KROHNE OPTIFLUX 1000 Quickstart EN - Manual (Page 12)

2
INSTALLATION
12
OPTIFLUX 1000
www.krohne.com 04/2014 - 4002298502 - QS OPTIFLUX 1000 R06 en
2.9 Mounting
2.9.1 Torques and pressures
The maximum pressure and torques values for the flowmeter are theoretical and calculated for
optimum conditions and use with carbon steel flanges.
Tightening of bolts
• Always tighten the bolts uniformely 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.
Figure 2-17: Tightening of bolts