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Full Catalog

Multistage centrifugal blowers are engineered for continuous, high-volume air and gas movement across industrial and municipal applications. Robuschi’s Robox Multistage range delivers performance up to 1,800 mbar(g) and 70,000 m³/h, combining robust design, low maintenance, and quiet operation. This asset page outlines the key features, applications, and specifications of the Robuschi multistage centrifugal blower portfolio.

Get detailed specifications, performance curves, and model comparisons in the full catalog.

Multistage Centrifugal Blowers

Why Multistage Centrifugal Blowers?

Customers often face challenges with energy efficiency, noise, and maintenance in low-pressure systems. Robuschi’s multistage centrifugal blowers address these by offering:

  • High efficiency through patented Multiple Baffle Rings (MBR™) and shrouded impellers
  • Low noise emissions and vibration levels
  • Minimal maintenance with non-contact labyrinth seals and optional MAX dry seals
  • Compact footprint and flexible installation options
  • Wide performance range for tailored solutions across industries

Applications

Robuschi blowers serve a broad spectrum of industries:

Water & Wastewater Treatment

  • Aeration systems
  • Digester gas boosters
  • Filter backwashing
  • Sludge digestion
  • Grit chambers

 

Industrial Processing

  • Combustion air and gas boosting
  • Coal gasification
  • Vapour recompression
  • Printing operations
  • Sulphur recovery
  • Fluidized bed combustion

 

Engineered Vacuum Systems

  • Pneumatic conveying
  • Dust and flux recovery
  • Clean rooms
  • Food and pharma quality control
  • OSHA-compliant source capture

Key Features

  • Multiple Drive Options: Direct, belt, gearbox, or transmission; electric motors standard
  • Advanced Monitoring: Real-time diagnostics for motor current, temperature, vibration, oil level
  • Flexible Sealing: Labyrinth, carbon ring, and MAX seals for hazardous or sensitive applications
  • Durable Construction: Cast iron/aluminium housings, steel tie rods, precision couplings
  • Custom Engineering: Engineered-to-order systems with VFDs, accessories, and global support

Performance Overview

Robuschi offers over 22 standard models across three inlet size categories:

 

Inlet Size

Flow Range (m³/h)

Pressure Range (bar)

Max Stages

Small (65–150 mm)

85–4,100

up to 1.05

up to 11

Medium (200–300 mm)

935–15,300

up to 1.43

up to 11

Large (350–750 mm)

2,100–68,000

up to 1.7

up to 8

900 Series (Optimized for 50Hz)

5,232–70,238

up to 1.8

up to 9

 

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Robuschi integrates turbo-inspired design with multistage centrifugal architecture, offering high efficiency and low noise in a compact footprint.

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