BS 4344:1968
Pulley blocks for use with natural and synthetic fibre ropes
- Standard No.
- BS 4344:1968
- Release Date
- 1968
- Published By
- British Standards Institution (BSI)
- Status
- 2005-01
- Replace By
- BS EN 13157:2004
- BS EN 13157:2004+A1:2009
- BS EN 13157:2005
- BS EN 13157+A1:2005
- Latest
- BS EN 13157:2004+A1:2009
- BS EN 13157:2005
- BS EN 13157+A1:2005
- Scope
- 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.
BS 4344:1968 history
- 2005 BS EN 13157:2004+A1:2009 Cranes. Safety. Hand powered cranes
- 2005 BS EN 13157:2004 Cranes - Safety - Hand powered lifting equipment
- 1968 BS 4344:1968 Pulley blocks for use with natural and synthetic fibre ropes
