Used Cole Palmer Cole Palmer Masterflex L/S 7554-95 Peristaltic Pump for sale (97,381)
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Listing
Mala Vranjska
8,860 km
Mixer
SindPaddle Mixer S 200 l 2P
Call
Condition: new, Type: S 200 l 2P
Complete stainless steel
Hopper capacity 200 liter
Double working shafts with paddles
Rotation of shafts in both directions
Protection cover
Two motors and two gears, transmission chain
Electric power: 1.5 kW + 1.5 kW
Voltage: 380 V / 50 Hz
Discharging: 2 flaps
Installation dimensions of machine in cm:
Width: 120
Lenght: 65
Height: 100
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Delivery time: after advanced payment, one working day
Listing
Töltéstava
8,528 km
Peristaltic Pump
IntegraDOSE IT P910
Call
Condition: excellent (used), The machines comes with the required power supply.
Dose volume 0.1 ml - 9'999 ml
Flow rate 0.6 ml/min – 5 L/min
Tubing inner diameter 1 – 8 mm
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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
Voerde (Niederrhein)
7,628 km
Progressiv cavity pump Seeped BN5/6 L
SeepexBN 5/6 L
Call
Year of construction: 1997, condition: used, Used progressing cavity pump
Manufacturer: Seepex
Type: BN5/6L
Com. No.: 97935
Year of construction: 1997
Pressure level: 6L
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Dimensions: L 1150mm

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Listing
Duxford
7,214 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
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Design / Key Features
Some of the design / functional features:
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
Listing
Borken
7,614 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.
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
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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
Mala Vranjska
8,860 km
Mixer
SindVacuum Paddle Mixer S 500 l 2P-V
Call
Condition: new, Type: S 500 l 2P-V
Complete stainless steel
Hopper capacity 500 liter
Double working shafts
Rotation of shafts in both directions
Vacuum: 0,04 – 0,06 mpa
Electric power: 5.6 kW
Voltage: 380 V / 50 Hz
Discharging pneumatic flaps
PLC + Touchscreen control
Delay start
99 programs
Installation dimensions of the machine in cm:
Width: 160
Lenght: 95
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Height: 142
Delivery time: after advanced payment, one working day
Listing
Gerolzhofen
7,947 km
Thicknessing machine
SCMS 630 E - L´invincibile
Call
Condition: used, Year of construction: 2007, used, top specification, machine overhauled, cleaned, fully adjusted
trial planing
with Tersa cutter block
large planing height
New parts:
key bar for cutter block
2 outfeed rollers
1 table pressure roller with complete adjustment
bearing blocks
Tersa planer knives
Make: SCM
Model: S630 E- Invincibile
Year of manufacture: 2007
Machine number: AB/184684
GS tested
CE type tested
GS wood dust tested
Upgraded motor: 7.5 kW
Planing width: approx. 630 mm
Planing height: approx. 300 mm
table pressure rollers: 2 adjustable
chain pressure bar
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chain feed roller
rubber outfeed roller (2x new)
variable feed up to 20 m/min
number of knives: 4
automatic motor brake
knife system: Tersa reversible knives
digital display for planing height
electric height adjustment
extraction port: 160 mm
space required: approx. 1400 x 1000 x 1200 mm
weight: approx. 1000 kg
Location: 97447 Gerolzhofen, free loaded, unpacked
Delivery as is, as inspected,
without warranty or guarantee
Listing
Doncaster
7,063 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.
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Listing name: B.BRAUN Unita S 871042-2 Perfusor/ Syringe Pump
Listing
Germany
7,829 km
5.000 l diesel pump station
Schneider Tankbau5m³ Dieseltank DIN 6616/D + Zapfpumpe
Call
Condition: good (used), functionality: fully functional, machine/vehicle number: 5.000 Liter-Tankstelle, tank capacity: 5,000 l, 5.000 l diesel or heating oil pump station
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Listing
Duxford
7,214 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.
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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
7,214 km
Scilog Tandem 1081 Peristaltic Pump
ScilogTandem 1081
Call
Condition: used, This listing is for a Scilog Tandem 1081 Peristaltic Pump.
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The unit is in full working condition and is ready for intimidate realese.
Listing
Duxford
7,214 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.
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.
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The pump allows for remote control / automation through a 6‑pin port for auto/remote operation
Listing
Duxford
7,214 km
Watson Marlow SCIQ 323 Peristaltic Pump
Watson-MarlowSCIQ 323
Call
Condition: used, This listing is for 1 of 3 Watson Marlow SCIQ 323 Peristaltic Pump.
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The unit is in full working condition and is ready for immediate release.
The Sci-Q 323 range is designed exclusively for scientific pumping needs, and brings a stunning level of performance and quality to the bench top.
323S high-performance manual control variable speed pump
• High-performance microprocessor controlled pumps
• 323S can be extended with 313X extension pump heads to five channels
• Flow rates to 2000ml/min and 133:1 speed control ratio
323S speed adjusts in 1rpm steps from 3 to 400rpm. keypad lock prevents tampering or accidental changes, auto restart for mains failure recovery, switchable between 100-120V or 220-240V,
MemoDose facility for accurate single shot dosing.
323S drives may also be fitted with 314 four roller pump heads if lower pulsing is required, or with 313D2 or 314D2 pump heads which accept 2.4mm wall thickness tubing for higher pressure operation or pumping more viscous fluids.
For low-flow pumping, up to ten channels, 323S drives may be fitted with 314MC (four-roller) micro-cassette pump heads, which can be extended to ten channels by adding one 314MCX or 318MCX extension pump head. This pump is fitted with one 314MC head and will be supplied with an additional spare 314MC as per images
Serial# H041702
Dims 27cm (D) x 22cm (W) x 12cm (H)
Listing
Duxford
7,214 km
Watson Marlow 620S/R Peristaltic Pump
Watson-Marlow620S/R
Call
Condition: used, This listing is for 1 of 7 Watson Marlow 620S/R Peristaltic Pumps
The units are in full working condition and ready for immediate use
Design & Functionality
The 620S/R model is part of the 600 Series of cased peristaltic pumps featuring a brushless DC motor equipped with digital keypad control (620S) and a sturdy NEMA 2 / IP31 vented, wipe‑down enclosure suited for dry industrial environments ,It operates at dual voltage (100–120 V or 200–240 V, 50/60 Hz) and includes features like MemoDose for one-shot dosing and wireless guard-switching for safety
The casing is chemically resistant, with powder-coated die-cast aluminium construction and an easy-to-clean membrane keypad
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Pump Performance
Flow range: 0.00026 to ~4.23 gpm (equivalent to ~0.001 to 16 L/min) with the 620R pump head
With newer 620RE LoadSure heads, the flow increases up to ~4.76 gpm (0.004–18 L/min)
Pressure capability: Up to approximately 60 psi (4 bar) with the appropriate head and tubing
Control accuracy: Exceptional 2,650:1 turndown ratio, fine speed control from 0.1 to 265 rpm in selectable increments (0.1, 0.5, 1, 2, 5, or 10 rpm), with 0.1% speed accuracy
Pump Heads & Tubing
The model supports the following interchangeable pump heads:
620R Mk II (continuous tubing, two rollers)
620RE and 620RE4 (LoadSure elements, two or four rollers)
These heads are compatible with various tubing materials (e.g., Marprene™, Bioprene™, Sta‑Pure™, silicone) and sizes (typically 6.4 mm to 17 mm inner diameter)
The 620RE and RE4 heads feature retractable rollers for easier cleaning (CIP/SIP) and rapid loading
AFAB Lab Resources - Used Lab Equipment
Physical Attributes & Construction
Ingress Protection: IP31 (NEMA 2) for the standard 620S/R; there are IP66/NEMA 4X variants (e.g., 620SN/R) for environments requiring better dust and water resistance
Weight: Around 19.6 kg (with 620R/RE head) to 20.1 kg (with 620RE4)
Sound level: Less than 70 dB(A) at 1 m—relatively quiet for continuous industrial operation
Advanced Features
MemoDose: Delivers precise single-shot volumes—ideal for dosing applications
Ramp function & non‑drip: Ramp improves handling of delicate fluids, preventing splashes/frothing, while non-drip minimizes residual drips at dose end (noted in related Di versions but often included in feature suites)
Data export: Some models (e.g. 620S/RE) support RS‑232 export of batch records—important for GMP compliance
Listing
Duxford
7,214 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:
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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.
Easy Installation and Replacement: The single-use pump chambers are quick to install and replace, streamlining workflows and minimizing downtime.
Listing
Duxford
7,214 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
7,214 km
Watson Marlow 520Di Peristaltic Pump Without Legs
Watson-Marlow520Di
Call
Condition: used, This listing is for the Watson-Marlow 520Di Dispensing Pump without legs
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
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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
Laboratory R&D: Benchtop reagent prep, Petri dish filling
Chemical Processing: Metering corrosive or high-viscosity fluids
Listing
Duxford
7,214 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.
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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.
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
Listing
Duxford
7,214 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
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.
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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
7,214 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
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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
Laboratory R&D: Benchtop reagent prep, Petri dish filling
Chemical Processing: Metering corrosive or high-viscosity fluids
Listing
Duxford
7,214 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:
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.
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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
Trust Seal
Dealers certified through Used-Machines

Listing
Duxford
7,214 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
London
7,228 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.
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).
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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
Janville
7,536 km
Low-pressure peristaltic pump
PCM DelascoJZ237
Call
Condition: used, Year of construction: 1998, Manufacturer: PCM Delasco
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Model: JZ237
Type: Low-pressure peristaltic pump / Slurry pump
Year: 1998
Maximum pressure: 1.5 bar
Maximum flow rate: 300 to 600 liters/hour
Listing
Janville
7,536 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)
Self-priming
Max viscosity: 15,000 cP
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