BS 4344:1968
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Pulley blocks for use with natural and synthetic fibre ropes
Hardcopy , PDF
01-03-2006
English
20-09-1968
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Cooperating organizations
Foreword
Specification
1. Scope
2. Definitions
3. Design
4. Rope
5. Materials
6. Block shell
7. Head fittings
8. Becket
9. Axle pins
10. Sheaves
11. Lubrication
12. Locking nuts
13. Finish
14. Proof load
15. Examination after proof loading
16. Overload design test
17. Marking
18. Certificate of test and examination
Appendices
A. Recommendations relating to contracts
B. Details which should be agreed between the
purchaser and the supplier
C. Marking of safe working load per rope fall
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.
| Committee |
MHE/3/-/6
|
| DevelopmentNote |
Supersedes 66/17264 DC and BS 1839(1952) (08/2005)
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| UNE-EN 14728:2019 | Identical |
| BS 5974:1990 | Code of practice for temporarily installed suspended scaffolds and access equipment |
| DEFSTAN 02-113/1(2005) : 2005 | REQUIREMENT FOR MECHANICAL HANDLING |
| BS 2789:1961 | Specification for iron castings with spheroidal or nodular graphite |
| BS 1486-3(1949) : LATEST | LIGHT-WEIGHT MINIATURE LUBRICATING NIPPLES |
| BS 2902:1957 | Specification. Higher tensile steel chain slings and rings, links alternative to rings, egg links and intermediate links |
| BS 1486-1:1959 | Lubricating nipples Lubricating nipples and adaptors for use on machinery and vehicles |
| BS 919-3:1968 | Specification for screw gauge limits and tolerances Gauges for ISO metric screw threads |
| BS 4018:1966 | Specification for pulley blocks for use with wire rope for a maximum lift of 25 tonf in combination |
| BS 919-1:1960 | Specification for screw gauge limits and tolerances Gauges for screw threads of Unified form |
| BS 3758(1964) : LATEST | POLYESTER FILAMENT ROPES (HAWSER LAID) |
| BS 1452:1961 | Specification for grey iron castings |
| BS 1486-2:1961 | Lubricating nipples Heavy duty lubricating nipples |
| BS 970:1955 | Wrought steels (bars billets and forgings |
| BS 919-2(1952) : LATEST | |
| BS 2052:1977 | Specification for ropes made from manila, sisal, hemp, cotton and coir |
| BS 3032:1958 | Specification for higher tensile steel shackles |
| BS 350:2004 | Conversion factors for units |
| BS 919-4:1964 | Specification for screw gauge limits and tolerances Limits of size for gauges for screw threads of Unified form diameters ¼ in and larger |
| BS 3912(1965) : LATEST | POLYTHENE FILAMENT ROPES (HAWSER LAID) |
| BS 3977(1966) : LATEST | POLYAMIDE (NYLON) FILAMENT ROPES (HAWSER LAID) |
| BS 1486-4:1981 | Lubricating nipples. Specification for hydraulic grease nipples |
| BS 1839(1952) : LATEST |
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