IS 13156 : 1991 Sheave pulley blocks for wire rope_- Specifications

1 Scope

This standard covers the requirements of single, double andtriple sheave pulley blocks of nominal sheave size from 160 to 320mm dia for wire ropes of nominal size from 12 to 22 mm dia for amaximum safe working load of 40 kN on the single part.

2 References

IS 210 :1978Grey iron castings

IS 226 :1975Structural steel (standard quality)

IS 549 :1974Split pins

IS 1875 :1978Carbon steel billets, blooms, slabs and bars forforgings

IS 3121 :1981Rigging screws and stretching screws

IS 3815 :1969Point hooks with shank for general engineeringpurposes

IS 4218 : Part 3 :1976 ISO metric screw threads :Part 3 Basic dimensions for design profiles

IS 6498 :1971Glossary of terms used in connection with pulleyblocks