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Collection of items. Note solid fill on the inputs and no fill on the output.

The iron pipe is used to join multiple input pipes to one output pipe. Without the pipes items will randomly choose which way to go upon reaching a junction meaning many will go where you don't want them.

The iron pipe only has one output and multiple inputs, which are indicated by the presence or absence of a solid fill. In some versions the output is indicated by a solid fill, in others this indicates input (as is the case in the image to the right).

The direction can be changed by right-clicking the pipe with a wrench. The output direction can also be changed by redstone current. Every time it either loses or gains redstone power, it will cycle to a different output, however it will never output to a wooden pipe.

This combination of properties allows for players to accurately control its output direction from afar, via redstone wiring and/or gates . The iron pipe will pop out blocks if they try to go through the barrier that makes them go the correct direction as of 2.0. Also it will not pop out blocks if a chest, engine etc. is full, it will simply go back through the pipe.

Iron Pipes will occasionally bug when they have more than 2 additional pipes connected. This bug presents itself as the pipe visually showing it will allow items to pass through in a direction, but instead the items either bounce back the way they came or move off in one of the blocked directions.

Iron pipes can be waterproofed.


Iron Ingot


Iron Ingot

Iron Pipe

Iron Pipe

Iron Pipe


  • 2 x Iron Ingot
  • 1 x Glass

Produces: 8 x Iron Pipe

see: Crafting Guide

Setup Demonstration[]


Iron Transport Pipe - Buildcraft In Less Than 90 Seconds