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Quattroflow Diaphragm Pumps: Single-Use: QF4400SU Q-Control

The design and operation of Quattroflow pumps solve many of the challenges faced by pharmaceutical and biotech manufacturers. These pumps do not feature a mechanical shaft seal or wetted rotating parts, ensuring total product containment without abrasion and particle generation.


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Quattroflow 4400SU Q-Control

Max. Flow Rate 5000 lph

Quattroflow single-use combines convenience with the ability to save time and money by eliminating the cost of cleaning and decontamination. Gamma-irradiated upon request, these pumps ensure the integrity of your process and production output by providing the safe, clean and reliable transfer of your high purity process fluids.

    QF4400SU Features & Benefits

    • Disposable wetted pump chamber
    • Pump chamber made of solid polypropylene
    • Separate control box for manual operation available


    Q-Control is an integrated pump controller for Quattroflow multiple-use and single-use pumps. It interfaces with a variety of flow and pressure sensors to provide user with automated control over their pump operations. With built-in smart control functions that no longer requires an external PLC, Q-Control leads to a new generation of Quattroflow biopharma pumps.

    • Integrated pump controller that interfaces with different flow and pressure sensors
    • Smart control functions that usually require an external PLC
    • PID control mode for pressure- or flow-controlled pump operations
    • Autotune function to automatically find optimal PID parameters
    • Configurable alarms to stop the pump
    • Dispensing feature to automatically fill defined volumes of liquid
    • RS485 Modbus communication port
    • Trend data and alarm logging
    • Remote operation

    At Liquidyne, we prioritize our commitment to quality and consistency. In 2017 we achieved ISO 9001:2015 Quality Management System certification to ensure we can repeatedly deliver consistently high-quality products and solutions. Being an ISO 9001 facility, together with our USP Class VI Testing, ASME Bioprocessing Equipment (BPE), and EHEDG certification guarantee, we have the methodologies to assure quality. We will quickly and accurately rectify any issues if any of our products are ever in non-conformance.

    img ‰ files/ISO_9001_Quality_Management_System_Certified.png ¶ url ‰ iso-certificate ¶ cta ‰ View Certificate ¶ txt ‰ At Liquidyne, we prioritize our commitment to quality and consistency. In 2017 we achieved ISO 9001:2015 Quality Management System certification to ensure we can repeatedly deliver consistently high-quality products and solutions. Being an ISO 9001 facility, together with our USP Class VI Testing, ASME Bioprocessing Equipment (BPE), and EHEDG certification guarantee, we have the methodologies to assure quality. We will quickly and accurately rectify any issues if any of our products are ever in non-conformance. ¶
    Testimonial from Process Development Manager

    "Thanks so much! What a quick turn around. It is a pleasure working with Liquidyne."

    Process Development Manager

    Testimonial from Vice President, Analytical Development and Manufacturing

    "I received the cart yesterday, thanks for the fast delivery! It feels sturdy. I sat on it. It does not bounce. It is also easy to clean and wipe or wash down."

    Vice President, Analytical Development and Manufacturing

    Testimonial from Chemical Engineer

    "Thanks again for reacting so quickly and meeting me halfway with the element. We will be able to get installed and have things keep moving overnight with the night crew. The little things like this are always greatly appreciated when working with Liquidyne."

    Chemical Engineer

    Testimonial from VP Antibody Manufacturing

    “This pump cut our processing time from 3 days to 1 shift. I’m not giving this pump back. You will have to come and get it if you want it... and that won’t likely happen.”

    VP Antibody Manufacturing

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