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Ningbo Suntech Power Machinery Tools Co.,Ltd.
Ningbo Suntech Power Machinery Tools Co.,Ltd.
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2KN Double Sheave Block: OPGW & Overhead Grounding Wire Exchanging Roller

Ningbo Suntech Power Machinery Tools Co.,Ltd.
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2KN Double Sheave Block: OPGW & Overhead Grounding Wire Exchanging Roller

Brand Name : Suntech

Model Number : SH2

Certification : ISO9001

Place of Origin : Ningbo

MOQ : 1 PCS

Price : Negotiable

Payment Terms : T/T,L/C

Supply Ability : 500 PCS/Month

Delivery Time : 3-7days

Packaging Details : Plywood Case

Name : Double Sheave Block for Changing Line

Model : SH2

Rated Load : 2KN

Weight : 2.4KG

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2KN Double Sheave Block: OPGW & Overhead Grounding Wire Exchanging Roller
Product Overview

The SH2-OPGW series Double Sheave Block is a specialized precision tool designed for exchanging overhead grounding wires with OPGW (Optical Budget Ground Wire) in live-line or de-energized operations. Engineered by Suntech Power, this lightweight block features a dual-sheave configuration that ensures balanced traction and minimizes the risk of fiber optic damage during stringing. Weighing as little as 2.2kg, it is optimized for high-altitude efficiency and long-distance line replacement projects.

Technical Specifications

Our line exchanging blocks are built to ISO 9001:2008 standards, ensuring reliability in critical power utility environments:

Item Number Model Outing Size (mm) Rated Load (KN) Weight (kg)
20123 SH2-OPGW1 152 x 110 x 343 2 KN 2.4 kg
20124 SH2-OPGW2 128 x 65 x 365 2 KN 2.2 kg
  • Rated Load: 2 KN (Safe working load for fiber optic cables)
  • Sheave Material: High-quality MC Nylon (To prevent abrasion on OPGW)
  • Warranty: 1 Year
Key Technical Advantages
  • Dual-Sheave Balance: The double-wheel design provides stable support for the "old-wire-pulls-new-wire" method, preventing twisting during the OPGW exchange.
  • Ultra-Lightweight Design: At only 2.2kg, it significantly reduces the labor intensity for linemen working on overhead lattice towers.
  • Fiber-Safe Sheaves: Typically equipped with nylon sheaves that provide a smooth, low-friction path, protecting the delicate internal optical fibers from mechanical stress.
  • Compact Form Factor: The streamlined outing size allows for easy transport and rapid deployment in restricted tower spaces.
Applications
  • OPGW Stringing & Exchanging: Primary use in replacing aging overhead ground wires with modern OPGW.
  • Live-Line Maintenance: Suitable for power utility upgrades where minimizing downtime is critical.
  • Transmission Line Upgrades: Essential for telecommunication and power grid integration projects.
Professional Buyer FAQ
Q1: Can this block be used for heavy conductor stringing?

No. This block has a rated load of 2KN and is specifically designed for lightweight OPGW or grounding wires. For heavy conductors, please refer to our heavy-duty single sheave stringing blocks.

Q2: What is the benefit of the MC Nylon sheave in this model?

The nylon sheave is non-conductive and softer than steel, which ensures that the OPGW's aluminum-clad steel wires and internal fibers are not crushed or scratched during the exchange process.

Q3: How many units do you provide per month?

We have a steady supply ability of 1000 PCS per month to support large-scale national grid projects.


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