OUR PRODUCT

Single-Stage Turbocompressors, engineered for performance

At Next Turbo Technologies, we design and manufacture single-stage integrally geared centrifugal compressors built around a unique technology that maximizes efficiency, reliability, flexibility and longevity. Every machine reflects decades of engineering experience and continuous innovation aimed at delivering the best performance with the lowest energy consumption. Discover what makes our technology unique

Find Your Ideal Compressor

Position yourself on the performance curve to discover which Next Turbo model best fits your flow and pressure requirements.

GTB-T-XZ

GT – Geared Turbo Compressor

B – Indicates if the compressor is equipped with hybrid ceramic bearings ‘B’ or hydrodynamic bearings ‘H’

T20 – Describes the frame size Turbo 20 (10,20,30,40,50,60)

XZ – The final naming code ‘XZ’ (X, Y, XY, XZ) describes the compressor regulation control, here Diffuser with low frequency VFD

The Innovative GTB Series

Integrated, Compact, and Highly Efficient

The GTB series combines an exceptionally compact design with advanced engineering solutions that minimize energy losses and maintenance requirements. Each unit features a reduced lubrication oil reservoir integrated directly into the gearbox, along with built-in oil distribution and hydrodynamic-housed hybrid ceramic bearings.

Thanks to the use of the high speed hybrid ceramic bearings with low friction we reduce the total oil volume required during operation, the GTB series achieves outstanding energy efficiency and simplified maintenance. The range is currently available for machines up to 500 kW drive power.

The compressor core can be supplied in different configurations to match installation requirements:

  • Baseframe configuration with foot-mounted electric motor
  • Compact console configuration with flange-mounted motor and self-aligning flexible coupling
SerieGTH
Serie GTB

The Traditional GTH Series

Hydrodynamic Bearings for Large Airflows

The GTH series is designed for high-capacity applications where large airflows and pressure are required. Each compressor is equipped with hydrodynamic tilting pad bearings, ensuring optimal stability, durability, and smooth operation at every loads.

With power ratings up to 5,000 kW, the GTH range represents the ideal solution for demanding industrial processes that require continuous performance and reliability.

Due to its larger oil reservoir integrated in the base and the use of a pre-lubrication pump, the GTH series is available exclusively in the baseframe configuration.

Options & Customization

At Next Turbo Technologies, we believe the compressor should adapt to the user — not the other way around.
That’s why we have developed a product platform offering a wide range of configurations, accessories, and custom features that can be tailored to your exact process and preferences. Whether you need enhanced monitoring, specific coatings, or special acoustic or filtration setups, each compressor can be configured to meet your technical and operational requirements.

Some of the options include:

Mechanical & Installation Options

  • Baseframe, Compact Console, Modular Enclosure, or Containerized Configuration
  • Special coatings and marine-grade paint systems for corrosive or coastal environments
  • Acoustic and filtration packages, including silencers and multi-stage filters
  • Reverse rotating monitor to ensure safe start-up
  • Oil level switch and integrated lubrication adaptations

Monitoring & Control Options

  • Bearing temperature sensors
  • Vibration monitoring system
  • Motor winding and bearing temperature sensors
  • Motor space heater for humidity protection
  • Remote monitoring and data logging
  • Advanced PLC & HMI software customized for your process
  • Variable Frequency Drive (VFD) integration for dynamic control
  • Inlet Guide Vanes (IGV) and Variable Diffuser Vanes (VDV) for efficient flow regulation

Testing, Verification & Service Options

  • Performance Test (ISO 5389-ptc10-ptc13)
  • Performance Verification
  • Overspeed Test
  • Dye Penetrant Test
  • Hydrodynamic Test
  • Commissioning on Site
  • Training of Staff
  • Recommended Wear and Spare Parts Packages

Enclosure options

Compact, Modular, and Containerized — Designed Around Your Installation

Every installation is different. That’s why Next Turbo compressors can be supplied with a choice of enclosure systems, each designed to simplify installation, reduce on-site work, and ensure optimal acoustic and environmental performance.

Compact Plug & Play Enclosure

Pre-cabled, pre-tested, and ready to operate

The GTB series, thanks to its compact design, can be supplied as a fully enclosed Plug & Play package.
Each unit is pre-cabled, pre-tested, and equipped with all necessary auxiliary components including the blow-off valve, local control panel, and motor control center (MCC) with soft starter, direct start, or VFD starter.

The Plug & Play enclosure is supplied with a flanged B5 motor and allows the discharge volute to be positioned at any 90° angle, offering flexibility for connection to existing piping layouts.

This configuration drastically reduces installation and commissioning time, allowing for immediate integration into the blower room.

Compact Plug&Play Enclosure
Modular Enclosure package

Modular Enclosure Package

Customizable acoustic solution built around your compressor

Both GTB and GTH series can be equipped with a modular acoustic enclosure, assembled on-site around the compressor.
The structure consists of removable aluzinc panels and hinged doors with inspection windows, ensuring easy access for maintenance.
The modular design allows full customization based on blower room layout and process piping, including adjustable discharge orientation in 15° increments, both upward and downward.
A versatile solution for virtually any installation environment.

Outdoor solutions

Transportable and fully integrated

For projects requiring mobility or outdoor installation, compressors can be delivered in a containerized Plug & Play configuration.
All components including the compressor, motor, control system, and auxiliary equipment are pre-installed and factory-tested inside a standard shipping container.

The discharge volute can also be adjusted in 15° increments for easier integration with existing piping.
This ensures easy transport, rapid deployment, and minimal on-site assembly, making it Extremly versatile

Outdoor Solution
modular Installation
modular Installation

Typical Sample Installation

Modular enclousure GTB or GTH type

  1. GTB/GTH compressor core
  2. Common Baseframe (GTH=with oil tank)
  3. Elettrical main drive motor (LV/MV)
  4. Flexible Machine mounts
  5. Flexible compensator
  6. Silencer/Conical diffuser
  7. Blow-off valve with silencer
  8. Check-/non-return value
  9. Isolation valve
  10. Inlet filter compartement (G2+G4)
  11. Inlet silencer (labyrinth type)
  12. Modular acoustic enclosure
  13. Air:oil cooler (on top/inside/ or outside)
  14. Enclousure heat extraction fan
  15. Local Blower control panel (LCP)
  16. Master Control Panel (MCP or MCP-DO)

Typical Installation

Compact Plug & Play GTB series

  1. GTB compressor core
  2. Mounting console with self-aligning coupling
  3. Electrical main drive motor- flange mounted (LV)
  4. Flexible Machine mounts
  5. Flexible compensator
  6. Silencer/ Conical diffuser
  7. Integrated Blow-off valve, silenced by enclosure
  8. Check-/non-return valve
  9. Isolation valve
  10. Inlet filter compartment (G2+G4)
  11. Inlet silencer (labyrinth type)
  12. Modular acoustic enclosure
  13. Air:oil cooler (integrated)
  14. Enclosure heat extraction fan
  15. Local Blower control Panel ingegrated (LCP)
  16. Inegrated Motor control power center (e.g. softstarter)
  17. Master Control Panel (MCP or MCP-DO)

Blower configurations

Flexible baseframe configuration

  1. Blower input shaft (slow shaft)
  2. Bull gear
  3. Pinion shaft (fast shaft)
  4. Project specific Impeller – open radial type
  5. Variable Diffuser Vanes (VDV)
  6. Vibration monitoring
  7. Variable diffuser actuator with limit switches
  8. Inlet Guide Vane actuator with limit switches
  9. Inlet Guide Vanes (IGV)
  10. Volute casting (GJS-400, former GGG40)
  11. Gearbox casting (GJS-400, former GGG40)
  12. Mechanical oil pump, driven by slow shaft
  13. Common baseframe (GTH = including oil tank/ electrical oil pump)
  14. Flexible Machine mounts
  15. Flexible Coupling with coupling guard(
  16. Blower junction box (all instrumemt pre-wired)
  17. Electrical main drive motor (LV or MV) -foot mounted

Blower configurations

Compact console configuration

  1. Input shaft with slow shaft bearing
  2. Bull gear
  3. Pinion shaft with fast shaft bearing
  4. Open, back-leaning Impeller
  5. Variable Diffuser Vanes (VDV)
  6. Vibration sensor
  7. VDV Actuator & End-switches
  8. IGV Actuator & End-switches
  9. Inlet Guide Vanes (IGV)
  10. Volute Casing
  11. Lubrication oil reservoir
  12. Mechanical oil pump
  13. Mounting Console (flanged)
  14. Machine mounts
  15. B5 – flanged- electrical drive motor

Automation

Intelligent Automation Solutions

At Next Turbo Technologies, we design automation systems that go beyond compressor control, they enhance the entire application process.
Our automation portfolio covers everything from local compressor management to fully integrated process control, ensuring that every installation operates efficiently, reliably, and in perfect harmony with the biological or industrial process it serves.

 

Local Control Panel (LCP)

Each compressor is equipped with a Local Control Panel managing all operating sequences, protection logic, and efficiency control. Built with standard, non-proprietary industrial components, our LCPs are easily replaceable and compatible with any plant system, guaranteeing long-term maintainability.

For existing installations, we can upgrade or completely rebuild the hardware and software of old control panels, bringing legacy machines up to modern standards. These retrofitted systems not only improve operational efficiency and reliability but also make daily operation simpler and safer for plant personnel.

Main features:

  • Full compressor control, alarms, trips, and auxiliaries
  • Diffuser capacity control (flow control) and Inlet Guide Vane (IGV) for optimized efficiency
  • Seamless connection to Master Control System (MCS) or SCADA/DCS
  • Power supply between 380 and 690 VAC, 3-phase, 50/60 Hz

 

Master Control System (MCS)

Optimized management for multi-blower systems.

The Next Turbo Master Control System (MCS) manages the operation of multiple compressors, automatically distributing airflow on the main header to meet process demand while equalizing duty hours.
Installed in the blower or electrical room, the MCS communicates with the central SCADA or DCS system using all major industrial protocols, ensuring seamless integration and centralized monitoring of every unit.

Automation

Process Control Automation (DO / Ammonia Control)

Building upon the MCS platform, our Process Control Automation integrates Dissolved Oxygen (DO) or Ammonia-based control to manage aeration with unmatched precision.
By constantly analysing real-time data from process sensors, the system adjusts the aeration valves to maintain optimal biological conditions while minimizing energy use.

This control philosophy based on the Most Open Valve (MOV) principle keeps system pressure as low as possible, avoids “system hunting”, and ensures that aeration valves operate in their most efficient range.

Over the years, Next Turbo has developed deep expertise in process control for wastewater treatment.
We work closely with engineering companies and system integrators worldwide to deliver custom automation solutions that optimize biological processes, improve energy efficiency, and guarantee process stability.

 

Remote Connectivity

Next Turbo’s remote monitoring system provides secure, real-time access to your compressors via a 3G/4G connection, enabling remote diagnostics, commissioning, and performance optimization.

Through our customer data portal, operational data is continuously collected, analysed, and presented to support condition-based maintenance, performance tracking, and troubleshooting — helping prevent downtime and optimize total lifecycle cost.

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