Process Connections - Emerson Rosemount 3051S Series Reference Manual

Reference Manual
00809-0100-4801, Rev EA
August 2010
Figure 2-3. Coplanar Installation
Examples
Figure 2-4. In-Line Installation
Examples

Process Connections

LIQUID SERVICE
LIQUID
SERVICE
3051S transmitter flange process connection size is
adapters with / –14 NPT connections are available as the D2 option. Use
1
2
your plant-approved lubricant or sealant when making the process
connections. The process connections on the transmitter flange are on
2 / -inch (54 mm) centers to allow direct mounting to a three-valve or
1
8
five-valve manifold. Rotate one or both of the flange adapters to attain
connection centers of 2-in. (51 mm), 2
Install and tighten all four flange bolts before applying pressure to avoid
leakage. When properly installed, the flange bolts will protrude through the top
of the SuperModule housing. Do not attempt to loosen or remove the flange
bolts while the transmitter is in service.
To install adapters to a Coplanar flange, perform the following procedure:
1. Remove the flange bolts.
2. Leaving the flange in place, move the adapters into position with the
O-ring installed.
3. Clamp the adapters and the Coplanar flange to the transmitter module
using the longer of the bolts supplied.
4. Tighten the bolts. Refer to Table 2-1 on page 2-7 for torque
specifications.
Rosemount 3051S Series
GAS SERVICE STEAM SERVICE
FLOW
GAS SERVICE
/ –18 NPT. Flange
1
4
/ -in. (54 mm), or 2
1
8
STEAM SERVICE
/ -in. (57 mm).
1
4
2-11