Components Of The Pipe System; Pipes And Pipe Connections - Siemens FDA241 Planning, Mounting

3.7 Components of the pipe system

3.7.1 Pipes and pipe connections

Building Technologies
Fire Safety
The following chapters describe different components and tools for setting up a
pipe system for aspirating smoke detectors.
Before starting the planning process, check whether there are local or national
regulations for selecting the pipe system!
The symbol is used if there are no graphics for an accessory.
Features of components
It is essential to adhere to the following minimum requirements:
All components meet the criteria of standard EN 61386-1 class 1131.
If non-classified pipes are being used, the pipes must satisfy the requirements
in EN 54-20, sections 5.7 and 5.8.
Pipe
Pipe connection
System description
Components of the pipe system
Piping for air aspiration
Outer diameter: 25 mm (1 inch)
Inner diameter: 21 mm
Pipes can be trimmed to the required length
using a pipe cutter
Pipes can be connected using glued pipe
connections
Material: Typically PVC or ABS depending on
the ambient conditions
For connecting two pipes with an outer
diameter of 25 mm (1 inch)
The pipes are glued to the pipe connection
Material: Typically PVC or ABS depending on
the ambient conditions
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2017-09-12