Emerson Rosemount CCO 5500, Reference Manual

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NOTICE
Rosemount
™
suggests that you tack weld the stand-off pipe to the duct and check the
alignment visually before making a complete weld.
5. Look through one of the mounting flange assemblies.
If the you can see the orifice across the stack clearly, the alignment is satisfactory.
The alignment of these holes is not critical; an integral adjustable mount can
compensate for up to 4 degrees of misalignment.
6. Weld the assemblies in place.
To avoid vibration and movement, you may need to fit spreader plates or bracing
fillets on the mounting flange assembly as shown in
Figure 2-1 .
2.5.2 Isolating valves
To protect operators, Rosemount
™
recommends that you use customer supplied isolating
valves ( Figure 2-2 ) for ducts that operate at higher than atmospheric pressure. Valve
selection and installation is your responsibility.
Isolating Valve and Air Purge Arrangment Figure 2-2:
A. Isolating valve (customer supplied)
B. Adjusting nuts
C. Locking nuts
D. Air purge port
E. Pressure regulator assembly
F. Rear flange
G. Front flange
H. Site mounting flange
Install
Reference Manual 11