Installation Dimensions - Grundfos MTH Serie Instrucciones De Instalación Y Funcionamiento

2.2.2 Bypass pipe
To reduce the risk of water hammer
damaging the pump, we recommend that
you install a bypass line.
A
Fig. 3 Example of a bypass pipe (A)

2.2.3 Installation dimensions

X1
Fig. 4 Installation dimensions
Measurement Dimension
B Depending on pump type.
C Depending on motor type.
X1 200 mm
X2 150 mm
This measurement must be at
least 30 mm longer than
Y1 measurement B to allow sufficient
space for removing the pump in
case of service and maintenance.
6
X2
Pump mounting flange dimensions
c
L
D1
D2
D3
Fig. 5 Dimensional sketch
Pump
D1 D2 D3
type
MTH 2,
140 160 180 121
4 and 8
MTH 10
180 210 250 132 Rp/G 1 1/4
and 15
4 x X
L C X
∅7.5
Rp 3/4
∅9