PM Industries and Process Equipment Pvt. Ltd.

Nauta Mixer (Conical Screw Mixer)

Precision Gentle Mixing for Delicate Powders

Nauta Mixer (Conical Screw Mixer) Overview

The Nauta Mixer is a high-precision batch mixer ideal for blending dry powders, granules, slurries, or pastes, especially when particle integrity or thermal stability is critical. Its dual rotary screw system creates a unique 3D flow pattern, resulting in uniform blending with minimal energy consumption and no material degradation.

History & Importance

The Nauta Mixer, originally developed in the 1940s by Dutch firm Nauta-Mixtures (now part of Hosokawa Micron), was invented to address challenges in mixing fragile, heat-sensitive, or dissimilar powders and pastes. Over time, its iconic conical screw mechanism became a global standard in industries requiring gentle, homogeneous blending — such as pharmaceuticals, chemicals, and food processing.

Today, PM Industries and Process Equipment Pvt. Ltd. continues this legacy by designing and manufacturing modern, customizable Nauta Mixers with advanced automation, hygienic design, and energy efficiency.

Working Principle

  • A vertical screw agitator rotates on its axis.
  • Simultaneously, it is carried by an orbital arm around the inner wall of the conical vessel.
  • This motion lifts material from the bottom to the top, while gravity aids radial flow downward.
  • The result is a gentle, thorough, and energy-efficient mix with no dead zones.

Key Features

Feature

Description

Conical Mixing Vessel

Ensures complete discharge and minimal material retention.

Orbital Screw Agitator

Promotes both axial and radial mixing for uniformity.

Gentle Mixing

No shear damage to fragile particles.

Energy-Efficient

Uses less power compared to high-speed mixers.

Hygienic Design

Mirror-polished, CIP-compatible, and GMP-ready.

Versatile Configurations

Jacketed, vacuum-rated, or explosion-proof versions available.

Custom Material Options

SS304, SS316, Hastelloy for chemical resistance and food safety.

Pressure/Vacuum Capability

Enables drying, degassing, or vacuum mixing.

Applications

Industries Served

  • Pharmaceuticals
  • Food & Nutraceuticals
  • Chemicals & Petrochemicals
  • Agrochemicals
  • Ceramics & Minerals
  • Cosmetics & Personal Care

Material Examples

  • API powders & excipients
  • Protein blends & nutritional premixes
  • Pigments, dyes, and toner powders
  • Detergents & washing powders
  • Plastic resins, pellets, and masterbatches
  • Ceramic oxides, refractory mixes
  • Instant food/beverage mixes

Technical Specifications

Parameter

Specification Range

Working Volume

50 – 10,000 Liters

Mixing Accuracy (CV)

≤ 5% for free-flowing solids

Power Consumption

1.5 kW – 75 kW

Drive System

Gearmotor with frequency control (VFD)

Vessel Material

SS 304 / SS 316 / Hastelloy (optional)

Sealing System

Lip seals / Mechanical seals

Surface Finish

Mirror, matte, or electro-polished

Optional Add-ons

Load cells, jackets, spray nozzles, vacuum system

Advantages

Benefit

Impact

High Mixing Homogeneity

Even with different particle sizes or densities

Scalable Designs

Lab, pilot, and full-scale production units available

Low Heat Generation

Ideal for thermally unstable or heat-sensitive substances

Easy Cleaning & Full Discharge

Conical design ensures no residue or contamination

Gentle Operation

Maintains particle size and shape integrity

Optional Drying & Degassing

Vacuum models double as batch dryers

Variants Available

Model

Use Case

Vacuum Nauta Mixer

For powder drying under vacuum

Jacketed Nauta Mixer

For thermal processes (hot/cold mixing)

R&D / Lab-Scale Mixer

For trials, R&D, and formulation development

ATEX / Flameproof Mixer

For explosive or volatile material handling

Why PM Industries and Process Equipment Pvt. Ltd.?

Area

Our Advantage

Engineering & Customization

In-house design tailored to your materials, throughput, and layout needs

GMP & FDA Compliance

Cleanroom-ready designs with CIP systems and hygienic finishes

Durability & Quality

Precision-built from corrosion-resistant steel; built to last in harsh conditions

Faster Delivery

Made in India — localized production means shorter lead times and service availability

Automation Ready

SCADA/PLC controls, load cells, batch tracking, and IoT options available

Trusted by Top Companies

Used by Dabur, Pidilite, Lupin, Adani Wilmar, and many more

Service & Support

Full lifecycle support — installation, validation, AMC, spare parts

Downloads

Product Brochure (PDF)
Technical Datasheet

Upgrade your mixing capabilities with PM Industries and Process Equipment Pvt. Ltd. precision-built Nauta Mixer.

Whether you're in pharma, food, or chemicals, our mixers offer maximum performance, minimal waste, and unmatched reliability.

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