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Nipple wrench (plumbing) (2414 views - Tooling)

In plumbing, a nipple wrench is often known as an inside pipe wrench. An eccentric toothed gear is mounted on a hexagonal shaft. The wrench is introduced inside the pipe (especially a close nipple, which has threading its entire length, and therefore no surface for an outside wrench). As the wrench is turned, the eccentric gear is forced to grip the inside of the pipe. As with a regular pipe wrench, the mechanism is such that the grip on the pipe increases with the torque applied on the wrench. It is a relatively obscure but often useful tool.
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Nipple wrench (plumbing)

Nipple wrench (plumbing)

In plumbing, a nipple wrench is often known as an inside pipe wrench.

An eccentric toothed gear is mounted on a hexagonal shaft. The wrench is introduced inside the pipe (especially a close nipple, which has threading its entire length, and therefore no surface for an outside wrench). As the wrench is turned, the eccentric gear is forced to grip the inside of the pipe. As with a regular pipe wrench, the mechanism is such that the grip on the pipe increases with the torque applied on the wrench.

It is a relatively obscure but often useful tool.




This article uses material from the Wikipedia article "Nipple wrench (plumbing)", which is released under the Creative Commons Attribution-Share-Alike License 3.0. There is a list of all authors in Wikipedia

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