor are independent
17226 SZ2B-18 180 125 90 Conductor are independent
Product Overview
Head Boards for Two Bundle Conductors, more commonly known as twin or duplex spacer dampers, are critical components in the construction and long-term reliability of high-voltage and extra-high-voltage (EHV) transmission lines that utilize a bundle conductor configuration. A bundle consists of two or more sub-conductors (individual wires) run in parallel per phase, significantly increasing the line's power transfer capacity.
Key Features and Benefits
Maintains Precise and Constant Subconductor Spacing The most fundamental role is to physically enforce the required separation between the two sub-conductors in the bundle. This spacing is critical for the electrical performance of the line, affecting corona discharge, impedance, and overall efficiency.
Prevents Damaging Conductor Clashing and Wear When two energized conductors come into contact, it creates a fault—a short circuit. The head board acts as a rigid spacer that absolutely prevents this contact, even under high winds, ice loading, or during the dynamic swinging of the conductors.
Provides Essential Damping Against Aeolian Vibration Overhead conductors are susceptible to aeolian vibration, caused by steady wind passing over the wire. The head board incorporates elastomeric damping elements or specially designed hinged joints that absorb this vibrational energy, converting it into harmless heat.
Mitigates Subspan Oscillation In bundle configurations, the sub-conductors can also experience low-frequency, high-amplitude swinging motions relative to each other. The head board's design and placement help to disrupt the aerodynamic coupling between the sub-conductors.
Ensures Optimal Electrical and Thermal Performance Proper subconductor spacing, maintained by the head board, ensures the electromagnetic fields around the conductors interact correctly, minimizing corona losses and maintaining the designed surge impedance loading of the line.
Durable Construction for Long-Term Reliability Built to last the lifetime of the transmission line (40+ years), head boards are constructed from high-strength, corrosion-resistant aluminum alloys with resilient, high-durometer elastomers to grip the conductor firmly without causing abrasion.
Designed for Easy Installation and Maintenance Modern head boards are designed for efficient installation by live-line or hot-stick methods, allowing them to be added to existing energized lines without an outage. Their modular design facilitates inspection and replacement with minimal downtime.
Critical Component for Increasing Grid Capacity and Reliability The use of bundle conductors with effective spacer dampers is a primary method for utilities to increase the power transfer capacity of existing right-of-ways, supporting grid modernization efforts.
Reduces Lifetime Maintenance Costs By preventing conductor wear, fatigue failures, and hardware damage caused by vibration and clashing, head boards significantly reduce the need for costly repairs and unplanned outages over the life of the line.
Industry Standard for Safe and Efficient Bundle Conductor Lines The installation of spacer dampers is a non-negotiable engineering requirement for all bundle conductor transmission lines, representing a mature, proven technology essential for reliable and safe real-world operation.
Head Boards for Two Bundle Conductors are not simple spacers; they are sophisticated mechanical damping devices that play a starring role in the dynamics of a transmission line. They actively manage the forces of wind and electromagnetism to keep the conductors safely apart and calm, ensuring that the high-capacity promise of bundle conductor technology is realized through decades of safe, reliable, and efficient service.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer,Exporter,Trading Company,Seller

  • Year Established:

    2014

  • Total Annual:

    1000000-5000000

  • Employee Number:

    110~150

  • Ecer Certification：

    Verified Supplier

Ningbo Suntech Power Machinery Tools Co.,Ltd. is one of the leading and preferred manufacturers and suppliers in China,and deal with electrical facilities products start from year 1995.We have own main product line for stringing blocks,hydraulic Cable Stands,Anti Twist Steel Wire Rope,etc with ... Ningbo Suntech Power Machinery Tools Co.,Ltd. is one of the leading and preferred manufacturers and suppliers in China,and deal with electrical facilities products start from year 1995.We have own main product line for stringing blocks,hydraulic Cable Stands,Anti Twist Steel Wire Rope,etc with ...

+ Read More

Get in touch with us

  • Reach Us
  • Ningbo Suntech Power Machinery Tools Co.,Ltd.
  • NO.56,Xiwu Street,Fenghua District,Ningbo,Zhejiang,China 315505
  • https://www.stringing-tools.com/

Leave a Message, we will call you back quickly!

Email

Check your email

Phone Number

Check your phone number

Requirement Details

Your message must be between 20-3,000 characters!

Submit Requirement

Trade Alert - Delivering the latest product trends and industry news straight to your inbox.

Home Categories About Us
RFQ Report IPR products Privacy Policy Sitemap

© 2026 Chinax.com. All rights reserved.