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.

View Our Products

Coriolis Flow Meters

View All

Ultrasonic Sensors

View All

Flow Control Valves

View All

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.

View Our Markets
Quattroflow Biopharma Pump QF20k Single-Use

Quattroflow 20kSU Max. Flow Rate 16000 lph

  • Disposable machined polypropylene pump chamber
  • Easy replacement
  • Installation aid

Technical Data

QF20kSU Standard Motor
Flow Rate Maximum Eccentric Shaft 7° 16000 lph (267 lpm)
Flow Rate Minimum Eccentric Shaft 7° 1000 lph (16.7 lpm)
Pressure Temperature of Fluid < 40°C (104°F) 4 bar (58 psi)
Temperature of Fluid > 40°C (104°F) 4 bar (58 psi)
Maximum Temperature Fluid 60°C (140°F)
Suction Lift Dry 330 rpm Eccentric Shaft 7° 4 – 4.5 m (13.1-14.7 ft)
Volume Specifications Approximated Volume per
Revolution at Free Output
470 ml
Filling Volume Without Connectors 2950 ml
Connection Specification (Standard) Connectors 2" TC
Position of Connectors Front
Product Wetted Materials (Standard) Pump Chamber PP
Valve Plate PP
Diaphragms TPE
Valves EPDM/SS316L
O-rings EPDM
Certificates/Proofs (Optional) Elastomere (product wetted) USP <88> Cl. VI; FDA21CFR177;
USP 87/381/661
Motor Rated speed 1460/474 min-1 (50 Hz)
Voltage 230/400 V
Power 4 kW
Pump Dimension with Motor and Housing Length 1152.5 mm (45.37")
Width 400 mm (15.75")
Height 416 mm (16.38")
Pump Weight with Motor and Housing 190 kg (419 lb)

Other connection specifications, materials and motors available on request.


Click on the images to enlarge.

Quattroflow Biopharma Pump QF20k Single-Use Performance Chart


Quattroflow Biopharma Pump QF20k Single-Use Performance Chart




Didn't find what you are looking for? Feel free to contact us, we look forward to hearing from you!