Emerson Rosemount 520 - Flange Mounting

February 2019
8
Quick Start Guide
3.4 Flange mounting
1. Install a suitable flange connection to the tank wall.
2. Secure the provided flange to the tank flange connection.
3. Secure the transmitter in the flange by use of the provided nut and gasket. The
recommended torque is 20 N-m.
Note
Emerson recommends installing a ball valve between the tank wall and transmitter to
facilitate transmitter service and maintenance.
Figure 4. Installation Drawing
A. Optional junction box
B. Refer to Table 1
C. Tank top
D. Refer to Table 1
E. Dead zone
F. Tank bottom
G. Vent pipe
H. Flange
I. Gasket
J. Transmitter
K. Refer to Table 1
L. Nipple pipe connector
C
A
G
F
E
I
D
K
B
H
L
J
d
00825-0100-4520_RevAC.fm Page 8 Thursday, February 7, 2019 10:16 AM