Peristaltic Pumps
Keeping the pump out of contact with the fluid solves a whole class of problems, and peristaltic pumps do exactly that. A rotor squeezes flexible tubing to move the liquid, so only the tube touches the media and there is nothing to clean between products but the tube itself. That makes them the default for sterile transfer, shear sensitive cultures and abrasive slurries alike. Buyers weigh flow rate, tube size and whether the head accepts the tubing they validate around. Listings describe head type and speed control so you can match a pump to your line. Contact the seller to confirm tube compatibility.
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Peristaltic Pump Types
Under the liquid handling, pumps and fluid control banner, peristaltic pumps divide by head design and by how finely they control flow. The variants cover sterile transfer, dosing and continuous process feed.
Fixed speed transfer pumps
Single speed heads that move media and buffers at a set rate for simple transfer. They suit filling and decanting where a constant flow is all you need.
Variable speed dosing pumps
Digital drives that set flow precisely and repeat a dose for accurate addition. They serve reagent metering and fed batch culture control.
Multichannel cartridge pumps
Heads with several tube channels that run parallel flows from one drive. They feed multiple reactors or fraction lines at matched rates.
High flow industrial hose pumps
Heavy tube hose pumps that move slurries and viscous fluids at high volume. They handle abrasive process streams that would wear a conventional pump.
Brands on Machinery Masters
The manufacturers featured here build peristaltic pumps for laboratory and bioprocess fluid transfer. Their equipment keeps fluid inside the tubing, which protects sterility and simplifies changeover. The strip below reads off the Peristaltic Pumps listings currently live on Machinery Masters, so it tracks what sellers actually have in stock.
Latest Peristaltic Pumps Listings
Watson Marlow 520Di Peristaltic Pump
Cole Parmer Masterflex L/S 7554-95 Peristaltic Pump
Cole Parmer MasterFlex L/S 7554-95 Peristaltic Pump
Watson Marlow 120S/DV Peristaltic Pump
Watson Marlow 620 Du/R Peristaltic pump
Watson Marlow 530S Peristaltic Pump
Why Choose Machinery Masters
Verified Sellers Only
Every seller is verified before a single listing goes live. Machinery Masters also reviews listings for accuracy, so buyers can commit to high value machinery with confidence.
Global Reach
Listings come from sellers across Europe, North America, and beyond. That reach widens the options past any regional dealer network, and it is often the only way to find discontinued models in good condition.
Flexible Financing Options
Qualifying listings carry financing through partner providers. Terms are shown directly on eligible product pages, spreading the cost instead of draining working capital in one hit.
Direct Seller Contact
No broker sits between the buyer and the seller. Ask about service history, arrange inspections, and negotiate directly with the person who actually knows the machine.
Applications and Uses
Peristaltic pumps handle work where the fluid must stay isolated or gently treated. These are their core uses.
Sterile media transfer
Moving culture media and buffers in bioprocessing without breaking sterility. The single use tube keeps the fluid path clean between batches.
Bioreactor feed and harvest
Feeding nutrients and drawing off product from cultures at a controlled rate. Gentle pumping protects shear sensitive cells.
Fraction collection
Delivering measured flow to fraction collectors on chromatography systems. Multichannel heads run several streams at matched rates.
Abrasive slurry handling
Pumping slurries and viscous fluids that would erode other pump types. The fluid stays inside the tube, away from any moving part.
Benefits from Machinery Masters
Sourcing a peristaltic pump here gives you range across sterile, dosing and high flow duties with clear detail.
Contact free pumps for clean work
The category collects peristaltic pumps built to keep the drive away from the fluid, so finding one matched to your tubing is quick.
Refurbished peristaltic drives ease the budget
A used peristaltic pump costs well under a new one and needs only fresh tubing to run, and the saving covers spare tubes and rollers.
Tube fit confirmed by the seller
You confirm the tube sizes and materials a head accepts before you buy, keeping the peristaltic pump aligned with the tubing you validate around.
Frequently Asked Questions About Peristaltic Pumps
Tubing choice sets both the flow rate and the chemical and sterility performance, so match the material to your fluid first. Silicone suits many sterile aqueous applications, while more resistant grades handle solvents and longer life. The tube bore and wall thickness then set the flow at a given speed. Ask the seller which tube sizes the head accepts so your validated tubing fits.
Tube life depends on the material, the pump speed and the pressure it works against, since the rollers fatigue the tube over time. Continuous high speed running shortens life, while gentle intermittent use extends it. Plan to replace tubing on a schedule before it fails and leaks. The seller can advise typical tube life on the model and whether spares are readily available.
Variable speed digital pumps dose accurately once calibrated for the specific tube, because flow relates to speed and tube dimensions. Calibrate the delivered volume against a balance and recalibrate when you change tubing. For fed batch and reagent addition this gives repeatable control. Ask the seller whether the listed pump offers the speed resolution and calibration features your dosing needs.
Peristaltic pumps handle moderate back pressure, but high pressure squeezes the tube harder and shortens its life. Note the pressure your line imposes from filters and fittings before selecting a pump. Heavy duty hose pumps tolerate more pressure than light tube heads. Give the seller your line pressure so they can confirm the pump and tube suit the duty.
Financing is offered on qualifying listings, which helps when a multichannel or industrial hose pump carries a higher price. Put the question to the seller when you enquire and they will say if the pump is eligible. Spreading the cost keeps capital available for tubing and installation. The terms depend on the pump and the seller.