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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QF4400S-HT QF4400S

Quattroflow 4400S Max. Flow Rate 5000 lph


  • Stainless steel pump chamber
  • Separate control box for manual operation available
  • ATEX version available


  • Integrated pump chamber, pump drive, motor and control box
  • Extended turndown ratio
  • Compact design

Technical Data

QF4400S Standard Motor HT Standard Motor
Flow Rate Maximum Eccentric Shaft 6° 5000 lph (83 lpm) 5000 lph (83 lpm)
Flow Rate Minimum Eccentric Shaft 6° 150 lph (2.5 lpm) 50 lph (0.83 lpm)
Pressure Temperature of Fluid < 40°C (104°F) 6 bar (87 psi) 6 bar (87 psi)
Temperature of Fluid > 40°C (104°F) 4 bar (58 psi) 4 bar (58 psi)
Maximum Temperature Fluid 80°C (176°F) 80°C (176°F)
CIP 90°C (194°F) 90°C (194°F)
SIP 130°C (266°F) 130°C (266°F)
Autoclave 130°C (266°F) 130°C (266°F)
Suction Lift Dry at 1200 rpm Eccentric Shaft 6° 4 - 4.5 m (13.1 - 14.7 ft) 4 - 4.5 m (13.1 - 14.7 ft)
Volume Specifications Approximated Volume per Revolution at Free Output 95 ml 95 ml
Filling Volume Without Connectors 820 ml 820 ml
Connection Specification (Standard) Connectors 1.5" TC 1.5" TC
Position of Connectors Front Front
Product Wetted Materials (Standard) Pump Housing SS316L SS316L
Valve Plate SS316L or PP SS316L
Diaphragms TPE TPE
Valves EPDM/SS316L EPDM/SS316L
Certificates/Proofs (Optional) Elastomere (product wetted) USP <88> Cl. VI; FDA21CFR177; BSE/TSE Safe USP <88> Cl. VI; FDA21CFR177; BSE/TSE Safe
Stainless Steel Parts (product wetted) 3.1; Surface Roughness; Ferrite Content 3.1; Surface Roughness; Ferrite Content
Motor (Standard) Rated speed 1410 min-1 (50 Hz) 1200 min-1
Voltage 230 V/400 V 400 V*
Power 2.2 kW 4.0 kW
Pump Dimension with Motor and Housing Length 852 mm (33.54") 790 mm (31.10")
Width 250 mm (9.84") 275 mm (10.83")
Height 333 mm (13.11") 393 mm (15.47")
Pump Weight with Motor and Housing 120 kg (265 lb) 90 kg (198 lb)

Other connection specifications, materials and motors available on request.
*3 x 230 V as option


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QF4400S Eccentric Shaft 6° — Liter


QF4400S Eccentric Shaft 6° — Gallon


QF4400S-HT Eccentric Shaft 6° — Liter


QF4400S-HT Eccentric Shaft 6° — Gallon