NEMA 4X Washdown Cased Industrial and Process Pumps | Watson-Marlow


NEMA 4X Washdown Cased Industrial and Process Pumps with One-Minute Maintenance

Engineered to last, the new 620 series will deliver the lowest cost of ownership, even in the most arduous environments and cut maintenance time to less than one minute.

  • Up to 4.8 US gpm (18 litre/min); 60 psi (4 bar).

  • Snap-fit LoadSure™ elements can give over six months life.

  • Require less than one minute to change.

  • Clean-in-place (CIP) and Steam-in-place (SIP) as standard.

  • NEMA 4X ingress protection against dust and fluids.

  • Process signal control RS232 / RS485 and feedback.

  • Robust powder coated casing, outperforms stainless steel.

  • The lowest cost of ownership.

  • Three year warranty.

Please refer to 620 NEMA 2 and NEMA 4X Pump Brochure for overview.

620DuN/R IP66 NEMA 4X auto/manual/RS485 control pump

  • Keypad entry of flow rates from 0.00026 gpm to 4.23 gpm (0.001 - 16 litre/min).

  • IP66/NEMA 4X wash-down and dustproof enclosure suitable for heavy industrial environments.

  • Chemically resistant powder coated casing (exterior grade polyester).

  • Brushless DC motor, 2650:1 turndown, 0.1% set speed accuracy.

  • PIN-secure Process Protection; full pump configuration protected by dual operator/supervisor PIN codes.

  • Wire-free guard-switching stops the pump if the pumphead is opened while running.

  • Remote control (contact closure or 5VTTL to 24V industrial logic) or RS485 network control.

  • Digital status outputs (configurable) via four relays.

  • Analog speed control (0-10V or 4-20mA) with programmable inputs and high resolution outputs.

  • Speed feedback from 0-1478Hz tachometer output.

  • Rotor/stroke control inputs allow drop-in replacement of chemical metering pumps.

Fitted as standard with the new 620R Mark II pumphead for continuous tubing (3.2mm wall thickness) in bore sizes of 6.4mm, 9.6mm, 12.7mm or 15.9mm. The 620R is ideal for hygienic single-use applications. The pumphead can easily be positioned in two orientations (ports right or ports down).

620DuN/R Datasheet

620DuN/R Manual

620DuN/RE IP66 NEMA 4X auto/manual/RS485 control pump

  • Keypad entry of flow rates from 0.0011 gpm to 4.76 gpm (0.004 -18 litre/min).

  • IP66/NEMA 4X wash-down and dustproof enclosure suitable for heavy industrial environments.

  • Chemically resistant powder coated casing (exterior grade polyester).

  • Brushless DC motor, 2650:1 turndown, 0.1% set speed accuracy.

  • PIN-secure Process Protection; full pump configuration protected by dual operator/supervisor PIN codes.

  • Wire-free guard-switching stops the pump if the pumphead is opened while running.

  • Remote control (contact closure or 5VTTL to 24V industrial logic) or RS485 network control.

  • Digital status outputs (configurable) via four relays.

  • Analog speed control (0-10V or 4-20mA) with programmable inputs and high resolution outputs.

  • Speed feedback from 0-1478Hz tachometer output.

  • Rotor/stroke control inputs allow drop-in replacement of chemical metering pumps.

Fitted as standard with the new 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.

620DuN/RE Datasheet

620DuN/RE Manual

620DuN/RE4 IP66 NEMA 4X auto/manual/RS485 control pump

  • Keypad entry of flow rates from 0.00079 gpm to 3.43 gpm (0.003 - 13 litre/min).

  • IP66/NEMA 4X wash-down and dustproof enclosure suitable for heavy industrial environments.

  • Chemically resistant powder coated casing (exterior grade polyester).

  • Brushless DC motor, 2650:1 turndown, 0.1% set speed accuracy.

  • Digital speed adjustment with choice of 0.1rpm, 0.5rpm, 1rpm, 2rpm, 5rpm and 10rpm step changes.

  • PIN-secure Process Protection; full pump configuration protected by dual operator/supervisor PIN codes.

  • Wire-free guard-switching stops the pump if the pumphead is opened while running.

  • Remote control via contact closure or 5VTTL to 24V industrial logic.

  • Digital status outputs (configurable) via four relays.

  • Analog speed control using programmable inputs (0-10V or 4-20mA) and 0-10V output (8 bit).

  • Speed feedback from 0-1478Hz tachometer output.

  • Rotor/stroke control inputs allow drop-in replacement of chemical metering pumps.

Fitted as standard with the new 620RE4 Mark II, minimal pulsation pumphead, for high performance tubing elements. 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 four stainless steel rollers which can be retracted for CIP and SIP.

620uN/RE4 Datasheet

620uN/RE4 Manual

620DuN/L IP66 NEMA 4X auto/manual/RS485 control pump

  • Keypad entry of flow rates from 0.00053 gpm to 3.28 gpm (0.002 -12.4 litre/min).

  • IP66/NEMA 4X wash-down and dustproof enclosure suitable for heavy industrial environments.

  • Chemically resistant powder coated casing (exterior grade polyester).

  • Brushless DC motor, 2650:1 turndown, 0.1% set speed accuracy.

  • PIN-secure Process Protection; full pump configuration protected by dual operator/supervisor PIN codes.

  • Wire-free track-switching stops the pump if the pumphead is opened while running.

  • Remote control (contact closure or 5VTTL to 24V industrial logic) or RS485 network control.

  • Digital status outputs (configurable) via four relays.

  • Analog speed control (0-10V or 4-20mA) with programmable inputs and high resolution outputs.

  • Speed feedback from 0-1478Hz tachometer output.

  • Rotor/stroke control inputs allow drop-in replacement of chemical metering pumps.

Fitted as standard with the new 620L; a specialist pumphead designed for accurate dispensing. The offset, spring-loaded tracks, almost eliminate the natural pulsation of peristaltic pumping. Can be used with Y-elements or continuous tubing.

620DuN/L Datasheet

620DuN/L Manual

620DuN/LG IP66 NEMA 4X auto/manual/RS485 control pump

  • Keypad entry of flow rates from 0.00053 gpm to 3.54 gpm (0.002 -13.4 litre/min).

  • IP66/NEMA 4X wash-down and dustproof enclosure suitable for heavy industrial environments.

  • Chemically resistant powder coated casing (exterior grade polyester).

  • Brushless DC motor, 2650:1 turndown, 0.1% set speed accuracy.

  • PIN-secure Process Protection; full pump configuration protected by dual operator/supervisor PIN codes.

  • Wire-free track-switching stops the pump if the pumphead is opened while running.

  • Remote control (contact closure or 5VTTL to 24V industrial logic) or RS485 network control.

  • Digital status outputs (configurable) via four relays.

  • Analog speed control (0-10V or 4-20mA) with programmable inputs and high resolution outputs.

  • Speed feedback from 0-1478Hz tachometer output.

  • Rotor/stroke control inputs allow drop-in replacement of chemical metering pumps.

Fitted as standard with the new 620LG; a specialist pumphead designed for accurate dispensing. The offset, spring-loaded tracks, almost eliminate the natural pulsation of peristaltic pumping. Dedicated to Sta-Pure/Chem-Sure, the 620LG can be used with Y-elements or continuous tubing.

620DuN/LG Datasheet

620DuN/LG Manual

620UN/R IP66 NEMA 4X auto/manual control pump

  • Flow rates from 0.00026 gpm to 4.23 gpm (0.001 - 16 litre/min)

  • IP66/NEMA 4X wash-down and dustproof enclosure suitable for heavy industrial environments.

  • Chemically resistant powder coated casing (exterior grade polyester).

  • Brushless DC motor, 2650:1 turndown, 0.1% set speed accuracy.

  • Digital speed adjustment with choice of 0.1rpm, 0.5rpm, 1rpm, 2rpm, 5rpm and 10rpm step changes.

  • MemoDose for accurate single shot dispensing.

  • Wire-free guard-switching stops the pump if the pumphead is opened while running.

  • Remote control via contact closure or 5VTTL to 24V industrial logic.

  • Digital status outputs (configurable) via four relays.

  • Analog speed control using programmable inputs (0-10V or 4-20mA) and 0-10V output (8 bit).

  • Speed feedback from 0-1478Hz tachometer output.

Fitted as standard with the new 620R Mark II pumphead for continuous tubing (3.2mm wall thickness) in bore sizes of 6.4mm, 9.6mm, 12.7mm or 15.9mm. The 620R is ideal for hygienic single-use applications. The pumphead can easily be positioned in two orientations (ports right or ports down).

620UN/R Datasheet

620UN/R Manual

620UN/RE IP66 NEMA 4X auto/manual control pump

  • Flow rates from 0.0011 gpm to 4.76 gpm (0.004 -18 litre/min).

  • IP66/NEMA 4X wash-down and dustproof enclosure suitable for heavy industrial environments.

  • Chemically resistant powder coated casing (exterior grade polyester).

  • Brushless DC motor, 2650:1 turndown, 0.1% set speed accuracy.

  • Digital speed adjustment with choice of 0.1 rpm, 0.5 rpm, 1 rpm, 2 rpm, 5 rpm and 10 rpm step changes.

  • MemoDose for accurate single shot dispensing.

  • Wire-free guard-switching stops the pump if the pumphead is opened while running.

  • Remote control via contact closure or 5VTTL to 24V industrial logic.

  • Digital status outputs (configurable) via four relays.

  • Analog speed control using programmable inputs (0-10V or 4-20mA) and 0-10V output (8 bit).

  • Speed feedback from 0-1478Hz tachometer output.

Fitted as standard with the new 620RE Mark II high performance pumphead for tubing elements. 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.

620UN/RE Datasheet

620UN/RE Manual

620UN/RE4 IP66 NEMA 4X auto/manual control pump

  • Flow rates from 0.00079 gpm to 3.43 gpm (0.003 - 13 litre/min).

  • IP66/NEMA 4X wash-down and dustproof enclosure suitable for heavy industrial environments.

  • Chemically resistant powder coated casing (exterior grade polyester).

  • Brushless DC motor, 2650:1 turndown, 0.1% set speed accuracy.

  • Digital speed adjustment with choice of 0.1 rpm, 0.5 rpm, 1 rpm, 2 rpm, 5 rpm and 10 rpm step changes.

  • MemoDose for accurate single shot dispensing.

  • Wire-free guard-switching stops the pump if the pumphead is opened while running.

  • Remote control via contact closure or 5VTTL to 24V industrial logic.

  • Digital status outputs (configurable) via four relays.

  • Analog speed control using programmable inputs (0-10V or 4-20mA) with 0-10V output (8 bit).

  • Speed feedback from 0-1478Hz tachometer output.

Fitted as standard with the new 620RE4 Mark II, minimal pulsation pumphead, for high performance tubing elements. 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 four stainless steel rollers which can be retracted for CIP and SIP.

620UN/RE4 Datasheet

620UN/RE4 Manual

620SN/R IP66 NEMA 4X manual control pump

  • Flow rates from 0.00026 gpm to 4.23 gpm (0.001 - 16 litre/min).

  • IP66/NEMA 4X wash-down and dustproof enclosure suitable for heavy industrial environments.

  • Chemically resistant powder coated casing (exterior grade polyester).

  • Brushless DC motor, 2650:1 turndown, 0.1% set speed accuracy.

  • Large speed/flow display with easy-to-clean membrane keypad.

  • Digital speed adjustment with choice of 0.1 rpm, 0.5 rpm, 1 rpm, 2 rpm, 5 rpm and 10 rpm step changes.

  • MemoDose for accurate single shot dispensing.

  • Wire-free guard-switching stops the pump if the pumphead is opened while running.

  • Dual voltage range; 100-120/200-240V 50/60Hz.

Fitted as standard with the new 620R Mark II pumphead for continuous tubing (3.2mm wall thickness) in bore sizes of 6.4mm, 9.6mm, 12.7mm or 15.9mm. The 620R is ideal for hygienic single-use applications. The pumphead can easily be positioned in two orientations (ports right or ports down).

620SN/R Datasheet

620SN/R Manual

620SN/RE IP66 NEMA 4X manual control pump

  • Flow rates from 0.0011 gpm to 4.76 gpm (0.004 -18 litre/min).

  • IP66/NEMA 4X wash-down and dustproof enclosure suitable for heavy industrial environments.

  • Chemically resistant powder coated casing (exterior grade polyester).

  • Brushless DC motor, 2650:1 turndown, 0.1% set speed accuracy.

  • Large speed/flow display with easy-to-clean membrane keypad.

  • Digital speed adjustment with choice of 0.1 rpm, 0.5 rpm, 1 rpm, 2 rpm, 5 rpm and 10 rpm step changes.

  • MemoDose for accurate single shot dispensing.

  • Wire-free guard-switching stops the pump if the pumphead is opened while running.

  • Dual voltage range; 100-120/200-240V 50/60Hz.

Fitted as standard with the new 620RE Mark II high performance pumphead for tubing elements. 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.

620SN/RE Datasheet

620SN/RE Manual

620SN/RE4 IP66 NEMA 4X manual control pump

  • Flow rates from 0.00079 gpm to 3.43 gpm (0.003 - 13 litre/min).

  • IP66/NEMA 4X wash-down and dustproof enclosure suitable for heavy industrial environments.

  • Chemically resistant powder coated casing (exterior grade polyester).

  • Brushless DC motor, 2650:1 turndown, 0.1% set speed accuracy.

  • Large speed/flow display with easy-to-clean membrane keypad.

  • Digital speed adjustment with choice of 0.1 rpm, 0.5 rpm, 1 rpm, 2 rpm, 5 rpm and 10 rpm step changes.

  • MemoDose for accurate single shot dispensing.

  • Wire-free guard-switching stops the pump if the pumphead is opened while running.

  • Dual voltage range; 100-120/200-240V 50/60Hz.

Fitted as standard with the new 620RE4 Mark II, minimal pulsation pumphead, for high performance tubing elements. 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 four stainless steel rollers which can be retracted for CIP and SIP.

620SN/RE4 Datasheet

620SN/RE4 Manual


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