Quattroflow Products

Ensuring total product containment without abrasion

The Quattroflow™ pump's method of operation allows it to gently, safely and securely convey aqueous solutions and biological products that are shear sensitive.

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Quattroflow Markets

Ideal solutions for critical applications

Quattroflow™ develops and manufactures quaternary (four-piston) diaphragm pumps specifically designed for critical applications in the biopharma as well as food and beverage industries.

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About PSG

PSG® is a global leader in the manufacture of pumps, systems and related flow-control solutions for the safe, efficient and reliable transfer of critical and valuable materials. PSG features world-class pump brands – Wilden®, Blackmer®, Neptune™, Almatec®, Mouvex®, Griswold®, Ebsray®, EnviroGear®, Quattroflow™, Abaque™ and All-Flo® – committed to servicing key vertical markets that include Hygienic, Chemical and Energy. We are passionately committed to innovative technologies that will positively impact the world. Our priority is providing the market expertise you need by delivering tomorrow’s innovative fluid and material transfer solutions today. For more information, please visit psgdover.com.

About Dover

Dover is a diversified global manufacturer with annual revenue of approximately $7 billion. We deliver innovative equipment and components, specialty systems, consumable supplies, software and digital solutions, and support services through five operating segments: Engineered Products, Fueling Solutions, Imaging & Identification, Pumps & Process Solutions and Refrigeration & Food Equipment. Dover combines global scale with operational agility to lead the markets we serve. Recognized for our entrepreneurial approach for over 60 years, our team of approximately 24,000 employees takes an ownership mindset, collaborating with customers to redefine what's possible. Headquartered in Downers Grove, Illinois, Dover trades on the New York Stock Exchange under "DOV." Additional information is available at dovercorporation.com.