Peristaltic Pumps Injection Pumps
Last Updated: April 1, 2025
Description
Peristaltic pumps are a type of injection pump that displace fluids through a flexible tube by compressing it with rollers. This action moves the fluid along the tube without the fluid coming into contact with the pump mechanism itself.
Working Principle
Peristaltic pumps operate by using rollers to squeeze a flexible tube, which pushes the fluid inside the tube forward. This design ensures that the fluid is contained entirely within the tubing, preventing contamination and making these pumps ideal for handling sterile or reactive fluids. The separation of the pumping mechanism from the fluid is a key feature, allowing for clean and efficient fluid transfer. The pump's ability to handle fluids without direct contact makes it particularly useful in applications requiring high levels of hygiene and precision.
Applications
Peristaltic pumps are widely used in medical equipment such as dialysis machines and blood transfusion devices, where maintaining sterility is crucial. They are also employed in chemical processing to handle reactive fluids and in laboratories for precise fluid metering. Additionally, these pumps are used in the food and beverage industry for transferring sensitive liquids without contamination.
Advantages over other Injection Pumps
One of the main advantages of peristaltic pumps is their ability to handle fluids without contamination, as the fluid only contacts the tubing. This makes them superior to other pumps in applications requiring sterility, such as medical and laboratory settings. They are also more versatile and energy-efficient compared to traditional centrifugal pumps, and they can handle viscous fluids and particulate matter effectively.
Limitations
Peristaltic pumps have limitations in terms of flow rate and pressure, typically being limited to a maximum pressure of 125 psi. Running these pumps at their maximum specifications for extended periods can lead to rapid wear of the tubing, resulting in downtime and reduced pump lifespan. Additionally, the elastic nature of the tubing can lead to variations in the volume of fluid delivered, affecting accuracy.
Considerations
When considering peristaltic pumps, it's important to factor in the initial cost, which can be higher due to the specialized design. Operating expenses may be lower due to their energy efficiency, but the flexible tubing requires periodic replacement, which adds to maintenance costs. While they offer good durability, the accuracy of fluid delivery can be a concern due to the pulsed nature of the flow. Therefore, careful consideration of the specific application requirements and maintenance needs is essential when selecting a peristaltic pump.
from INTEGRA Biosciences AG
Designed to make the dispensing of culture media, buffers & solutions easy [See More]
- Pump Type: Dosing Pump; Injection Pump; Peristaltic Pump; Positive Displacement Pump
- Pump Housing Material: Plastic
- Liquid Flow: 1.3
- Power Source: AC; 100V / 200V, Single Phase, 115 VAC, 230 VAC
from Watson Marlow Pumps Group
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 pumphead, 12V DC motor and mounting plate. A choice of speeds provides flow rates up to 106 ml/min [See More]
- Pump Type: Injection Pump; Metering Pump; Peristaltic Pump; Positive Displacement Pump
- Pump Housing Material: Plastic
- Liquid Flow: 0.0
- Power Source: DC; 12 VDC
from Watson Marlow Pumps Group
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 101F/R fixed speed pump fitted with synchronous motors to allow exact speeds to be maintained. [See More]
- Pump Type: Dosing Pump; Injection Pump; Metering Pump; Peristaltic Pump; Positive Displacement Pump
- Pump Housing Material: Plastic
- Liquid Flow: 0.0
- Power Source: AC; 115 VAC, 230 VAC
from Watson Marlow Pumps Group
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 without adjustment. Up to six pumpheads on one drive. Rated for 24-hour duty. One-year warranty. 313D... [See More]
- Pump Type: Injection Pump; Metering Pump; Peristaltic Pump; Positive Displacement Pump
- Pump Housing Material: Plastic
- Liquid Flow: 0.3
- Power Source: DC; 12 VDC
from Watson Marlow Pumps Group
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 comes with a chemically resistant ABS top and IP31 protection. Up to 146: speed control is available with kpm... [See More]
- Pump Type: Dosing Pump; Injection Pump; Metering Pump; Peristaltic Pump; Positive Displacement Pump; Sanitary Pump
- Pump Housing Material: Plastic
- Liquid Flow: 0.5
- Power Source: AC; 100V / 200V, Single Phase, 115 VAC, 230 VAC
from Watson Marlow Pumps Group
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. Combines easy tube loading with safe closed design. Spring loaded track for presicion and... [See More]
- Pump Type: Injection Pump; Metering Pump; Peristaltic Pump; Positive Displacement Pump
- Pump Housing Material: Plastic
- Liquid Flow: 0.0
- Power Source: DC; 12 VDC, 24 VDC
from Watson Marlow Pumps Group
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 adjusted to produce higher pressures. The pump is available with four standard gearmotors. Each one... [See More]
- Pump Type: Injection Pump; Metering Pump; Peristaltic Pump; Positive Displacement Pump
- Pump Housing Material: Plastic
- Liquid Flow: 0.1
- Power Source: AC (optional feature); DC (optional feature); 12 VDC, 24 VDC, 115 VAC, 230 VAC
from Watson Marlow Pumps Group
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. The pump shaft is supported by ball bearings which ensures a long gear motor life. The pump uses tube elements with... [See More]
- Pump Type: Injection Pump; Metering Pump; Peristaltic Pump; Positive Displacement Pump
- Pump Housing Material: Plastic
- Liquid Flow: 0.0
- Power Source: AC (optional feature); DC (optional feature); 12 VDC, 24 VDC, 115 VAC, 230 VAC
from Watson Marlow Pumps Group
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 turndown, 0.1% set speed accuracy. Large speed/flow display and easy to use tactile membrane keypad. Incorporates... [See More]
- Pump Type: Dosing Pump; Injection Pump; Metering Pump; Peristaltic Pump; Positive Displacement Pump; Sanitary Pump
- Discharge Pressure: 30.0
- Liquid Flow: 0.9
- Pump Housing Material: Plastic
from Watson Marlow Pumps Group
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 turndown, 0.1% set speed accuracy. Large speed/flow display and easy to use tactile membrane keypad. Incorporates... [See More]
- Pump Type: Dosing Pump; Injection Pump; Metering Pump; Peristaltic Pump; Positive Displacement Pump; Sanitary Pump
- Discharge Pressure: 30.0
- Liquid Flow: 0.9
- Pump Housing Material: Plastic
from Watson Marlow Pumps Group
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 fluids. Require less than one minute to change. Clutched rotor for rapid and effortless tube loading. [See More]
- Pump Type: Injection Pump; Peristaltic Pump; Positive Displacement Pump
- Discharge Pressure: 100.0
- Liquid Flow: 0.1
- HP: 0.33
from Watson Marlow Pumps Group
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 for Life: The lowest cost of ownerhip. Chemical and knock-resistant finish. A... [See More]
- Pump Type: Injection Pump; Peristaltic Pump; Positive Displacement Pump
- Pump Housing Material: Plastic
- Discharge Pressure: 30.0
- Power Source: Air or Pneumatic
from Watson Marlow Pumps Group
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 eliminates drips at dose end. Ramp function for delicate fluids prevents frothing/splashing and enhances accuracy. [See More]
- Pump Type: Dosing Pump; Injection Pump; Metering Pump; Peristaltic Pump; Positive Displacement Pump; Sanitary Pump
- Discharge Pressure: 60.0
- Liquid Flow: 3.5
- Pump Housing Material: Plastic
from Watson Marlow Pumps Group
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 for dry industrial environments. Chemically resistant powder coated casing (exterior grade polyester). PIN-secure... [See More]
- Pump Type: Dosing Pump; Injection Pump; Metering Pump; Peristaltic Pump; Positive Displacement Pump; Sanitary Pump
- Discharge Pressure: 30.0
- Liquid Flow: 4.2
- Pump Housing Material: Plastic
from Watson Marlow Pumps Group
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 LoadSure ™ elements. Twin rollers give higher flow, four... [See More]
- Pump Type: Injection Pump; Metering Pump; Peristaltic Pump; Positive Displacement Pump
- Discharge Pressure: 60.0
- Liquid Flow: 4.8
- Pump Housing Material: Plastic
from Watson Marlow Pumps Group
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 speed range). Display pumphead speed or calibrated flow rate. Manual control flow calibration and MemoDose... [See More]
- Pump Type: Injection Pump; Peristaltic Pump; Positive Displacement Pump; Sanitary Pump
- Discharge Pressure: 100.0
- Liquid Flow: 7.7
- Pump Housing Material: Plastic
from Watson Marlow Pumps Group
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 life USP Class VI Bioprene or STA-PURE tubing. Ideal for viscous or shear sensitive products. Motor/gearbox and control... [See More]
- Pump Type: Injection Pump; Metering Pump; Peristaltic Pump; Positive Displacement Pump; Sanitary Pump
- Discharge Pressure: 50.0
- Liquid Flow: 9.6
- HP: 2.00
from Watson Marlow Pumps Group
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 maintenance needs of peristaltic pumping brought to high-flow, high-pressure duties. Today,... [See More]
- Pump Type: Injection Pump; Metering Pump; Peristaltic Pump; Positive Displacement Pump; Sanitary Pump
- Discharge Pressure: 232.0
- Liquid Flow: 39.0
- Pump Housing Material: Cast Iron
from Watson Marlow Pumps Group
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 and waste treatment. [See More]
- Pump Type: Injection Pump; Metering Pump; Peristaltic Pump; Positive Displacement Pump
- Discharge Pressure: 60.0
- Liquid Flow: 1.3
- Pump Housing Material: Plastic
from Watson Marlow Pumps Group
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 0.0058 gal (0.022 liter). Maximum discharge pressure 110psi, (7.5 bar). Maximum... [See More]
- Pump Type: Injection Pump; Metering Pump; Peristaltic Pump; Positive Displacement Pump
- Discharge Pressure: 110.0
- Liquid Flow: 0.6
- Pump Housing Material: Cast Iron
from Watson Marlow Pumps Group
Two-year warranty. Twenty-four-hour-duty 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, 16, 20, 24, 28 or 32 channel versions. Eight stainless steel rollers with planetary drive. [See More]
- Pump Type: Dosing Pump; Injection Pump; Metering Pump; Peristaltic Pump; Positive Displacement Pump
- Pump Housing Material: Plastic
- Liquid Flow: 0.0
- Power Source: AC; 115 VAC, 230 VAC
from Watson Marlow Pumps Group
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 without adjustment. Up to six pumpheads on one drive. Rated for 24-hour duty. One-year warranty. 313D... [See More]
- Pump Type: Injection Pump; Metering Pump; Peristaltic Pump; Positive Displacement Pump
- Discharge Pressure: 29.0
- Liquid Flow: 0.8
- Pump Housing Material: Plastic
from Watson Marlow Pumps Group
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, the 400F/L2 is our highest precision, instrument-quality peristaltic pump for medium flow rates, having a... [See More]
- Pump Type: Injection Pump; Metering Pump; Peristaltic Pump; Positive Displacement Pump
- Pump Housing Material: Aluminum
- Liquid Flow: 0.2
- Power Source: DC; 12 VDC, 24 VDC