1 pressure capability – Watson-Marlow 620U User Manual
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Watson-Marlow 620UN, 620U, 620SN, 620S User Manual
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8.1 Pressure capability
0-4 bar higher pressure pumping
This pump’s default running speed is 165rpm. It can be run at any speed up to
265rpm. Please note, however:
The 620RE and 620RE4 rotor warranty is limited to 2 bar from 165rpm
to 265rpm.
A warning is displayed when the user sets the speed above 165rpm.
Note: Applies to 620RE MarkII and 620RE4 MarkII pumpheads only.
The pump’s software records the duration of operation above 165rpm.
0-2 bar pressure pumping