Answer: Topping lifts are usually a 24 mm EFSWR of 6 36 w.p.s. Question 2. What is the safe working angle, between the two runners when derricks are rigged in union purchase rig? Answer: Runner wires ...

vacuum lifters and weighing equipment. Maximum load capacity, maximum lifting volume, and application or use are important specifications to consider. Lifting and rigging attachments include a wide ...