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Installation, 7 mounting – KROHNE OPTIFLUX 1000 EN User Manual

Page 18

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3

INSTALLATION

18

OPTIFLUX 1000

www.krohne.com

04/2014 - 4000846303 - HB OPTIFLUX 1000 R03 en

3.7 Mounting

3.7.1 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 3-16: Tightening of bolts