Watson-Marlow 720UN and 720SN User Manual
78
Flow rates, 720R and 720RE, 360 rpm
bore
mm
9.6 (720R)
12.7
15.9
19
25.4
in
3
/
8
(720R)
1
/
2
5
/
8
3
/
4
1
#
193 (720R)
88
189
191
92
litre/hour
420
780
1100
1500
2000
USGPM
1.9
3.4
4.8
6.6
8.8
Note
: these figures refer to the performance of a single pumphead; where twin
pumpheads are used, the figures should be doubled.
UN, SN
30 720R and 720RE flow rates
Flow rates were obtained using silicone tubing with the pumphead rotating clockwise,
pumping water at 20C with zero suction and delivery pressures. For critical applica-
tions determine flow rates under operating conditions.
