10
Kamstrup A/S • 55123307_A1_EN-US_06.2022
Installation guide flowIQ® 4200
4.3.2 Criss-cross pattern
Tighten all flange bolts in a criss-cross pattern according to the correct tightening
torque. Repeat this procedure three times according to the torque table below.
Follow the tightening pattern as shown in the figures below:
4.3.3 Installing the split flanges on the meter first
• Place the meter vertically on one end
• Fixate the two split flanges together by using a ¼” bolt
• Place the flange around the meter and close the flange by fixing a second ¼” bolt in
the opposite side
• Turn the meter upside down and install the other split flange
Meter flange
Meter size
Bolt size
inch
Tightening torque
PN16
6”
3/4”
180 ft x lbs
8”
3/4”
180 ft x lbs
10”
7/8”
250 ft x lbs
12”
7/8”
250 ft x lbs
8-bolt
1
2
3
4
5
6
7
8
12-bolt
1
2
3
4
11
12
5
10
6
7
8
9