Stand
Group: Watson

Close coupled metering pump
max. 600ml/min, 7 bar | 521 series Watson-Marlow Pumps Group

521 close coupled pumps offer IP55 ingress protection for light industrial environments. They offer rugged, industrial pumping, with all the pumphead features of cased drives, but at the lowest whole-life cost.

520REL low-pressure LoadSure element pumphead features large swept volume with sprung rollers for high accuracy

Chemically-resistant polyphenylene sulphide track and rotor, and stainless steel rollers and bearings

Low rotational speeds greatly increase tube life and system reliability

Clutched rotor for rapid, effortless tube loading

Rugged, tool-unlockable guard

521VI Varmeca close coupled drives bring 10:1 speed control, constant torque output and total reliability to the industrial environment. The drive offers 230V and 400V three-phase power options, plus 110V and 230V single-phase. Control is by a large speed knob and forward/reverse switching.

Varmeca integral inverter offering 10:1 control ratio: 63 rpm, 220 rpm and 275 rpm maximum speeds

Stop/forward/reverse control and analogue or digital remote control. There is a PROFIBUS option
standListOtherProduct www di En 2013-06-24-16