Installing the Gas Analyzer  51 
 
Uras26: Gas Connections for Pipelines 
(internal gas lines executed as stainless steel pipes) 
6 
Pressure sensor     
Design:  Screwed fitting with hose nozzle (stainless steel 1.4305/SAE 303) for hose with 
4 mm inner diameter (supplied) 
11 
Sample gas inlet     
12 
Sample gas outlet  with one sample cell   
13 
Sample gas outlet  with two sample cells in series  
Design:  1/8 NPT female thread (stainless steel 1.4305/SAE 303) for threaded 
connections (not supplied) 
Note:  The oxygen sensor, the option "Integrated gas feed" and the version with 
separate gas feed paths are not possible. 
Caldos27: Gas Connections 
1 
Sample gas inlet     
2 
Sample gas outlet     
Design:  1/8 NPT female thread (stainless steel 1.4305/SAE 303) 
Connection of flexible tubes: straight screwed fittings (PP) with nozzles for flexible 
tubes with inside diameter = 4 mm (supplied) 
Connection of pipelines: Threaded connections (not supplied) 
Note:  The sample gas outlet gas path 1 of the Uras26 is connected ex works to the 
sample gas inlet of the Caldos27.