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BS 4344

68th Edition, September 20, 1968

Complete Document

Specification for Pulley blocks for use with natural and synthetic fibre ropes

Includes all amendments and changes through Amendment 3, November 1976


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Detail Summary

Superseded By: BS EN 13157

EN
Additional Comments:
W/D S/S BY BS EN 13157
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Product Details:

  • Revision: 68th Edition, September 20, 1968
  • Published Date: November 1976
  • Status: Superseded By:
  • Superseded By: BS EN 13157
  • Document Language: English
  • Published By: British Standards Institution (BSI)
  • Page Count: 14
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

Requirements for pulley blocks to lift up to 6 tons in combination with natural and synthetic fibre ropes of maximum safe working load up to 10 kN on the single part, rope safety factor 8, maximum rope velocity 0.5 m/s, and a sheave diameter at the bottom of the groove not less than five rope diameters. Materials and heat treatment, block shell , head fitting, becket, axle pins, sheaves, lubrication, locking nuts, finish. Recommendations for contracts and marking of safe working load per rope fall.