What are the main advantages of a peristaltic pump for dispensing?

Peristaltic pumps offer contamination-free fluid transfer as the fluid only contacts the tubing. They provide high accuracy and repeatability, making them ideal for precise dispensing and metering applications.

Is this pump suitable for sterile environments?

Yes, the design of peristaltic pumps, where the fluid is contained within a sterile tube, makes them highly suitable for aseptic fluid transfer and filling in pharmaceutical and biotech environments.

What kind of maintenance does a peristaltic pump require?

Maintenance primarily involves regular inspection and replacement of the peristaltic tubing, which is a wear part. Calibration may also be required periodically to maintain dispensing accuracy.

Can this pump handle different fluid viscosities?

Peristaltic pumps are well-suited for handling a wide range of fluid viscosities, from low-viscosity liquids to highly viscous fluids, without significant impact on performance.

Are there options for remote control or integration with other systems?

Many modern peristaltic dispensing pumps, including those of this type, offer digital I/O and remote control capabilities via contact closure or logic input for integration into automated processes.

used Equipment

Available

Verified seller

Watson Marlow - 520Di Peristaltic Pump

Name: 520Di Peristaltic Pump
Brand: Watson Marlow
SKU: 31648/31647/31649/SR9B1
Price: 700 GBP
Availability: InStock

Price: £ 700

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

Laboratory R&D: Benchtop reagent prep, Petri dish filling

Chemical Processing: Metering corrosive or high-viscosity fluids

Cambridgeshire, United Kingdom

5,791 km away

Model Number

520Di

Stock Number

31648/31647/31649/SR9B1

Machinery Masters View

Typical context for this category of equipment. Always confirm specifics with the seller.

Applications & Use Cases

Aseptic filling and dispensing in pharmaceutical and biotech manufacturing.
Precise dosing of ingredients like dyes, vitamins, and flavours in food production.
Laboratory reagent preparation and media dispensing for R&D.
Metering of corrosive or high-viscosity fluids in chemical processing.

Typical Specifications

Typical flow rate: Units of this class commonly offer flow rates up to 3.5 L/min.
Dispensing accuracy: High-precision models typically achieve ±0.5% accuracy for dispensed volumes.
Operating pressure: Peristaltic pumps in this category can generate pressures up to 2 bar.
Programmable routines: Advanced units often store up to 50 programmable batch routines.
Ingress protection: Enclosure options typically range from IP31 (NEMA2) to IP66 (NEMA4X).
Control interface: Commonly features a tactile membrane keypad and alphanumeric LCD.
Power supply: Typically operates on standard single-phase mains power, commonly 100-240V AC.

Frequently Asked Questions

Peristaltic pumps offer contamination-free fluid transfer as the fluid only contacts the tubing. They provide high accuracy and repeatability, making them ideal for precise dispensing and metering applications.

Machinery Masters Intelligence. General guidance for this category of equipment only, not a substitute for the seller's exact specifications. Always confirm details with the seller.