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april 2011

anaerobic sealant for the tightness of threaded brass fittings

For the tightness of threaded brass fittings, we can use special sealants as well as classic methods like teflon and hemp.

The tightness of threaded brass fittings occurs through a conical coupling on the thread, though we must bear in mind that the metal-on-metal coupling is not always enough to seal both liquids and gases.
As hinted above, there are methods by now consolidated to seal these threaded brass fittings, the best-known one being natural hemp which, combined with green paste, ensures tightness. We should however bear in mind that, especially at high temperatures, aging could result in leakages.
Another method to ensure the tightness of threaded brass fittings is to use teflon tape, a material suiting high temperatures more, yet one which, like hemp, requires a certain deal of ability for its positioning, which must follow the correct side of the thread.
Lastly, a recently designed method is the anaerobic sealant, a fluid to be placed on the threaded brass fittings, which, once screwed, polymerises the fitting with the pipe, thereby ensuring the final seal. Here, the most complex part is to choose the right material based on the fluid to conduct.

16/11/2017


See also
16/04/2017 Gas fittings: construction and sealant GNALI BOCIA gas fittings are made from brass and every versatile

16/11/2014 Sealing hydraulic fittings Use of Teflon and sealants for sealing joints made ​​of brass hydraulic fittings

16/06/2016 Brass fittings and their sealing In order to seal joints with brass fittings, it is necessary to choose the right sealing material that is compatible with the system fluid.

16/06/2017 Hydraulic fittings and material internal stress Hydraulic fittings of brass with gas thread for sealed connections in plumbing and heating systems

16/02/2015 Key features of brass threaded fittings The threads and above all the parameters for the use of brass threaded fittings


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