Can these blowers handle hazardous gases?

Yes. Optional MAX seals reduce fugitive emissions by up to 67%, making them suitable for landfill gas and toxic environments.

Are these blowers suitable for continuous operation?

Absolutely. They are designed for 24/7 operation with minimal maintenance and high reliability.

How are the blowers tested?

Each unit is tested in Bentleyville, USA, to ASME, ISO, and other international standards for performance, noise, and vibration.

Is customization available?

Yes. Robuschi offers engineered-to-order systems tailored to specific applications, including material coatings, lubrication types, and control systems.

Multistage Centrifugal Blowers

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.

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

FAQs

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