Specifications

38
Reference Manual
00809-0100-4026, Rev HA
Section 3: Mechanical Installation
November 2014
Mechanical Installation
Table 3-9. Tightening Torque for Process Seal Flanges
3.4.3 Rod antenna threaded connection
Figure 3-20. Mounting the Rosemount 5400 with Rod Antenna and Threaded Tank
Connection
1. Lower the transmitter and antenna into the tank.
2. Turn the transmitter until it is properly secured in the process connection.
3. Make sure the cable entries and display face the right direction.
Note
Tank connections with NPT threads require a sealant for pressure-tight joints.
Flange Torque (Nm) Torque (Lbft)
2 in. (50 mm), 150 lb. 40 30
2 in. (50 mm), 300 lb. 40 30
3 in. (75 mm), 150 lb. 60 44
3 in. (75 mm), 300 lb. 60 44
4 in. (100 mm), 150 lb. 50 37
4 in. (100 mm), 300 lb. 50 37
DN 50 PN 40 40 30
DN 80 PN 40 60 44
DN 100 PN 16 50 37
DN 100 PN 40 50 37
50A 10K 40 30
80A 10K 60 44
100A 10K 50 37
150A 10K 50 37
A. Transmitter housing
B. Nut, 60 Nm (44 Lbft)
C. Locking screw (ATEX)
D. Sealant threads
E. Rod antenna
E
D
C
A
B