文摘
This International Standard provides general principles and specifies requirements for design, manufacture, and testing of new drilling and servicing equipment and replacement primary load carrying components. This International Standard is applicable to rotary tables, rotary bushings, rotary slips, rotary hoses, slush pump components, drawworks components, spiders not capable of use as elevators, manual tongs, safety clamps not used as hoisting devices and power tongs, including spinning wrenches.#,,#