GB
Form no.: L453147GB– revision 06/2013
8.
Technical data
8.2
Maximum permissible outlet pressure for W+ pumps
The maximum pump outlet pressure specified below must not be
exceeded (applies to water at 20 °C).
Max. 18 bar:
W+10/8, W+22/20, W+30/80, W+35/55,
W+35/35, W+110/130
Max. 14 bar:
W+25/210, W+30/120, W+50/600, W+50/8,
W+55/35, W+55/60, W+60/110, W+65/350,
W+70/40, W+80/80
The above values also apply to the corresponding Wa+ and Wi+
models.
8.3
Tightening torques
Required torques to tighten the pump shaft on the motor shaft:
M8:
30 Nm (22 ft-lb)
M10:
55 Nm (41 ft-lb)
M12:
80 Nm (59 ft-lb)
M16:
180 Nm (132 ft-lb)
Caution!
Ensure that the key groove in the motor shaft
can be seen through the hole in the stub shaft.
Fig. 12.
Required torque to tighten the cap nut and the inducer:
M10:
45 Nm (33 ft-lb)
M14:
70 Nm (52 ft-lb)
M20:
200 Nm (148 ft-lb)
Required torque to tighten the clamp connection at the pump body
and body cover:
M10:
max. 35 Nm (25 ft-lb)
8.4
Cleaning recommendation
The parts of the pumps which become wet as a result of media are
cleaned using the cleaning agent in the connected pipelines.
Cleaning agents, times and cycles must be modified according
to individual application depending on the degree and nature of
contamination.
Verify the compatibility of the individually selected cleaning
processes and agents with the seal materials being used.
Subject to change.
Fig. 12
16
APV
