2. Piping
■
Tightening torque between discharge/ suction ports and pipes
Connections between the pipes and the pump ports should be tightened according to the table below.
Tightening torque (RV)
■
Piping load and momentum
The permissible piping weight and moment to the pump are as below.
- 11 -
Bolt size
M16
Tightening torque
78.4 N•m
Z
X
Y
X
Z
Y
Load direction
Suction flange
Fx
Fy (Contraction/Tension)
0.58
Fz
0.71
Load kN
Discharge flange
AMP 40 & 50
0.71
0.89
0.58
AMP 40 & 50
0.89/0.44
Load direction
Suction flange
Mx
My
0.35
Mz
0.23
Moment kN · m
Discharge flange
AMP 40 & 50
0.35
0.46
0.23
AMP 40 & 50
0.46
Installation
Permissible moment to the pump flange
Permissible stress to the pump flange
