Used Cole Parmer Masterflex L/S 7554-95 Peristaltic Pump for sale (96,736)
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Listing
Duxford
18,728 km
Watson Marlow 520Di Peristaltic Pump
Watson-Marlow520Di
Call
Condition: used, This listing is for the Watson-Marlow 520Di Dispensing Pump
The unit is in full working condition and is ready for immediate use
Overview
The 520Di is a high-precision, programmable peristaltic dispensing pump designed for aseptic fluid transfer and filling in pharmaceutical, biotech, and food processing environments. With a simple keypad-screen interface and up to 50 programmable batch routines, it meets cGMP documentation needs while delivering fast and accurate fluid dispensing.
Dispenses 50 mL in 2 seconds with ±0.5% accuracy
Pumps up to 3.5 L/min, pressures up to 2 bar
Batch record output for regulatory compliance
5-year warranty
Enclosure options: IP31 (NEMA2) and IP66 (NEMA4X)
Control
User Interface: Tactile membrane keypad + alphanumeric LCD
Security: Optional passcodes to lock settings
Program Storage: Save 50 custom fill/dispense sequences
Digital I/O: 4 configurable outputs
Remote Operation: Contact closure or logic input control
Documentation
Full operating manuals
Validation support documents (cGMP, IQ/OQ protocols)
Maintenance and calibration guides
Sectors & Applications
Pharmaceutical & Biotech: Aseptic fill/finish, cell culture media filling, vial/bottle dosing
Food Production: Adding dyes, vitamins, flavours
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Laboratory R&D: Benchtop reagent prep, Petri dish filling
Chemical Processing: Metering corrosive or high-viscosity fluids
Listing
Duxford
18,728 km
Cole Parmer Techne Blockice Cooling Heating Block
Cole PalmerTechne Blockice
Call
Condition: used, This listing is for the Cole Parmer Techne Blockice Cooling Heating Block
The unit is in full working condition and is ready for immediate use
The Cole Parmer Techne BLoCKICE (also referred to as CB-200, FBLOCKICE) is a benchtop Peltier-cooled/heated block designed for precise incubation of sample tubes between 0 °C and 40 °C, ideal for maintaining biological samples within the 4–37 °C range
Precise temperature control: Utilizes Isotemp™ technology to ensure uniform temperature across both aluminum blocks, with stability to ±0.2 °C
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Versatile block inserts: Holds two standard interchangeable aluminum insert blocks from the Dri‑Block® range; can use one double-width insert for higher tube volumes
Timer & alert system: Integrated count-up/count-down timer programmable up to 9 days. Timer begins only once the set temperature is achieved, with an audible buzzer at completion
User-friendly interface: Features a five-digit LED display in °C or °F, plus a dark lid to protect light-sensitive reagents and help maintain temperature
Dimensions & build: Compact footprint (~190 mm × 240 mm × 225 mm), weighing ~3 kg, operating on 100–230 V AC, 50/60 Hz
Performance notes: Achieves 4 °C within ~30 minutes at 20 °C ambient; reaching extremes like 0 °C or 40 °C may take hours, although pre-cooling inserts can accelerate that
Listing
Oudewater
18,585 km
Baking oven
WiesheuEuromat 64 S / 64 L Backofen
Call
Year of construction: 2020, condition: excellent (used), functionality: fully functional, machine/vehicle number: 2500-A-BBBBCBAB/2600-A-FBBBCBAA, Wiesheu Duo baking oven in very clean condition. Concerns baking ovens;
- Euromat 64 S Backofen 2500-A-BBBBCBAB
- Euromat 64 L Backofen 2600-A-FBBBCBAA
For more information please contact.
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Listing
Duxford
18,728 km
Watson Marlow 505S Peristaltic Pump
Watson-Marlow505S
Call
Condition: used, This listing is for 1 of 2 Watson Marlow 505S Peristaltic Pump.
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The unit is in full working condition and is ready for immediate release.
Experience precision and reliability with the Watson Marlow 505S Peristaltic Pump, expertly designed for the safe transport of liquids while maintaining a contamination-free environment. Ideal for delivering culture media, buffers, and various solutions, this versatile pump is a valuable addition to any laboratory.
Key Features:
Variable Rotor Speed: With a rotor speed range of 2-220 rpm, the 505S allows for customizable flow rates to suit your specific application needs.
Compact Design: Measuring just 25 x 30 x 12 cm, this pump's compact size makes it perfect for laboratory settings where space is at a premium.
Flexible Electric Supply: Compatible with both 100-120V and 220-240V power sources at 50/60Hz, ensuring versatility in different laboratory environments.
Technical Specifications:
Manufacturer: Watson Marlow
Benefits:
Contamination-Free Operation: The peristaltic design ensures the liquid only comes into contact with the tubing, protecting both your samples and the pump from contamination.
Versatile Applications: Whether you're working with culture media, buffers, or other solutions, the 505S is designed to handle a wide range of laboratory tasks efficiently.
Accessory Options: Enhance your pump's capabilities with various pump head options, such as the 508MC2 Eight Roller Two Channel Micro Pump head and the Easy Load Drive Head, allowing for even greater adaptability.
Choose the Watson Marlow 505S Peristaltic Pump for a dependable, high-performance solution that meets the demands of your laboratory. Achieve consistent results and streamline your liquid handling processes with this exceptional peristaltic pump.
Listing
Duxford
18,728 km
Watson Marlow 530S Peristaltic Pump
Watson-Marlow530S
Call
Condition: used, This listing is for 1 of 2 Watson Marlow 530S Peristaltic Pumps
The units are in full working condition and ready for immediate release.
Overview & Function
The Watson‑Marlow 530S is part of their 500 series cased peristaltic/process pumps.
Industrial Provider
It’s used for precise fluid metering, dosing, or transfer in laboratory, industrial, pharmaceutical, food & beverage, water treatment, and other process environments.
As a peristaltic pump, it works by compressing a flexible tube (or tubing element) with rollers or shoes, pushing fluid forward while the fluid never contacts moving mechanical parts (only the tubing). This gives isolation and reduces contamination risk
Because fluid only contacts tubing, the risk of contamination or cross‑contamination is low, and maintenance is relatively straightforward (replace tubing / elements).
Very good turndown ratio (i.e. ability to dial down flow finely) thanks to the wide speed control range.
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The user interface is designed for operational simplicity and clarity.
Offers flexibility in control: it supports analog and digital remote control, SCADA integration, and bus communication.
Ability to use different pumpheads and tubing materials to suit pressure, chemical compatibility, and flow requirement
Listing
Duxford
18,728 km
Watson Marlow 630S Peristaltic Pump
Watson-Marlow630S
Call
Condition: used, This listing is for 1 of 3 Watson Marlow 630S Peristaltic Pumps
These units are in full working condition and ready for immediate use
A peristaltic pump moves fluid through a flexible tube by sequentially compressing the tube (like a wave) which pushes the fluid forward. Because only the inner surface of the tube contacts the fluid, the pump mechanism is isolated from the fluid — this is useful for:
Handling corrosive, abrasive or sterile fluids
Avoiding contamination (the pump body doesn’t contact the fluid)
Easy maintenance (replace the tubing rather than the pump’s internal components)
Watson‑Marlow is a well-known maker of such pumps in lab, process, pharmaceutical, chemical, water treatment, and industrial settings.
Typical applications / use cases
Because of the flexibility, purity, and control of peristaltic pumps, the 630S is used in:
Chemical dosing / metering (acid, base, reagents)
Pharmaceutical / biotech processes
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Water / wastewater treatment
Food & beverage (for sterile or food-contact fluids)
Laboratory and pilot-scale processing
Listing
London
18,794 km
Watson Marlow 620 Du/R Peristaltic pump
Watson-Marlow620 Du/R
Call
Condition: used, This listing is for the Watson Marlow 620 Du/R Peristaltic pump
The unit is in full working condition and is ready for immediate use
The 620DU is a process peristaltic pump (i.e. hose pump) designed for metering, dosing, and transfer of fluids.
Because it is a peristaltic design, the fluid is contained entirely within the tubing, avoiding contact with internal moving parts (other than the tubing).
It is suitable for remote control, automation, and integration into control systems (SCADA, factory logic, etc.).
Wide control range & precision: The large turndown (2,650:1) gives flexibility to handle both very low and high flow rates with fine control.
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Remote / automation capabilities: Because it supports analog and digital interfaces, it’s well-suited for integrated systems.
Pump protection & security: PIN locking helps avoid unintentional changes in process-critical applications.
Low maintenance on non‑wetted parts: Since only the tubing contacts fluid, mechanical wear is mostly on the tubing, making part replacement simpler.
Safe to run dry: Peristaltic pumps typically tolerate running dry without damage (unlike many positive displacement pumps).
Reversible / ability to back‑flush: This is helpful when attempting to clear lines or avoid clogging.
Limitations / Considerations
Tubing wear / life: The hose or tubing is the consumable component. Chemical compatibility, pressure, and mechanical stress affect how often tubing needs replacement.
Upper pressure / flow limit: While it handles decent pressure (~2 bar standard, possibly up to 4 bar variant), it’s not suited for very high-pressure pumping tasks.
Enclosure limitations (non-“N” model): The standard 620DU is not fully sealed, so it may not be ideal for wet or harsh environments unless you use the “N” variant.
Cost / complexity: More features, interfaces, and protection can make the system more complex (and costlier) to configure, install, and maintain.
Listing
Austria
18,654 km
Rasi S 80.6 L G-V3C50
RasiS 80.6 L G-V3C50
Call
Year of construction: 2006, operating hours: 1,357 h, condition: ready for operation (used), number of axes: 3, This 3-axis Rasi S 80.6 L G-V3C50 was manufactured in 2006. It can bend pipes with a diameter ranging from 4 to 82 mm and features a bending radius of 240 mm. The machine is lightly used and comes with many tools included. If you are looking to get high-quality bending capabilities, consider the Rasi S 80.6 L G-V3C50 machine we have for sale. Contact us for further details.
• Pipe bending capacity: 4–82 mm diameter
• Bending radius (RM): 240 mm
• Nominal voltage: 400 V
• Nominal current: 26 A
• Condition: Lightly used
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Additional equipment
• Included tooling set (many tools included)
Listing
Thurmaston
18,691 km
Toolroom milling machine
XYZ Machine ToolsS L V
Call
Condition: good (used), Year of construction: 2018, Table 1473 x 305mm,
Traverses XYZ: 1000 x 410mm x 400mm (knee),
quill travel 127mm,
Spindle Taper ISO40,
Power Drawbar,
Spindle Motor 5HP,
Spindle Speeds 70 - 3600rpm,
Prototrak SMX CNC Control,
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Listing
Janville
19,054 km
Low-pressure peristaltic pump
PCM Delasco2Z3
Call
Condition: used, Year of construction: 2011, Manufacturer: PCM Delasco
Model: 2Z3
Type: Low-pressure peristaltic pump / Paste pump
Year: 2011
Density: 1.8 max
Cycle: 165 cm
Max speed: 56 rpm
Max pressure: 1.5 bar
Max flow rate: Approx. 9 liters max (calculated estimate)
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Self-priming
Max viscosity: 15,000 cP
Listing
Janville
19,054 km
Low-pressure peristaltic pump
PCM DelascoJZ237
Call
Condition: used, Year of construction: 1998, Manufacturer: PCM Delasco
Model: JZ237
Type: Low-pressure peristaltic pump / Slurry pump
Year: 1998
Maximum pressure: 1.5 bar
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Maximum flow rate: 300 to 600 liters/hour
Listing
Duxford
18,728 km
Watson Marlow 120S/DV Peristaltic Pump
Watson-Marlow120S/DV
Call
Condition: used, This listing is for a Watson Marlow 120S/DV Peristaltic Pump.
The unit is in full working condition and is ready for intimidate release.
Introducing the Watson-Marlow 120S/DV Peristaltic Pump, a cutting-edge solution designed for precise and reliable dosing and metering applications. This versatile pump is ideal for laboratories and cleanroom environments, offering exceptional performance for a wide range of fluid transfer tasks.
Key Features:
Flexible Control Options: Choose between manual remote control or automatic operation via 4-20mA or 0-10V inputs, providing adaptability to your specific workflow needs.
Impressive Flow Rate: Achieve flow rates from 0.001 to 170 mL/min at 30 psi, making it suitable for both low and high-volume applications.
High Motor Speed: With a motor speed range of 0.1 to 200 rpm, the 120S/DV allows for precise adjustments to match your process requirements.
Versatile Tube Acceptance: Compatible with 1.6mm wall thickness tubing in five materials, accommodating internal diameters from 0.5 to 4.8mm for diverse applications.
Technical Specifications:
Model: 120S/DV
Pump Head: 114DV flip-top pump head
Operating Characteristics: Compact and stackable design, perfect for installation in cleanrooms, LAF, and biosafety cabinets.
Benefits:
Maintenance-Free Design: The 120S/DV features a virtually maintenance-free operation with no costly seals, valves, or rotors that can leak or clog, ensuring longevity and reliability.
User-Friendly Features: Speed scrolling, priming, and keypad lock functions enhance usability, making it easy to operate in fast-paced environments.
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Safety and Compliance: This pump meets international safety standards, including UL and CSA certifications, and complies with electromagnetic compatibility standards, ensuring peace of mind in critical applications.
Elevate your liquid handling processes with the Watson-Marlow 120S/DV Peristaltic Pump—the perfect combination of precision, reliability, and user-friendly design for all your dosing and metering needs. Experience the difference today!
Listing
Töltéstava
18,077 km
Peristaltic Pump
IntegraDOSE IT P910
Call
Condition: excellent (used), The machines comes with the required power supply.
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Dose volume 0.1 ml - 9'999 ml
Flow rate 0.6 ml/min – 5 L/min
Tubing inner diameter 1 – 8 mm
Tubing wall thickness 1.5 mm
Dimensions (H x W x D) 203 x 210 x 191 mm
Weight 3.5 kg
Interface 2x RS232
Input voltage 100 – 240 VAC 50/60 Hz
Listing
Duxford
18,728 km
Watson Marlow 504u Mk2 Peristaltic Pump
Watson-Marlow504u Mk2
Call
Condition: used, This listing is for 1 of 2 Watson Marlow 504u Mk2 Peristaltic Pumps
These units are in full working condition and ready for immediate release.
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The Watson‑Marlow 504U is a peristaltic (tube) pump designed for dosing, dispensing, or fluid transfer in laboratory, process, and industrial settings. Because of its design, the fluid only contacts the tubing, which helps with chemical compatibility, sterility, and ease of cleaning/maintenance.
It features a fairly durable, washdown‑resistant housing (IP55) in many versions, allowing it to tolerate exposure to splashing or low‑pressure water jets.
A few variants (e.g., “Mk2” or “Du”) bring updates in control, enclosure, and durability
Other features:
The manual for the 504Du version describes that the pump’s speed control ratio is 220:1, giving a minimum speed of 1 rpm (for the 220 rpm drive) and 0.5 rpm (for 55 rpm version).
The pump is intended to be installed on a horizontal surface with good ventilation and free airflow around it.
The pump allows for remote control / automation through a 6‑pin port for auto/remote operation
Listing
Doncaster
18,601 km
B.BRAUN Unita S 871042-2 Perfusor/ Syringe Pump
B.BRAUNUnita S 871042-2
Call
Condition: used, This listing is for a B.BRAUN Unita perfusor/ syringe pump with mechanical display. SELLERS NOTICE: If you have a competing quote for the item, we will always try to beat it. Items are ‘sold as seen’. The Perfusor is a medical syringe infusion pump designed for precise controlled delivery of medications and fluids to patients. These devices are commonly used in critical care, anaesthesia, emergency, operating theatre, neonatal, paediatric, and adult intensive care environments to administer small-volume infusions (e.g., sedatives, analgesics, vasopressors) where accuracy is essential.
Listing name: B.BRAUN Unita S 871042-2 Perfusor/ Syringe Pump
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Listing
Duxford
18,728 km
Quattroflow QF 1200-S Single-use Diaphragm Pump
QuattroFlowQF 1200-S
Call
Condition: used, This listing is for a Quattroflow QF 1200-S Single-use Pump diaphragm pump.
The unit is in full working condition and is ready for immediate release.
The Quattroflow QF 1200-S is a sophisticated quaternary diaphragm pump specifically engineered for sterile fluid transfer in the pharmaceutical manufacturing and biotech sectors. Its compact design and advanced features position it as a top choice for applications requiring precision and contamination control. Here’s a closer look at its characteristics, advantages, and applications:
Key Characteristics:
Flow Rate: Capable of handling flow rates of up to 1200 litres per hour, making it versatile for various processing needs.
Eccentric Shaft Design: Offers 3° and 5° angles for adjustable flow rates, tailoring the pump’s performance to specific applications.
Pump Chamber Material: Available in both stainless steel for multi-use and polypropylene for single-use, catering to different operational requirements and preferences.
Control System: Features an integrated pump controller (Q-Control) that allows for automated control and monitoring, enhancing operational efficiency and precision.
Interfacing Options: Compatible with various flow and pressure sensors, ensuring seamless integration into existing systems for real-time monitoring.
Model Variants: Includes several models such as QF30, QF150, QF1200, QF2500, and QF44, providing options to meet diverse process demands.
Advantages:
Low-Shear, Low-Slip, Low-Pulsation Performance: This design ensures the gentle transfer of critical biological fluids, preserving their integrity and functionality.
Single-Use Positive Displacement Technology: Reduces maintenance costs significantly and enhances purification yields by minimizing the need for cleaning and validation.
Total Product Containment: The unique seal-less design eliminates contamination risks and particle generation, ensuring the purity of the fluids being transferred.
CIP/SIP-Capable and Autoclavable: Supports clean-in-place and sterilize-in-place protocols, making it suitable for sterile fluid transfer in highly regulated environments.
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Easy Installation and Replacement: The single-use pump chambers are quick to install and replace, streamlining workflows and minimizing downtime.
Listing
Borken
18,513 km
Peristaltic pump
Watson-Marlow120U/DV
Call
Condition: good (used), Watson Marlow 120U/DV peristaltic pump *New price 9100
The 100 series pumps are the ideal choice to maximize yield in fermentation and cell culture applications. These pumps offer not only high performance and reliability, but also ease of use for single-use systems. A flawless tube change takes only a few seconds, further increasing the efficiency of your processes.
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Biopharmaceutical processes require precise and repeatable pump performance that is easy to validate. Our 100 series, with its exceptional speed range of 2,000:1, offers the flexibility and purity essential for drug testing. The keypad lock secures your pump parameters to ensure consistent and repeatable performance.
Technical data:
Protection class housing IP 31
Maximum pressure 30 psi
Model 120 U/DV
Flow rate 0.001 to 170 ml/min at 30 psi
Motor speed 0.1 to 200 rpm
Temperature 5 °C to 40 °C
Pump weight approx. 2 kg
Torque 0.4 Nm continuous operation
Noise level < 60 dB(A) at 1 m distance
Standard CE, cETLus
Power supply Supplied with 24 VDC mains transformer plug
Condition: used
Financing through our bank is also possible.
komplett-konzept.leasingo.de
You can find more laboratory devices - new and used - in our store!
International shipping costs on request!
Listing
Duxford
18,728 km
Scilog Tandem 1081 Peristaltic Pump
ScilogTandem 1081
Call
Condition: used, This listing is for a Scilog Tandem 1081 Peristaltic Pump.
The unit is in full working condition and is ready for intimidate realese.
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Listing
Duxford
18,728 km
Quattroflow QF 1200-S Single-use Diaphragm Pump
QuattroFlowQF 1200-S
Call
Condition: used, This listing is for a Quattroflow QF 1200-S Single-use Pump diaphragm pump.
The unit is in full working condition and is ready for immediate release.
The Quattroflow QF 1200-S is a sophisticated quaternary diaphragm pump specifically engineered for sterile fluid transfer in the pharmaceutical manufacturing and biotech sectors. Its compact design and advanced features position it as a top choice for applications requiring precision and contamination control. Here’s a closer look at its characteristics, advantages, and applications:
Key Characteristics:
Flow Rate: Capable of handling flow rates of up to 1200 litres per hour, making it versatile for various processing needs.
Eccentric Shaft Design: Offers 3° and 5° angles for adjustable flow rates, tailoring the pump’s performance to specific applications.
Pump Chamber Material: Available in both stainless steel for multi-use and polypropylene for single-use, catering to different operational requirements and preferences.
Control System: Features an integrated pump controller (Q-Control) that allows for automated control and monitoring, enhancing operational efficiency and precision.
Interfacing Options: Compatible with various flow and pressure sensors, ensuring seamless integration into existing systems for real-time monitoring.
Model Variants: Includes several models such as QF30, QF150, QF1200, QF2500, and QF44, providing options to meet diverse process demands.
Advantages:
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Low-Shear, Low-Slip, Low-Pulsation Performance: This design ensures the gentle transfer of critical biological fluids, preserving their integrity and functionality.
Single-Use Positive Displacement Technology: Reduces maintenance costs significantly and enhances purification yields by minimizing the need for cleaning and validation.
Total Product Containment: The unique seal-less design eliminates contamination risks and particle generation, ensuring the purity of the fluids being transferred.
CIP/SIP-Capable and Autoclavable: Supports clean-in-place and sterilize-in-place protocols, making it suitable for sterile fluid transfer in highly regulated environments.
Easy Installation and Replacement: The single-use pump chambers are quick to install and replace, streamlining workflows and minimizing downtime.
Listing
Duxford
18,728 km
Watson Marlow 604S Peristaltic Pump
Watson-Marlow604S
Call
Condition: used, This listing is for a Watson Marlow 604S Peristaltic Pump
The unit is in full working condition and is ready for immediate release.
The Watson‑Marlow 604S is a laboratory/industrial peristaltic (tube) pump, designed for dosing, metering, and fluid transfer tasks where the fluid must remain isolated from moving parts. It’s part of the “600” series of Watson‑Marlow pumps and is intended for relatively high flow rates in a controlled environment (e.g. labs, pilot plant, certain chemical or processing setups).
Because it’s a peristaltic pump, the fluid only contacts the inner wall of a flexible tube, which makes it suitable for shear‑sensitive, corrosive or potentially particulated fluids, without contaminating the pump internals
Strengths
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Clean & Isolated Flow: Because only the inner surface of the tubing contacts the fluid, there is no risk of cross‑contamination or fluid leaking into mechanical parts.
Good Flow Capacity: With a relatively high maximum flow (≈ 11 L/min), it can handle moderate bulk transfer in addition to dosing.
Robust Housing: The IP55 rating makes it resistant to dust ingress and water spray, which is beneficial in industrial or lab environments with splashes.
Variable speed control: The broad control range allows fine tuning of flow.
Relative simplicity of maintenance: Replacing tubing is straightforward compared to more complicated pump mechanisms (valves, seals, diaphragms, etc.).
Listing
Duxford
18,728 km
Watson Marlow 520S Peristaltic Pump
Watson-Marlow520S
Call
Condition: used, This listing is for a Watson Marlow 520S Peristaltic Pump. (1 of 7 Available)
The unit is in full working condition and is ready for immediate release.
Peristaltic pumps are the simplest possible pump, with no valves, seals or glands to
clog or corrode. The fluid contacts only the bore of a tube, eliminating the risk of the
pump contaminating the fluid, or the fluid contaminating the pump. Peristaltic
pumps can operate dry without risk.
Easy to install, simple to operate and inexpensive to maintain, peristaltic pumps are ideal for most fluids, including viscous, shear-sensitive, corrosive and abrasive fluids, and those containing suspended solids. Suitable for metering, dosing and dispensing applications.
520S drive offers manual control via a large-key membrane keypad: speed adjustment; run and stop; forward/reverse; "Max" key for rapid priming and purging.
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Supply voltage/frequency: 100-120V/200-240V 50/60Hz
Flow rates from 4 micro-litres/min up to 2.4 liter/min
Precise 2,200:1 speed control range from 0.1 to 220 rpm in 0.1 rpm increments
Large speed/flow display and easy to use tactile membrane keypad. Incorporates keypad lock
Manual control and flow rate calibration
MemoDose for accurate single shot dispensing
Trust Seal
Dealers certified through Machineseeker

Listing
Duxford
18,728 km
Labtec SciLog Tandem 1081 ChemTec Peristaltic Pump with Tandem Model 1081 Head
LabtecTandem 1081
Call
Condition: used, This listing is for the Labtec SciLog Tandem 1081 ChemTec Peristaltic Pump with Tandem Model 1081 Head
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The unit is in full working condition and is ready for immediate use
Dual‑head design
Equipped with two independent pump heads, allowing simultaneous delivery of two separate fluid lines or higher combined flowrate.
Flow & pressure range
Capable of delivering metered flow in applications like bioreactors, diafiltration, titration, and general chemical dosing. It handles pressures from 0 up to approximately 60 psi.
Precise liquid metering
Designed for volumetric and mass flow measurement tasks, maintaining consistency in dosing/reagent addition.
Control interface
Includes an RS‑232 serial interface for external control via software or integration into automation systems
Use Cases
Bio‑processing & fermentation: Automated nutrient or reagent addition in tandem line setups.
Filtration processes: Controlling flow through membranes in diafiltration or tangential flow filtration.
Titration and pH control: Precise dosing of acids/bases based on sensor or feedback-controller inputs.
General lab fluid handling: Pumping corrosive or viscous liquids safely without contamination, thanks to peristaltic tubing.
Listing
Duxford
18,728 km
Watson Marlow 520Di Peristaltic Pump
Watson-Marlow520Di
Call
Condition: used, This listing is for the Watson-Marlow 520Di Dispensing Pump
The unit is in full working condition and is ready for immediate use
Overview
The 520Di is a high-precision, programmable peristaltic dispensing pump designed for aseptic fluid transfer and filling in pharmaceutical, biotech, and food processing environments. With a simple keypad-screen interface and up to 50 programmable batch routines, it meets cGMP documentation needs while delivering fast and accurate fluid dispensing.
Dispenses 50 mL in 2 seconds with ±0.5% accuracy
Pumps up to 3.5 L/min, pressures up to 2 bar
Batch record output for regulatory compliance
5-year warranty
Enclosure options: IP31 (NEMA2) and IP66 (NEMA4X)
Control
User Interface: Tactile membrane keypad + alphanumeric LCD
Security: Optional passcodes to lock settings
Program Storage: Save 50 custom fill/dispense sequences
Digital I/O: 4 configurable outputs
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Remote Operation: Contact closure or logic input control
Documentation
Full operating manuals
Validation support documents (cGMP, IQ/OQ protocols)
Maintenance and calibration guides
Sectors & Applications
Pharmaceutical & Biotech: Aseptic fill/finish, cell culture media filling, vial/bottle dosing
Food Production: Adding dyes, vitamins, flavours
Laboratory R&D: Benchtop reagent prep, Petri dish filling
Chemical Processing: Metering corrosive or high-viscosity fluids
Listing
Duxford
18,728 km
Watson Marlow 323 Peristaltic Pump
Watson-Marlow323
Call
Condition: used, This listing is for the Watson Marlow 323 Peristaltic Peristaltic Pump
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The unit is in full working condition and is ready for immediate use
The 323 series from Watson‑Marlow is a benchtop “cased” pump line (sometimes called peristaltic or rotary tubing based pumps) designed largely for laboratory and light industrial applications. Key features include:
A drive unit (“drive”) plus interchangeable pumphead/tubing to suit different flow rates, tubing types, chemical compatibilities.
Versions available with different levels of control: manual speed control; auto/remote control; analogue inputs/outputs; RS‑232 etc.
A membrane keypad and digital LCD on most models to set/display speed etc.
Build is robust: chemically resistant ABS top, IP31 protection rating
Listing
Duxford
18,728 km
Autoclude Model V Peristaltic Pump
AutocludeModel V
Call
Condition: used, This listing is for the Autoclude Model V Peristaltic Pump
The unit is in full working condition and is ready for immediate use
The Autoclude peristaltic pump is a type of tube (hose) pump made by Verderflex / Autoclude. Its defining feature is that only the flexible tube (or hose) inside the pump is in contact with the fluid being pumped. The rest of the pump (rollers, casing etc.) stay clean / isolated. This makes them good for contamination-critical, corrosive, slurry, or shear-sensitive fluids
Design / Key Features
Some of the design / functional features:
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Seal-less and valveless: Since fluid is contained within tube, no seals exposed to fluid or valves that could leak.
Self-priming: Can start pumping without needing fluid completely filling the inlet, and often able to handle gas or ‘air’ in the line.
Capable of running dry without damage (when tube material allows) for short durations.
Electrolab Group
Reversible flow: The rotor or drive can reverse, so flow can be reversed to purge lines, etc.
Gentle pumping: Because fluid only contacts tube, and the shearing is limited, better for shear-sensitive liquids / slurries.
Rapid tube replacement
Stackable / multi‑head options: Some “easy tube loading” models allow several pump heads to be driven by a single drive unit, for multi‑channel or sampling/analysis setups
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