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Construction / Snatch / Misc Blocks

Construction Block With Shackle 1 Sheave

Details 1-sheave construction blocks with Working Load Limits (WLL) from 20 to 90 UStons. These units are standard-delivered with bronze bearings and feature versatile head configurations including hangers, pins, and swivel eyes.

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Heavy-Duty Utility Lifting: Construction Block with Shackle (1 Sheave)

The Construction Block with Shackle (1 Sheave) is a robust rigging component designed for various utility lifting and construction applications. Engineered for durability, these blocks feature a single-sheave design and are supplied with a shackle attachment as standard. To ensure reliable performance under heavy use, each unit is standard-fitted with bronze bearings.

Engineered Safety and Versatility
  • Structural Design Factor: Each block is manufactured to a Minimum Ultimate Strength of four times the Working Load Limit (4 X WLL).
  • Broad Capacity Range: Standard models are available with Working Load Limits ranging from 20 UStons up to 90 UStons.
  • Custom Configurations: While standard models are featured, Ropeblock welcomes inquiries for custom-engineered versions to meet specific site requirements.
  • Attachment Options: Beyond the standard shackle, optional configurations include versions with hanger, with pin, with swivel eye, or with swivel jaw.
Precision Manufacturing and Integration
  • Optimized D/d Ratios: Users are advised to refer to wire rope manufacturers’ guidelines for appropriate sheave-to-rope diameter (D/d) ratios to ensure longevity.
  • Extensive Rope Compatibility: Standard models accommodate wire rope diameters from 1/2″ up to 1-1/2″.
  • Design-Led Production: Dimensional data is indicative; a final technical drawing is always submitted for approval prior to production to ensure precise fitment.

Construction Block (1 Sheave) Technical Specifications

The following table provides technical data for the 1-sheave Construction Block series. Please contact our technical department for full dimensional approval (ØD1, ØD2, B, ØD, ØP, TD, ØZ, T, TA, TB, TL, W) prior to ordering

⚠ Safety Warning: Always adhere to the rated Working Load Limit (WLL). The Minimum Ultimate Strength is rated at 4 X WLL. Before installation, consult the comprehensive warning and safety information provided on pages 136-145