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Emerson Rosemount 304 Manual Supplement page 3

Natural gas metering manifold, stabilized, non-stabilized, and dielectric isolator kit installation
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Manual Supplement
00809-0200-4816, Rev BA
Figure 2. Components
7
A.
/
16
B. Bolt washer
C. Bolt sleeve
There are two different size washers provided. Failure to install both washers could result in process
leaks. The washer for the bolt sleeve has a larger inner diameter than the washer for the bolt.
5. Slip the bolt washer under the bolt head. Then slip the bolt sleeve over the bolt with the washer.
Finally slip the sleeve washer over the bolt sleeve. Repeat this for all four bolts.
6. Insert the four bolts with sleeves and washers upside down into the connector holes or slots as
shown in
7. Tighten the bolts in sequence as shown in
10 minutes between the initial and final tightening of the bolts to compensate for clamp loss due to
material flow.
Figure 3. Bolt Tightening Sequence
Stabilized, Non-Stabilized, and Dielectric Isolator Kit Installation
1
–20
1
/
-in. bolt
2
Figure
2, and hand tighten into manifold process flange.
Stabilized, Non-Stabilized, and Dielectric Isolator Kit Installation
D. Sleeve washer
E. Dielectric isolator gasket
Figure 3
using torque values provided in
2017
Table
1-1. Wait
3

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