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February 2024
2.5
Bolting considerations
If the transmitter installation requires assembly of the process
flanges, manifolds, or flange adapters, follow these assembly
guidelines to ensure a tight seal for optimal performance
characteristics of the transmitters.
Use only bolts supplied with the transmitter or sold by Emerson as
spare parts.
with the bolt length required for proper transmitter assembly.
Figure 2-4: 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
Table
2-2. If bolt material is not shown in
Emerson representative for more information.
2.5.1 Install bolts
NOTICE
Carbon steel bolts do not require lubrication and the stainless steel
bolts are coated with a lubricant to ease installation. Do not apply any
additional lubricant when installing either type of bolt.
Quick Start Guide
Figure 2-4
illustrates common transmitter assemblies
A
B
4
(44 mm)
C
4 × 2.25-in.
×
1.75-in.
4
×
1.50-in.
(38 mm)
Table
Quick Start Guide
(57 mm)
4 × 1.75-in.
(44 mm)
2-2, contact your local
D
9
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