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Features

Specifications

Name: Tandem Sheave Stringing Block

Model: SHR

Applicable: LGJ300-500

Rated Load: 25KN

Weight: 9.5-11KG

Warranty: 1 Year

Basic Infomation

Place of Origin: Ningbo

Brand Name: Suntech

Certification: ISO

Model Number: SHR

Payment & Shipping Terms

Packaging Details: Plywood Case

Delivery Time: 3-7days

Payment Terms: L/C,T/T

Supply Ability: 3000 PCS/Month

Gallery

Professional Tandem Sheave Stringing Block for Simultaneous Installation of Multiple Conductors with 25KN Rated Load and Precision-Engineered Sheaves

Product Description

Professional Tandem Sheave Stringing Block for Simultaneous Installation of Multiple Overhead Conductors

Product Overview

The Tandem Sheave Stringing Block is a specialized, high-capacity installation tool engineered for the efficient and safe installation of bundle conductors in high-voltage and extra-high-voltage transmission line projects. Unlike a standard single-sheave block, it features two or more independent sheaves mounted side-by-side within a single, robust frame. This design allows multiple sub-conductors—which together form a single-phase bundle—to be pulled simultaneously through the same support point on a transmission tower.

Product Specifications

Item Number	Model	Applicable Conductor	Rated Load (kN)	Weight (kg)	Remark
10211	SHR-2.5	LGJ300-500	25	11	Aluminium sheave
10212	SHRN-2.5	LGJ300-500	25	9.5	Nylon sheave

Key Features & Benefits

Enables Simultaneous Pulling of Multiple Bundle Conductors: Install multiple sub-conductors in a single, synchronized operation, dramatically reducing stringing time and labor costs.

Ensures Consistent Spacing and Alignment Within the Bundle: Sheaves fixed at precise engineered distances enforce correct spacing between sub-conductors for optimal electrical performance.

Dramatically Reduces Installation Time and Labor Requirements: Single setup of tensioning equipment installs entire phase bundle, minimizing crew exposure and accelerating project timelines.

Minimizes Wear on Stringing Equipment and Infrastructure: Consolidates work into one pull, reducing total cycles of wear on all associated equipment and lowering operating costs.

Improves Worksite Safety Through Fewer Equipment Operations: Reduces high-tension pulling events and operational phases, creating a safer work environment.

Provides Individual Bearing Protection for Each Conductor: Each sheave operates independently on its own sealed bearings, ensuring smooth travel and preventing conductor damage.

Designed for Heavy-Duty Use and Long-Term Reliability: Constructed from high-strength aluminum alloys or steel with reinforced frames and oversized axles for years of reliable service.

Facilitates Accurate Sag and Tension Control for the Entire Bundle: Promotes uniform sag across all conductors through simultaneous pulling under identical tension profiles.

Critical Tool for Modern High-Capacity Transmission Line Construction: Essential equipment for building or upgrading the high-voltage backbone of the power grid.

Offers Strong Return on Investment Through Operational Efficiency: Rapid ROI through reduced labor hours, shorter project durations, and improved scheduling reliability.

Summary

The Tandem Sheave Stringing Block is a force multiplier in transmission line construction. It transforms the labor-intensive process of installing bundle conductors from a series of sequential tasks into a single, coordinated operation. By enabling simultaneous pulling, it delivers unmatched gains in efficiency, ensures superior installation quality, enhances jobsite safety, and provides a compelling economic advantage. For any entity involved in building high-capacity power lines, this tool is not just beneficial—it is essential.

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Contact Person :	Mr. Peter Mao
Tel :	86-13958364836

Professional Tandem Sheave Stringing Block for Simultaneous Installation of Multiple Conductors with 25KN Rated Load and Precision-Engineered Sheaves

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