ALF 71: Pusher leg for BBC 16W and BBC 34W rock drill - Atlas Copco Iraq

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ALF 71: Pusher leg for BBC 16W and BBC 34W rock drill

8321 0201 94

Pusher legs must be light, yet strong. Standard aluminium is light, but it just isn’t tough enough to meet our high demands. Atlas Copco ALF 71 pusher leg is made with an alloy that was developed for use in spacecrafts. Not only is it strong, but it features a large piston diameter for high feed force. A simple, robust design for reliable operation and a minimum maintenance.


Features & benefits

  • Double-acting: push out and pull back in
  • Simple to connect

Applications

  • Production drilling
  • Mining and construction
  • Dimension stone industry

Technical data

Technical Specifications
Pusher leg typeSingle telescope
Feeding length51 5/32 inch
Length extracted122 7/32 inch
Length retracted71 1/16 inch
Weight31 lb
Piston diameter2 3/4 inch
Double actingYes
Feed control on legNo
Suitable for rock drill
Pusher leg rock drillBBC 16W, BBC 16WS, BBC 34W, BBC 34WS, BBC 34WTH