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Quattroflow® Increasing Single-Use Pump Manufacturing Footprint with Construction of New Cleanroom

by PSG | Jun 07, 2021

Duisburg, Germany – June 7, 2021Quattroflow®, part of PSG®, a Dover company and a leading brand of positive displacement quaternary diaphragm pumps, is pleased to announce that it will increase manufacturing capacity for its single-use quaternary diaphragm pumps with the construction of a new ISO Class 7 cleanroom.

Expected to open in October 2021, this additional cleanroom more than doubles the Quattroflow cleanroom space in Duisburg, Germany. The investment will help support growing customer demand for single-use pump products used in the production of biologics, drugs and vaccines. The new cleanroom will operate independently from the existing one while following the same assembly procedures to achieve product uniformity.

“Single-use technologies are expanding rapidly in biopharma production thanks to the growing market of biopharmaceuticals,” said Karl Buscher, PSG President. “They also played a key role when manufacturers needed to quickly ramp up production of the COVID-19 vaccines. Therefore, expanding our cleanroom footprint is a critical step in increasing our single-use manufacturing capacity to satisfy this growing market demand. Additionally, this investment further strengthens our production reliability and capabilities, allowing us to ensure product consistency and safety.”

Available in a variety of sizes, Quattroflow single-use pumps are designed to provide fast installation and qualification of single-use manufacturing systems. They also reduce downtime between batches by eliminating the need for cleaning validation while increasing manufacturing efficiency and delivering the required levels of product purity and sterility biopharma applications demand.

For more information on Quattroflow, please go to Quattroflow is a product brand within PSG, a Dover company. For more information on PSG, please go to

About Quattroflow®:

Quattroflow™ is a leading brand of quaternary (four-piston) diaphragm pumps that primarily serve industries such as pharmaceutical and biopharmaceutical that require gentle displacement, reliability, product safety, purity and cleanability. Headquartered in Duisburg, Germany, Quattroflow is part of PSG®, a Dover company. For more information on Quattroflow and its complete family of four-piston pumps, please visit

About PSG®

PSG® is a global pump solution expert and leading manufacturer of pumps, systems and related flow-control technology for the safe and efficient transfer of critical and valuable fluids and materials. Headquartered in Oakbrook Terrace, IL, USA, PSG is comprised of several world-class brands, including Abaque™, All-Flo, Almatec®, Blackmer®, Ebsray®, em-tec, EnviroGear®, Griswold®, Hydro Systems, Mouvex®, Neptune™, Quattroflow®, RedScrew™ and Wilden®. PSG products are manufactured on three continents – North America, Europe and Asia – in state-of-the-art facilities that practice lean manufacturing and are ISO-certified. PSG is part of the Fluids segment of Dover Corporation. For additional information on PSG, please visit PSG: Where Innovation Flows.

Marketing Contact:
Rainer Frericks, Director of Marketing
PSG®, a Dover company
+49 2065 89205-0

Media Contact:
Darren Wight, VP Media & Publicity
DeanHouston (agency for PSG®)
513-280-0047 or