KROHNE BATCHFLUX 3100, Быстрый старт

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2
INSTALLATION
14
BATCHFLUX 3100 C
www.krohne.com 09/2020 - 4008472601 - QS BATCHFLUX 3100 - R01 en
2.7.12 Torques and pressures
The maximum pressure and torques values for the flowmeter are theoretical and calculated for
optimum conditions and use with steel counter flanges.
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.
Figure 2-17: Tightening of bolts
Nominal
size
Counter flanges Max.
operating
pressure
Bolts Bush /
spacer
Max. torque
[Nm]
Flange
size
Flange
class
DN15 15 [mm] PN16
d
8 [bar] 4 x M8 solid spacer 22
4 x M6 open bush 9
½
"
½
[inch] 150 [lb]
d
116 [psi] 4 x M8 solid spacer 22
4 x M6 open bush 9