scope:

This International Standard provides general principles and specifies requirements for design, manufacture and testing of new drilling and well-servicing equipment and of replacement primary load-carrying components manufactured subsequent to the publication of this International Standard.

This International Standard is applicable to the following equipment:

a) rotary tables;

b) rotary bushings;

c) rotary slips;

d) rotary hoses;

e) piston mud-pump components;

f) drawworks components;

g) spiders not capable of use as elevators;

h) manual tongs;

i) safety clamps not used as hoisting devices;

j) power tongs, including spinning wrenches.

Annex A gives a number of standardized supplementary requirements which apply only when specified