Quattroflow™ Releases QF10k Quaternary Diaphragm Pump


Kamp-Lintfort, Germany – December13, 2017 –Quattroflow™, part of PSG®, a Dover company and a leading brand of positive displacement quaternary diaphragm pumps,is pleased to announce that it has extended its Multiple-Use product line of quaternary (four-piston) diaphragm pumps with the introduction of the new QF10k size pump. Providing a maximum flow rate of 10,000 lph, the new QF10k pump has been specifically designed to fill the gap between the existing QF4400/5050 and QF20k pump sizes.


The new QF10k pump is equipped with an improved, patent-pending stainless-steel pump chamber design that provides excellent drainability to maximize product recovery. In addition, Quattroflow QF10k pumps incorporate a wide variety of other innovative features and benefits, including a maximum pressure of 6 bar (87 psi); 20:1 turn-down ratio; linear flow performance; and high-flow stability even at low flow rates. Quattroflow QF10k pumps also offer Clean-In-Place (CIP)/Steaming-In-Place (SIP) and autoclave capabilities. Available accessories include control box, power box, diaphragm sensor and PID pressure controller. Typical applications include chromatography and cross-flow filter systems.

Multiple-Use pumps from Quattroflow primarily serve the biotech and pharmaceutical industries that require gentle displacement, reliability, product safety, purity and cleanability. With six pump sizes – QF150, QF1200, QF4400, QF5050, QF10k and QF20k – now available, the complete Quattroflow Multiple-Use pump range covers a flow capacity between 1 and 20,000 lph (0.26 and 5,283 gph¬). The smallest size, QF150, comes with an integrated controller as standard. For all other sizes, a separate control box is available. In addition, the sizes QF1200 and QF400 are also offered in a space-saving, compact version with integrated controller and high turn-down ration (QF1200S-CV, 1200S-HT and 4400S-HT).

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

About Quattroflow:
Quattroflow™ is a leading brand of Almatec®Maschinenbau GmbH, Kamp-Lintfort, Germany, which is part of PSG®, a Dover company. Quattroflow pumps offer a four-piston diaphragm technology and primarily serve industries such as pharmaceutical and biopharmaceutical that require gentle displacement, reliability, product safety, purity and cleanability. For more information on Quattroflow and its complete family of four-piston pumps, please visit quattroflow.com. For more information on PSG and any of its leading brands, please visit psgdover.com.

Marketing Contact:               
Rainer Frericks, Director of Marketing    
PSG®, a Dover company    
+49 2842 961-0 or    

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