Emerson 308014EN Manuel D’Utilisation

Page de 166
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Rosemount Tank Radar REX
Chapter 10 Mechanical Installation
Installation Manual
308014EN, Edition 4
May 2013
10.3.2 Still Pipe Requirements
The RTG 3950 Still-pipe Array antenna fits 5", 6", 8", 10" and 12" flanges 
and pipes. The adaption is accomplished by selecting a suitable Still-
pipe Array antenna. The gauge has a meeting flange for sealing of the 
tank. 
The still pipe must be vertical within 0.5° (0.2 m over 20 m). 
Table 10-1. Antenna size and corresponding pipe inner diameter.
10.3.3 Flange Requirements
The RTG 3950 Still-pipe Array antenna fits flanges of sizes 5", 6", 8", 10" 
and 12". The gauge has a meeting flange for sealing of the tank. The 
flange must be horizontal within ±2°. 
Figure 10-10. The flange must be horizontal within ±2°.
Antenna size (mm)
Pipe
Size
Inner diameter (mm)
120.2
5" SCH10-SCH60
134.5 - 125.3
145.2
6" SCH10-SCH60
161.5 - 150.3
189
8" SCH20-SCH80
206.3 - 193.7
243
10" SCH10-SCH60
264.7 - 247.7
293.5
12" SCH 10-40-XS
314.7 - 298.5
3940_FlangeRequirements.eps