EBARA EVM Series Operating And Maintenance Manual page 11

15.5 POSITIONING OF HOLES FOR FASTENING DOWN
Pump
D
model
mm
EVMS1
EVMS3
EVMS5
12
EVMS10
EVMS15
EVMS20
EVM32
EVM45 14
EVM64
15.6 WARNINGS FOR CORRECT OPERATION OF EVM MOTOR-DRIVEN
PUMPS (FIG. 1 - FIG. 2)
FIG. 1
a) Good immersion;
b) Positive slope;
c) Wide-radius bend
d) Pipework with independent supports;
e) Suction pipe diameter ≥ pump port diameter;
f) Reducing coupling for eccentric pipes.
A B
mm mm
100 180
130 215
170 240
190 266
FIG. 2
a) Insufficient immersion;
b) Negative slope, air pockets created:
c) Tight bend, pressure loss;
d) Pipe diameter < pump port diameter, pressure loss
15.7 MOTOR-DRIVEN PUMP ID CODE
EN
[-E-]
11