Watson-Marlow 720DuN User Manual 91
34 720RE and 720R flow rates
Flow rates were obtained using silicone tubing with the pumphead rotating clock-
wise, pumping water at 20C with zero suction and delivery pressures. For critical
applications determine flow rates under operating conditions.
Note: these figures refer to the performance of a single pumphead; where twin
pumpheads are used, the figures should be doubled.
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
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