Flue pipe
Flue pipe
Single wall system


Metallic flue pipes Joint

JOINT is a single wall system suitable for exhaust fumes. It does not need locking bands since mechanical tightness is guaranteed by a male-female socket with the exclusive trapezoidal threading patented by Beza. It is the perfect choice when it comes to conducts thanks to its extremely low overall volume. The JOINT system is composed of single wall elements with circular section. It resists to corrosion and its maximum operating temperature is 600°C. The JOINT elements are manufactured in 0,4 mm (standard thickness) stainless steel AISI 316L. They have BA shining finish, longitudinal plasma welding and a heat-resistant silicon seal.

Single wall flue system Joint

The features of this system are quoted in the “Declaration Of Performance – D.O.P” (to download the D.O.P simply click on the image at the bottom of this page). A full comprehension of the D.O.P ensures a correct use of this product. Should you need further information please feel free to contact us.


The symbols P1, W, V2, clearly quoted both in the label affixed on the pipe and in the D.O.P. (Declaration Of Performance), unequivocally indicate that this particular flue system is definitely suitable for condensing state-of-the-art boilers.


La sua installazione e abbinamento con gli apparecchi deve essere affidata a professionisti qualificati che ottemperano alle normative più recenti nel rispetto delle legge cogenti.
Its installation and matching with various boilers must be left to skilled professionals that will respect the standards and laws in effect. This product will be the installer’s or designer’s first choice since it can be perfectly matched with:


Single wall system JOINT

With seal

Flue pipe

Without seal

Flue pipe


Methane gas


Steams of cooking

Diesel oil


Complies with UNI EN 14961-2


Request information