Figure 4-5: Flange Mounting
A.
Transmitter is mounted vertically (maximum deviation of 3-in.)
B.
Use non-metallic fitting or flange
C.
6-in. beam half angle
D.
1.3-in./ft (11 cm/m), minimum of 12-in. (0.3 m)
Procedure
1. If the tank has a flanged nozzle or stand-off:
The instrument (accessory) flanges supplied by Emerson are
manufactured from PVC and are a full face design. Care must be
taken when installing to a raised face mating flange on the tank or
vessel to prevent distortion of the PVC flange by overtightening the
bolts.
a) Attach the transmitter to a non-metal instrument flange
using the threaded connection.
b) Tighten to a torque of 1.5 lb-ft (2 N-m) using the transmitter’s
hexagon.
c) Ensure that the gasket is sitting correctly on the nozzle/tank
flange.
d) Lower the assembled transmitter and instrument flange onto
the tank flange, and secure with appropriate bolting to a
suitable torque for the flanges.
Quick Start Guide August 2019
16 www.emerson.com
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