Watson Marlow Pumps Group Datasheets for Positive Displacement Pumps

Positive displacement pumps use a mechanical force such as gears, bladders, pistons, plungers or diaphragms to push liquid through and out of the pump.
Positive Displacement Pumps: Learn more

Product Name Notes
102R pumpheads accept tubes up to 4.8mm bore and provides continuous flow rates up to 106 ml/min and intermittent flow rates up to 212 ml/min 102FS/R pumps comprise a pumphead,...
401U/DM2 and 401U/DM3 multi-channel pumps accept three-bridge manifold tubing and provide flow rates from 0.001-36.3 ml/min. Precision machined four-roller aluminium rotors Ultra-compact with single control for direction, speed, start/stop Analogue...
403U/L: low-pulsing single-channel, from 0.11 to 180 ml/min The 403U/R1, 403U/L and 403U/L2 are precision manual/auto-control pumps which use 1.6mm wall tubing. All have spring-loaded tracks to maximise tube life...
403U/R1: single channel flows from 0.06 to 150 ml/ Digital speed control via top panel mounted keypad Reversible motor for easy fluid recovery Max high speed priming functionmin The 403U/R1,...
405U/L: low-pulsing, single channel flows up to 730 ml/m Digital speed control via top panel mounted keypad. Reversible motor for easy fluid recovery. Max high speed priming function.The 405U/L pump...
405U/R1: single channel flows from 0.44 to 610 ml/mi Digital speed control via top panel mounted keypad. Reversible motor for easy fluid recovery. Max high speed priming function.The 405U/R1 pump...
Watson-Marlow 620SN/R, 620UN/R, 620DuN/R: 0-2 bar NEMA 4X (IP66) low pulsation pumps fitted with LoadSure continuous tubing element pumpheads Rugged 620N cased pump drives offer NEMA 4X (IP66) ingress protection...
Bredel engineering created an entirely new type of pump - the high-pressure hose pump. Its patented technology achieved what was believed to be impossible: the unbeatable simplicity, reliability and low...
Finally, a hose pump to handle tough hydrocarbons! Petrochemicals, hydrocarbons, and oil based products were all beyond the reach of peristaltic pumps due to incompatibility with the rubber hose –
Technical information and features Instrument quality in previously unseen size 31 x 48 mm (1.2”x 1.9”) Flow rates from 30 μl/min to 30 ml/min Precision dispenses down to one microliter...
The 100 series is Watson-Marlow's low-flow single-channel range, used world-wide with fermenters. Two cased pumps are available, the 101U/R variable speed pump with auto analog and manual control, and the...
The 400F/B1 is our standard instrument-quality peristaltic pump for low flow rates. The 400F/B1 has a spring-loaded track, which gives superior tube life and flow-accuracy. The tubing occlusion can be...
The 400F/D is our standard instrument quality peristaltic pump for low flow rates. The pumps have a spring-loaded track, which gives superior tube life and flow-accuracy. The tubing occlusion can...
The 400F/DM is our standard instrument-quality peristaltic pump for low flow rates. The pumps have a spring-loaded track, which gives superior life and flow-accuracy. The tubing occlusion can be adjusted...
The 500 series is Watson-Marlow's top-selling pump range for applications ranging from pulp & paper, printing and mining to food processing and from contact lens monomer dosing to industrial water...
The all-new 323 range brings a stunning new level of performance and quality to laboratory and process pumping. There are four new drives with five pumphead options. The 323 range...
The all-new Sci-Q 323 range is designed exclusively for scientific pumping needs, and brings a stunning new level of performance and quality to the laboratory benchtop. There are two new...
102R pumpheads accept tubes up to 4.8mm bore and provides continuous flow rates up to 106 ml/min and intermittent flow rates up to 212 ml/min 102FD/R pumps have a 102R...
25mm pump provides a maximum flow rate of 575 gph Self-priming and dry running, with no valves, seals or glands Hinged access door makes tube loading simple and safe Long...
403U/L2: dual channel flows up to 92 ml/min per channel Digital speed control via top panel mounted keypad Reversible motor for easy fluid recovery Max high speed priming functionThe 403U/R1,...
405U/L2: for dual channel flows up to 370 ml/min per channel Digital speed control via top panel mounted keypad. Reversible motor for easy fluid recovery. Max high speed priming function.The...
Direct-coupled design, 30% smaller footprint Improved choice of flanges, threaded inserts or sanitary connectors Inner hose diameter 20mm Minimum starting torque 500 in lbs (94 Nm) Capacity per revolution 0.04...
Direct-coupled design, 30% smaller footprint Improved choice of flanges, threaded inserts or sanitary connectors Inner hose diameter 3/8" (10mm) Minimum starting torque 250 in lbs (47 Nm) Capacity per revolution...
Direct-coupled design, 30% smaller footprint Improved choice of flanges, threaded inserts or sanitary connectors Inner hose diameter 5/8" (15mm) Minimum starting torque 500 in lbs (60 Nm) Capacity per revolution...
Dual pumpheads for balanced twin-channel flows Flow rates from 0.025 to 4.9 gpm (0.1 to 18.7 liter/min) per channel 621FX/R, 621DFX/R twin-roller pumps accept continuous tubing 621FX/RE, 621DFX/RE twin-roller pumps...
Dual pumpheads for balanced twin-channel flows Flow rates up to 4.8 gpm (15.8 liter/min) per channel 621IX/R twin-roller pumps accept continuous tubing 621IX/RE twin-roller pumps accept LoadSure™ elements 621IX/RE4 four-roller...
Extremely compact design Flow rates up to 200 ml/min Wide range of gear motors available Tube elements for easy loading The 400F/M1 pump has premium features at an economical price.
Extremely compact design Flow rates up to 82 ml/min Wide range of gear motors available Tube elements for easy loading The 400F/N pump has premium features at an economical price.
Extremely precise in flow control in a flexible design Flow rates up to 600ml/min Wide range of gear motors available Accepts tubing elements in six standard sizes With the 400F/R1,...
Fitted with 304MC five-channel microcassette pumphead Flow rates up to 53 ml/min per channel Add one snap-fit 304MCX extension pumphead for ten channels MemoDose facility for accurate single shot dosing...
Fitted with 308MC five-channel microcassette pumphead Flow rates up to 36 ml/min per channel Add one snap-fit 308MCX extension pumphead for ten channels MemoDose facility for accurate single shot dosing...
Flip-top easy-loading design 313 has three rollers for maximum flow rates 314 has four rollers for minimum pulsation Up to 2 l/min continuously, 3 l/min intermittently Accepts seven tube sizes...
Flow rates from 0.00026 gpm to 4.23 gpm (0.001 - 16 liter/min) Brushless DC motor, 2650:1 turndown, 0.1% set speed accuracy Digital speed adjustment with choice of 0.1rpm, 0.5rpm, 1rpm,...
Flow rates from 0.00026 gpm to 4.23 gpm (0.001 - 16 liter/min) Brushless DC motor, 2650:1 turndown, 0.1% set speed accuracy Large speed/flow display with easy-to-clean membrane keypad Digital speed...
Flow rates from 0.00026 gpm to 4.23 gpm (0.001 - 16 liter/min) NEMA 4X wash-down and dustproof enclosure suitable for heavy industrial environments Chemically resistant powder coated casing (exterior grade...
Flow rates from 0.00079 gpm to 3.43 gpm (0.003 - 13 liter/min) Brushless DC motor, 2650:1 turndown, 0.1% set speed accuracy Digital speed adjustment with choice of 0.1rpm, 0.5rpm, 1rpm,...
Flow rates from 0.00079 gpm to 3.43 gpm (0.003 - 13 liter/min) Brushless DC motor, 2650:1 turndown, 0.1% set speed accuracy Large speed/flow display with easy-to-clean membrane keypad Digital speed...
Flow rates from 0.00079 gpm to 3.43 gpm (0.003 - 13 liter/min) NEMA 4X wash-down and dustproof enclosure suitable for heavy industrial environments Chemically resistant powder coated casing (exterior grade...
Flow rates from 0.0011 gpm to 4.76 gpm (0.004 -18 liter/min) NEMA 4X wash-down and dustproof enclosure suitable for heavy industrial environments Chemically resistant powder coated casing (exterior grade polyester)...
Flow rates from 0.025 to 4.8 gpm (0.1 to 18.1 liter/min) 621F/R, 621DF/R twin-roller pumps accept continuous tubing 621F/RE, 621DF/RE twin-roller pumps accept LoadSure™ elements 621F/RE4, 621DF/RE4 four-roller pumps accept...
Flow rates from 0.025 to 4.8 gpm (0.1 to 18.1 liter/min) 621I/R twin-roller pumps accept continuous tubing 621I/RE twin-roller pumps accept LoadSure™ elements 621I/RE4 four-roller pumps accept LoadSure™ elements Twin...
Flow rates from 12ml/min to 4.0 litre/min Variable speed, high torque, reversible four vane pneumatic motor Clutched rotor for rapid and effortless tube loading 24-hour-duty rated One-year full warranty Value...
Flow rates up to 24.7 gph at 60psi peak pressure with 520 LoadSure elements 520REMC pumphead features large swept volume with sprung rollers for high accuracy, gentle pumping of shear-sensitive...
Flow rates up to 55.5 gph at 30 psi peak pressure with 520 LoadSure elements 520REL pumphead features large swept volume with sprung rollers for high accuracy, gentle pumping of...
Flow rates up to 55.5 gph at 30 psi peak pressure with 520 LoadSure elements 520REL pumphead features large swept volume with sprung rollers for high accuracy Brushless motor, 2200:1...
Flow rates up to 55.5 gph at 30psi peak pressure with 520 LoadSure elements 520REL pumphead features large swept volume with sprung rollers for high accuracy, gentle pumping of shear-sensitive...
Flow rates up to 56.9 gph at 30 psi peak pressure with 520 LoadSure elements 520RELC pumphead features large swept volume with sprung rollers for high accuracy, gentle pumping of...
Flow rates up to 7.4 gph at 100psi constant pressure with 520 LoadSure elements 520REHC pumphead features large swept volume with sprung rollers for high accuracy, gentle pumping of shear-sensitive...
Flows up to 8.8 GPM (33.3 liters/min) and 30 psi maximum operating pressure with single channel 720R pumphead Continuous tubing from source to delivery 3,600:1 control ratio (0.1 to 360rpm...
High-power, four-vane air motor-driven pumps 5:1 speed control capability with suitable regulator Two-year warranty 24-hour-duty rated Maximum flow rate 4.8 gpm (18.1 liter/min) Reversible A filtered and lubricated air supply...
Inner hose diameter 100mm (4") Minimum starting torque 40,000 in lbs (3,100 Nm) Capacity per revolution 5.28 gal (20.0 liter) Maximum discharge pressure 230 psi (16 bar) Maximum continuous flow...
Inner hose diameter 25mm (1") Minimum starting torque 115 Nm (1,600 in lbs) Capacity per revolution 0.3 litre (0.079 gal) Maximum discharge pressure 1600 kPa, 16 bar (230 psi) Maximum...
Inner hose diameter 32mm (1 1/4") Minimum starting torque 210 Nm (3,000 in lbs) Capacity per revolution 0.625 litre (0.165 gal) Maximum discharge pressure 1600 kPa, 16 bar (230 psi)...
Inner hose diameter 40mm (1 1/2") Minimum starting torque 4,000 in lbs (320 Nm) Capacity per revolution 0.351 gal (1.33 liter) Maximum discharge pressure 230 psi (16 bar) Maximum continuous...
Inner hose diameter 50mm (2") Minimum starting torque 10,000 in lbs (620 Nm) Capacity per revolution 0.766 gal (2.9 liter) Maximum discharge pressure 230 psi (16 bar) Maximum continuous flow...
Inner hose diameter 65mm (2 1/2") Minimum starting torque 12,000 in lbs (1,150 Nm) Capacity per revolution 1.77 gal (6.7 liter) Maximum discharge pressure 230 psi (16 bar) Maximum continuous...
Inner hose diameter 80mm (3 1/8") Minimum starting torque 20,000 in lbs (2,000 Nm) Capacity per revolution 3.09 gal (11.7 liter) Maximum discharge pressure 230 psi (16 bar) Maximum continuous...
Keypad entry of flow rates from 0.00026 gpm to 4.23 gpm (0.001 - 16 liter/min) Brushless DC motor, 2650:1 turndown, 0.1% set speed accuracy NEMA 2 vented wipe-down enclosure suitable...
Keypad entry of flow rates from 0.00026 gpm to 4.23 gpm (0.001 - 16 liter/min) Dispenses 500ml to within +/-0.5% in 4.2 seconds NEMA 4X wash-down and dustproof enclosure suitable...
Keypad entry of flow rates from 0.00026 gpm to 4.23 gpm (0.001 - 16 liter/min) Dispenses 500ml to within +/-0.5% in 4.2 seconds Stores up to 50 dispensing programs Non-drip...
Keypad entry of flow rates from 0.00053 gpm to 3.28 gpm (0.002 -12.4 liter/min) Brushless DC motor, 2650:1 turndown, 0.1% set speed accuracy NEMA 2 vented wipe-down enclosure suitable for...
Keypad entry of flow rates from 0.00053 gpm to 3.28 gpm (0.002 -12.4 liter/min) Dispenses 500ml to within +/-0.5% in 2.6 seconds Stores up to 50 dispensing programs Non-drip function...
Keypad entry of flow rates from 0.00053 gpm to 3.28 gpm (0.002 -12.4 liter/min) NEMA 4X wash-down and dustproof enclosure suitable for heavy industrial environments Chemically resistant powder coated casing...
Keypad entry of flow rates from 0.00053 gpm to 3.54 gpm (0.002 -13.4 liter/min) Brushless DC motor, 2650:1 turndown, 0.1% set speed accuracy NEMA 2 vented wipe-down enclosure suitable for...
Keypad entry of flow rates from 0.00053 gpm to 3.54 gpm (0.002 -13.4 liter/min) Dispenses 500ml to within +/-0.5% in 2.4 seconds NEMA 4X wash-down and dustproof enclosure suitable for...
Keypad entry of flow rates from 0.00053 gpm to 3.54 gpm (0.002 -13.4 liter/min) Dispenses 500ml to within +/-0.5% in 2.4 seconds Stores up to 50 dispensing programs Non-drip function...
Keypad entry of flow rates from 0.00053 gpm to 3.54 gpm (0.002 -13.4 liter/min) NEMA 4X wash-down and dustproof enclosure suitable for heavy industrial environments Chemically resistant powder coated casing...
Keypad entry of flow rates from 0.00079 gpm to 3.43 gpm (0.003 - 13 liter/min) Brushless DC motor, 2650:1 turndown, 0.1% set speed accuracy NEMA 2 vented wipe-down enclosure suitable...
Keypad entry of flow rates from 0.00079 gpm to 3.43 gpm (0.003 - 13 liter/min) Dispenses 500ml to within +/-0.5% in 2.7 seconds NEMA 4X wash-down and dustproof enclosure suitable...
Keypad entry of flow rates from 0.00079 gpm to 3.43 gpm (0.003 - 13 liter/min) Dispenses 500ml to within +/-0.5% in 2.7 seconds Stores up to 50 dispensing programs Non-drip...
Keypad entry of flow rates from 0.00079 gpm to 3.43 gpm (0.003 - 13 liter/min) NEMA 4X wash-down and dustproof enclosure suitable for heavy industrial environments Chemically resistant powder coated...
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...
Keypad entry of flow rates from 0.0011 gpm to 4.76 gpm (0.004 -18 liter/min)NEMA 4X wash-down and dustproof enclosure suitable for heavy industrial environments Chemically resistant powder coated casing (exterior...
Keypad entry of flow rates from 0.002 liter/min to 12.4 liter/min Dispenses 500ml to within +/-0.5% in 2.6 seconds NEMA 4X wash-down and dustproof enclosure suitable for heavy industrial environments...
Maximum flow rate of 35 gpm (8000 liter/hour) Hinged door makes changing tube simple and safe Use USP Class VI Bioprene tubing Choice of continuous tubing or elements with hygienic...
Two-year warranty Twenty-four-hour-dut y rated Manual speed control. For auto-control, purchase 205U/CA Flow-rates up to 18.4 ml/min per channel Membrane keypad and menu control of all functions 4, 8, 12,...
Ultra-compact with single control for direction, speed, start/stop Analogue speed control and remote switching via a 15D connectorThe 401U/D1 accepts standard 1.6mm wall tubing up to 3.2mm bore in seven...
VM2 provides 2 channels, Flow rates from 0.001 to 17 ml/min per channel Ten stainless-steel rollers with low-friction bearings Digital speed control via top panel mounted keypad. Reversible with Max...
VM3 3 channels Flow rates from 0.001 to 17 ml/min per channel Ten stainless-steel rollers with low-friction bearings Digital speed control via top panel mounted keypad. Reversible with Max priming...
VM4 4 channels Flow rates from 0.001 to 17 ml/min per channel Ten stainless-steel rollers with low-friction bearings Digital speed control via top panel mounted keypad. Reversible with Max priming...