Board Thread:Questions and Answers/@comment-5877350-20121216100631/@comment-5880502-20121217023809

You can my tip is using a Filter if you are using RedPower pipes. Place the item you want sucked out in the filter and it will then only pull that kind of item from the chest.

If you are using buildcraft pipes, use an advanced wooden pipe and place the item you want sucked out in it's interface, make sure that it's set to "These items are required" and then connect it to another chest etc then place your engine to start pumping out the items.