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Tube Tools by Powermaster Industrial

Retubing tools for heat exchangers, boilers, oil coolers and condensers. Construction tooling for heavy industry.

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Collins Series Tube Expanders

Collins - V series


The Collins series tube expanders are used on boilers with thin tube sheets. These expanders work approximately twice as quickly during the expansion as other conventional types of expanders.

If used through a water leg then use the Header type mandrel.

Advantages of the Collins Series Tube Expanders:

  • Speed.

Tube and Sheet Sizes:

  • 1″- 3″ OD.
  • Tube Sheet 1/2″
  • 1/2″, 3/4″ and 1″ Square mandrel drive.

Follow the link below for the full PDF specifications: