When precise mixing and gentle drying are both critical to your process, Nauta dryers offer a unique solution. With more than 47 years of experience, IPP has earned its reputation as the world’s largest supplier of used process equipment. Our inventory spans 20 complete plant sites and includes over 15,000 pieces of process equipment, including high-quality used Nauta dryers — all available for immediate shipment.
Nauta dryers are a specialized type of conical screw vacuum dryer, ideal for low-temperature drying of heat-sensitive or shear-sensitive materials. The rotating screw gently lifts materials from the base of the cone and transports them upward, while the conical shape ensures consistent mixing and drying across all product particles. Operating under vacuum further enhances drying efficiency while protecting delicate products from thermal degradation.
These versatile dryers are especially well-suited for:
Nauta dryers are built from materials designed to meet strict process requirements, including:
Learn more about conical screw vacuum drying technology in this Process Heating guide.
Search the IMS inventory or contact IPP’s process equipment specialists today to secure a Nauta dryer for your production line. With ready-to-ship inventory, you can cut lead times and control costs without compromising quality.
Read more: The market for second-hand process plant and equipment is thriving
Read more: IPP’s Vision for Sustainable Industrial Redevelopment
Type: Dryer-Nauta
Manufacturer: Andritz
Model: GHD3000S
Condition: Used
Material: Stainless Steel 316
Capacity: 2,998 L (792 gallons)
Vessel Pressure: 9 bar (130 psi)
Vessel Temperature: 54.4 °C (130 °F). Jacket Pressure: 3.4 bar (50 psi). Jacket Temperature: 54.4 °C (130 °F). Screw Heated: Yes. Screw Pressure: 3.4 bar (50 psi). Screw Temperature: 54.4 °C (130 °F). Dust Collection: Yes. Vacuum System: Yes.
Type: Dryer-Nauta
Manufacturer: JH Day
Model: FA-3.5 Mark II
Condition: Used
Material: Stainless Steel 304
Capacity: 100 L (26.4 gallons)
Vessel Pressure: -0.07 bar (-1 psi)
U stamped Jacket area: 12 square foot Dryer chamber 40" diameter x 42" cone 230/460V Pacemaker motor with UL label 1750 RPM input speed, 190 RPM output speed of screw Bolted flat top
Vessel Temperature: 176.7 °C (350 °F). Jacket Pressure: 8.6 bar (125 psi). Jacket Temperature: 178.3 °C (353 °F). Vessel Vacuum Rated: Yes.
Type: Dryer-Nauta
Manufacturer: Vrieco Nauta
Model: 20 VB-S
Condition: Unused
Material: Stainless Steel 316
Capacity: 2,000 L (528.3 gallons)
Vessel Pressure: 6 bar (87 psi)
Vessel Temperature: 100 °C (212 °F). Jacket Pressure: 3 bar (43.5 psi). Jacket Temperature: 100 °C (212 °F).
Type: Dryer-Nauta
Manufacturer: Summix Holland
Model: DF-300-VD3
Condition: Used
Material: Hastelloy - C276
Capacity: 3,000 L (792.5 gallons)
Vessel Pressure: 6.1 bar (88 psi)
Alloy C276 Vacuum Conical Screw Dryer coil jacket Shell rated 88FV 103" diameter x 117" length Welded dished top head Orbital and screw agitation
Vessel Temperature: 200 °C (392 °F). Jacket Pressure: 10.3 bar (150 psi). Jacket Temperature: 200 °C (392 °F). Dust Collection: Yes.