Stainless Steel Flange Alignment Pins – FLUPS

Flange Line Up Pins aid the welder in checking or obtaining critical alignment of flange to the pipe. The Mathey Dearman Flange Aligning Pins are multi-purpose to rapidly align carbon steel and stainless steel. Additionally, the spring and end cap allow for expansion during welding.

Wobble nut flup
Stainless Steel Flange Alignment Pin

Wobble Nut Flup Part Number 05-0100-010
In the Wobble Nut FLUP variation, the FLUP is unscrewed 3/4 turn, tilted and released from the flange in seconds.

 Stainless Steel Flange Alignment Pins - FLUPS

Slidelock flup

Slide Lock Flup Part Number 05-0100-000
A simple push of the “Thumb-Lock” allows the flange pin to quickly release itself from the flange.  Stainless steel.

Slide Lock Flup - Pipe Flange Alignment pin

Bush Button Steel Flange Line Up Pin Part Number 05.0100.0020

Introducing the latest addition to the Mathey Dearman Flange Line Up Pins (FLUP) range, our new push-button carbon steel model. The new Flange Line Up Pin installs and removes quickly thanks to its convenient push-button operation. Rugged ACME thread and rust-resistant black oxide coated carbon steel means you can expect years of reliable use.
Our most affordable FLUP still provides the accuracy and ease of use that you’ve come to expect from quality Mathey Dearman pipefitting tools. The wide profile supports a level or square solidly when used in pairs.


  • Accurate
  • Fast
  • One person Set Up

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Stainless Steel Flange Alignment Pins - FLUPS

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