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Universal Stringing Block with Dual Mounting Design, Low-Friction Sheave, and Heavy-Duty Bearings for Power Line Construction

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Universal Stringing Block with Dual Mounting Design, Low-Friction Sheave, and Heavy-Duty Bearings for Power Line Construction

Name: Universal Stringing Block with Dual Mounting Design LowFriction Sheave and HeavyDuty Bearings for Power Line Construction
Brand: Net Electric Power
Price: 1 USD

Quality Universal Stringing Block with Dual Mounting Design, Low-Friction Sheave, and Heavy-Duty Bearings for Power Line Construction for sale

Certification : ISO9001 45001 14001

Place of Origin : CHINA

Working Load Limit : 2,500 lbs (11.3 kN)

Sheave Diameter : 7 in (178 mm)

Sheave Width : 3 in (76 mm)

Supply Ability : 100pices/per

MOQ : 100

Max Conductor OD : 1-3/4 in (44.5 mm)

Brand Name : Net Electric Power

Net Weight : 8-11 lbs (3.6-5.0 kg)

Operating Temperature : −5°F to 250°F (−20°C to 121°C)

Delivery Time : 5-8 work days

Packaging Details : standard package

Payment Terms : T/T,L/C

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The Universal Line-Stringing Sheave is a robust and durable pulley system featuring versatile mounting options, specifically engineered for the construction of overhead power lines, fiber optic communication cables, and utility infrastructure. During line-stringing, pulling, and tensioning operations, it effectively supports, guides, and protects the conductors. A single sheave unit is sufficient to simultaneously accommodate cross-arm mounting, suspension-style hanging, and compatibility with a wide range of conductor sizes.

Key Features

Dual Mounting Design:

Can be mounted directly onto cross-arms (accommodating sizes ranging from 5"×6" to 9½"×7") or suspended via hooks or sockets. It offers five distinct mounting positions, supporting both vertical and angled configurations.

Low-Friction Sheave:

Features a precision-machined groove profile to ensure smooth conductor passage. The groove liner is available in optional materials—including polyurethane, nylon, aluminum alloy, or ductile iron—to effectively prevent conductor abrasion.

Heavy-Duty Bearings:

Utilizes double-sealed deep-groove ball bearings with built-in permanent lubrication, ensuring a long service life across a wide operating temperature range of −5°F to 250°F.

Secure Locking Mechanism:

Equipped with a spring-loaded locking pin featuring an oversized pull-ring, facilitating remote operation using an insulated hot stick. The locking mechanism is robust and reliable, effectively preventing accidental dislodgment.

Lightweight, High-Strength Construction:

Features a frame cast from A356 aluminum alloy, which has undergone heat treatment for enhanced strength; this design achieves a lightweight profile while maintaining exceptional structural toughness.

Parameter	Value
Model	XS‑100‑B / Universal 7"
Sheave Diameter	7 in (178 mm)
Sheave Width	3 in (76 mm)
Max Conductor OD	1‑3/4 in (44.5 mm)
Working Load Limit (WLL)	2,500 lbs (11.3 kN)
Net Weight	8–11 lbs (3.6–5.0 kg)
Bearing Type	Double‑shielded deep‑groove ball
Frame Material	Heat‑treated A356 aluminum
Sheave Liner Options	Urethane, nylon, polished aluminum, ductile iron
Mounting	Crossarm (5 positions) + suspension hook/socket
Operating Temp	−5°F to 250°F (−20°C to 121°C)

Universal Stringing Block with Dual Mounting Design, Low-Friction Sheave, and Heavy-Duty Bearings for Power Line Construction

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Universal Stringing Block with Dual Mounting Design, Low-Friction Sheave, and Heavy-Duty Bearings for Power Line Construction

Universal Stringing Block with Dual Mounting Design, Low-Friction Sheave, and Heavy-Duty Bearings for Power Line Construction

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Universal Stringing Block with Dual Mounting Design, Low-Friction Sheave, and Heavy-Duty Bearings for Power Line Construction Images