PSG Biotech Products

From Laboratory to Commercial Scale

Best-in-class pump, flow control and flow-measurement solutions that safely transfer and precisely meter the most delicate of biologics, medicines and therapeutics, all while increasing yield, throughput and speed to market.

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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 industry.

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Quattroflow Biopharma Pump QF30SU Single-Use Quattroflow Biopharma Pump QF30SU Single-Use Pump Chamber QF30SU-OEM

Quattroflow QF30SU Max. Flow Rate 30 lph


  • Disposable pump chamber with tool-free installation
  • Retrofittable on QF150 drives
  • 500:1 turn-down ratio
  • Linear flow performance
  • 0.06 – 30 lph flow range (1-500 ml/min), max. 4 bar (58 psi)
  • Analog input, 0-5 VDC
  • Available accessories: Power box, diaphragm sensor, PID pressure controller
  • Typical applications include: Chromatography, TFF and virus filtration


  • OEM design for easy skid integration
  • Extended turndown ratio
  • Global power supply and motor certification
  • Multiple accessories (VFD, Cable, Gasket) available
  • Flange adapters for additional motor types available

Technical Data

Standard Motor QF30SU QF30SU OEM
Flow Rate Maximum Eccentric Shaft 3° 30 lph (500 mlpm) 30 lph (500 mlpm)
Flow Rate Minimum Eccentric Shaft 3° 0.06 lph (1 mlpm) 0.06 lph (1 mlpm) 
Pressure Temperature of Fluid < 40°C (104°F) 4 bar (58 psi) 4 bar (58 psi)
Temperature of Fluid > 40°C (104°F) 4 bar (58 psi) 4 bar (58 psi)
Maximum Temperature Fluid 60°C (146°F) 60°C (146°F)
Minimum Temperature Fluid 4°C (39,2°F) 4°C (39,2°F)
Pump Speed Range rpm 1 – 1,000 1 – 1,000
Suction Lift Dry Eccentric Shaft 3° 1 m (3.28 ft) 1 m (3.28 ft) 
Volume Specifications Approximated Volume per Revolution at Free Output 0,59 ml (3°)
0,59 ml (3°)
Approximated Filling Volume Without Connectors 5.2 ml 5.2 ml 
Connection Specification (Standard) Connectors Hosebarb 4 mm Hosebarb 4 mm
Position of Connectors Front Front
Product Wetted Materials (Standard) Pump Chamber PP PP
Valve Plate PP PP
Diaphragms TPE TPE
Certificates/Proofs (Optional) Elastomer (product wetted) USP <88> Cl. VI; FDA21CFR177;
USP <88> Cl. VI; FDA21CFR177;
Motor Type Brushless
Rated Speed 3000 min-1 3000 min-1
Voltage 230 V (110 V as option) 3 x 230V / 3 x 400V
Power 90 W
Pump Dimension with Motor and Housing Length 275 mm (10.83") 287 mm (11.30")
Width 164 mm (6.46") 100 mm (3.94")
Height 185 mm (7.28") 130 mm (5.12")
Pump Weight with Motor and Housing 9 kg (20 lb) 6.1 kg (13.4 lb)


Click on the images to enlarge.

Quattroflow Biopharma Pump QF30SU Single-Use Performance Chart



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