Liquid Handling Pumps from Watson Marlow Pumps Group

620RE NEMA 2 (IP31) Medium Pressure Pump -- Model 620U/RE

620RE NEMA 2 (IP31) Medium Pressure Pump -- Model 620U/RE -- View Larger Image
620RE NEMA 2 (IP31) Medium Pressure Pump -- Model 620U/RE-Image
  • Keypad entry of flow rates from 0.0011 gpm to 4.76 gpm (0.004 -18 liter/min)
  • Dispenses 500ml to within +/-0.5% in 3.0 seconds
  • Stores up to 50 dispensing programs
  • Non-drip function eliminates drips at dose end
  • Ramp function for delicate fluids prevents frothing/splashing and enhances accuracy
  • PIN-secure Process Protection; full pump configuration protected by dual operator/supervisor PIN codes
  • Export batch records via RS232 to a PC or printer for cGMP requirements
  • Brushless DC motor, 2650:1 turndown, 0.1% set speed accuracy
  • IP31/NEMA 2 vented wipe-down enclosure suitable for dry industrial environments
  • Chemically resistant powder coated casing (exterior grade polyester)
  • Wire-free guard-switching stops the pump if the pumphead is opened while running
  • Remote control (contact closure or 5V TTL to 24V industrial logic) or RS232 network control
  • Digital status outputs (configurable) via four relays
  • Analog speed control (0-10V or 4-20mA) and feedback (0-1478Hz)

Fitted as standard with the 620RE Mark II high performance pumphead for tubing elements. Watson-Marlow's patented LoadSure™ elements offer one minute maintenance and ensure correct loading for long tubing life and accuracy. This pumphead can easily be positioned in two orientations (ports right or ports down) and features two stainless steel rollers for maximum flow, which can be retracted for CIP and SIP.

Product Category
Liquid Handling Pumps
Pump Type
Dosing Pump; Injection Pump; Metering Pump; Peristaltic Pump; Positive Displacement Pump; Self-Priming Pump; Sanitary Pump
Discharge Pressure
60.0 psi (42.18 m of Water)
Liquid Flow
4.760 GPM (18.03 L/min)
Power Source
AC; 115 VAC, 230 VAC

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Pump Housing Material
Industry Served