2
INSTALLATION
14
OPTIFLUX 4000
www.krohne.com
10/2021 - 4003872405 - QS OPTIFLUX 4000 R08 en
2.9 Mounting
2.9.1 Torques and pressures
Tightening of bolts
•
Always tighten the bolts uniformly and in diagonally opposite sequence.
•
Do not exceed the maximum torque value.
•
Step 1: Apply approx. 50% of max. torque given in table.
•
Step 2: Apply approx. 80% of max. torque given in table.
•
Step 3: Apply 100% of max. torque given in table.
CAUTION!
Please take care to use the proper gasket to prevent damaging the liner of the flowmeter. In
general, the use of spiral wound gaskets is not advised, as it could severely damage the liner of
the flowmeter.
Figure 2-18: Tightening of bolts
