Emerson Rosemount 2051 Series Quick Start Manual page 6

Quick Start Guide
Figure 1-2: Common Transmitter Assemblies
4 × 1.75-in.
(44 mm)
4 × 2.88-in.
(73 mm)
A. Transmitter with coplanar flange
B. Transmitter with coplanar flange and optional flange adapters
C. Transmitter with traditional flange and optional flange adapters
D. Transmitter with coplanar flange and optional manifold and flange
adapters
Bolts are typically carbon steel or stainless steel. Confirm the material by
viewing the markings on the head of the bolt and referencing
material is not shown in
Management representative for more information.
Carbon steel bolts do not require lubrication and the stainless steel bolts are
coated with a lubricant to ease installation. However, no additional lubricant
should be applied when installing either type of bolt.
Use the following bolt installation procedure:
Procedure
1. Finger tighten the bolts.
2. Torque the bolts to the initial torque value using a crossing pattern.
See
3. Torque the bolts to the final torque value using the same crossing
pattern. See
4. Verify the flange bolts are protruding through the sensor module bolt
holes before applying pressure.
6 Rosemount 2051 Pressure Transmitter and Rosemount 2051CF Series Flowmeter Quick Start Guide
A
B
4 ×
(44 mm)
Table
Table 1-1 for initial torque value.
Table 1-1
C
4 × 2.25-in.
(57 mm)
1.75-in.
4 × 1.50-in.
(38 mm)
1-1, contact a local Emerson Process
for final torque value.
February 2019
D
4 × 1.75-in.
(44 mm)
Table 1-1. If bolt