Customizable Centrifugal Turbo Compressors proven over 100 years and 4000 installations

Howden offers a comprehensive range of Industrial Centrifugal Turbo Compressors up to 600,000 m3/h, with the flexibility to address the specific requirements for your application. Our standardized units with modular design ensure low life cycle and investment cost and short delivery times. Metallurgical, chemical and petrochemical plants are the most common applications for our solutions.

Benefits of Centrifugal Compressors

  • Highest aerodynamic efficiency based on a wide range of proven impeller designs (including backward curved or radial tip with 3D blades) to maximise performance relative to cost
  • Widest performance envelope on the market to meet every duty required
  • Flexible flow control options via variable inlet guide vanes, variable diffusor guide vanes, speed control or combinations to optimise performance and running costs
  • Excellent wear resistance over the complete impeller for long-life service without unexpected downtime
  • Standardized components and maintenance friendly design to ensure minimised lifetime costs
  • Installation in hazardous area possible to meet required operating and safety standards
  • OEM packages with Howden steam turbine available to enable simplified plug-in solutions
  • Minimal cooling water requirements, lowering costs and improving sustainable operation
  • Modular design principle for quicker project delivery and ease of installation
 

Howden's Range of Industrial Compressors

Find out more about our range, manufacturing and digital controls in our turbo compressor range video.

SF Series

The SF series is a range of single-stage centrifugal turbo compressors with an overhung, semi-open impeller (3D design), supported by a separate bearing pedestal, direct driven or provided with a separate gearbox. With this design, featuring highest rigidity and optimised rotordynamic behaviour, the SF series serves the most demanding duties in its industries - like compression of corrosive, erosive and sticky gases and suitable for installation in harsh environments.

Gas flows up to 600,000 m³/h can be handled. It sets the benchmark for safety and reliability, at lowest lifecycle costs, in favour of their owners.

The SF series is optionally available in a design compliant to API Standard 617, Part 1 & 2.

Technical Features and Data

  • Flow rates from 3,000 up to 600,000 m³/h
  • Pressure ratio up to 3.5
  • Impeller diameter up to 2240 mm
  • Driver of your choice
Applications
  • Sulphuric Acid Plants (Metallurgical and Chemical / Fertilizer)
  • Spent Acid Regeneration Industrial Evaporation Processes
  • Zero Liquid Discharge
  • Steam Assisted Gravity Drainage
  • Process Gas & Chemical Plants (PA, MA, MMA, EO/EG, Acrylic Acid, Oxo-Alcohol, PE, Ammonia, CTL/CTG etc.)
Formerly known as:
  • STC-SO (SFO / SFP / SFN) or STC-SO (FO / FP / FN) - under Siemens
  • SFO / SFP / SFN - under Kühnle, Kopp & Kausch

SF Series

SFG series

The SFG series is a range of integrally geared single-stage centrifugal turbo compressors. The semi-open impeller (3D design) is overhung mounted directly onto the high-speed shaft of the gearbox. Due to this design and the resulting minimum mechanical losses, the SFG series offers a very high efficiency and is the preferred solution for demanding duties in clean process gas or air service applications, even in harsh environments.
Gas flows up to 250,000 m³/h can be handled. It provides state-of-the-art safety and reliability at lowest lifecycle costs to their owners

The SFG series is optionally available in a design compliant to API Standard 672 or API Standard 617, Part 1 & 3.

Technical Features and Data

  • Flow rates from 3,000 up to 250,000 m³/h
  • Impeller diameter up to 1120 mm
  • Pressure ratio up to 3.5
  • Driver: Electric motor or steam turbine
Applications
  • Air Service
  • Copper Converter Blower
  • Industrial Evaporation Processes
  • Zero Liquid Discharge
  • Steam Assisted Gravity Drainage
  • Process Gas & Chemical Plants (PA, MA, MMA, EO/EG, Acrylic Acid, Oxo-Alcohol, PE, Ammonia, CTL/CTG etc.)
Formerly known as:
  • STC-GO (SFOG / SFNG / SFPG) or STC-GO (FO / FN / FP) - under Siemens
  • SFOG / SFNG / SFPG - under Kühnle, Kopp & Kausch

SFG series

SL Series

The SL series is a range of single-stage centrifugal turbo compressors with a semi-open impeller (3D design) mounted between the bearings. The SL series is designed to meet the most demanding duties in coke oven gas applications, especially to handle rotor unbalances caused by the sticky cokery gases. Its design features, such as the gas inlet and outlet facing downwards, the self-cleaning, semi-open impeller and the rotor turn drive, enable this compressor to handle the built-up of tar from the coke oven gas. Consequently, the SL series serves the most demanding duties in cokeries all over the world and provides top class safety and reliability at low lifecycle costs to their owners.

Gas flows up to 250,000 m³/h can be handled.

Technical Features and Data

  • Flow rates from 15,000 up to 250,000 m³/h
  • Pressure ratio up to 1.45 (coke gas service)
  • Impeller diameter up to 1,800 mm
  • Driver of your choice
Formerly known as:
  • STC-SO (SL or SLO) or STC-SO (L or LO) - under Siemens
  • SL or SLO - under Kühnle, Kopp & Kausch
SL Series

 

ST Series

The ST series is a range of integral single-stage centrifugal turbo compressor / steam turbine-units with single shaft design. Its compact design features a semi-open overhung impeller (3D design) and turbine wheel, supported on a single rotor stand, without coupling or gearbox. This ensures very low steam consumption, low maintenance requirements and smallest footprint size, while operating in harsh environments. The ST series serves demanding duties in its industries - like compression of corrosive, erosive and sticky gases or process gas or air service applications.

Gas flows up to 200,000 m³/h can be handled. The machine provides state-of-the-art safety and reliability at lowest lifecycle costs to their owners, along with minimised initial capital expenditure.

It is optionally available in a design compliant to API Standard 617 engineering practices and testing requirements.

Technical Features and Data

  • Flow rates from 3,000 up to 200,000 m³/h
  • Pressure ratio up to 3.5
  • Impeller diameter up to 900 mm
  • Driver: Integrated Howden/Kühnle, Kopp & Kausch (KK&K) steam turbine
Applications
  • Sulphuric Acid Plants (Metallurgical and Chemical / Fertilizer)
  • Spent Acid Regeneration
  • Air Service
  • Steam Assisted Gravity Drainage
  • Process Gas & Chemical Plants (PA, MA, MMA, EO/EG, Acrylic Acid, Oxo-Alcohol etc.)
Formerly known as:
  • STC-STO - under Siemens
  • ECM - under Kühnle, Kopp & Kausch
ST Series

 

SF Process Gas

The SF series is a range of single-stage centrifugal turbo compressors with an overhung, semi-open impeller (3D design), supported by a separate bearing pedestal, direct driven or provided with a separate gearbox.

Versions of the SF series for process gas applications are specifically designed for high-pressure to up to 50 bar (g) and gas flows up to 200,000 m³/h. These models are typically provided with dry gas seals in double or tandem arrangement including a sealing gas panel.

Technical Features and Data

  • Design as per API Standard 617, Part 1 & 2
  • Materials for impeller and compressor housing according to project requirements
  • Dry Gas Seal (DGS) double or tandem arrangement
  • Sealing gas panel as per project specifications
  • Local Control Panel (LCP) according to project specifications
  • Flow rates from 3,000 up to 200,000 m³/h
  • Design pressure up to 50 bar (g)
  • Temperatures from -150 up to 500 °C
  • Impeller diameter up to 900 mm
  • Pressure ratio up to 3.0

SF Process Gas

SFG Process Gas

The SFG series is a range of integrally geared single-stage centrifugal turbo compressors. The semi-open impeller (3D design) is overhung mounted directly onto the high-speed shaft of the gearbox.

Versions of the SFG series for process gas applications are specifically designed for high-pressure to up to 50 bar (g) and gas flows up to 200,000 m³/h. These models are typically provided with dry gas seals in double or tandem arrangement including a sealing gas panel.

Technical Features and Data

  • Design as per API Standard 617, Part 1 & 3
  • Materials for impeller and compressor housing according to project requirements
  • Dry Gas Seal (DGS) double or tandem arrangement
  • Sealing gas panel as per project specifications
  • Local Control Panel (LCP) according to project specifications
  • Flow rates from 3,000 up to 200,000 m³/h
  • Design pressure up to 50 bar (g)
  • Temperatures from -150 up to 500 °C
  • Impeller diameter up to 900 mm
  • Pressure ratio up to 3.0

SFG Process Gas

SFG Multistage Back-to-Back

The SFG series is a range of integrally geared single-stage centrifugal turbo compressors. The semi-open impeller (3D design) is overhung mounted directly onto the high-speed shaft of the gearbox. Due to this design and the resulting minimum mechanical losses, the SFG series offers a very high efficiency and is the preferred solution for demanding duties in clean process gas, MVR or air applications, even in harsh environments. Gas flows up to 200,000 m³/h can be handled. It provides state-of-the-art safety and reliability at lowest lifecycle costs to their owners.

The Back-to-Back arrangement provides a highly efficient solution for process gas applications when balancing of high gas forces between the stages is required.

The SFG series is optionally available in a design compliant to API Standard 672 or API Standard 617, Part 1 & 3.

For design pressures up to 50 bar (g), the SFG series is also available in a high-pressure design to serve process gas applications, for which dry gas seals (in double or tandem arrangement) are typically used.

Technical Features and Data

  • Design as per API Standard 617, Part 1 & 3
  • Materials for impeller and compressor housing according to project requirements
  • Dry Gas Seal (DGS) double or tandem arrangement
  • Sealing gas panel as per project specifications
  • Flow rates from 3,000 up to 200,000 m³/h
  • Pressure ratio up to 6.0
  • Design pressure up to 50 bar (g)
  • Temperatures from -150 up to 500 °C
  • Impeller diameter up to 900 mm
  • Driver: Electric motor or steam turbine

Applications

  • Industrial Evaporation Processes
  • Process Gas & Chemical Plants (PA, MA, MMA, EO/EG, Acrylic Acid, Oxo-Alcohol, PE, Ammonia, CTL/CTG etc.)
SFG Multistage Back-to-Back

 

SFG Multistage Twin

The SFG series is a range of integrally geared single-stage centrifugal turbo compressors. The semi-open impeller (3D design) is overhung mounted directly onto the high-speed shaft of the gearbox. Due to this design and the resulting minimum mechanical losses, the SFG series offers a very high efficiency and is the preferred solution for demanding duties in clean process gas, MVR or air service applications, even in harsh environments. Gas flows up to 200,000 m³/h can be handled. It provides state-of-the-art safety and reliability at lowest lifecycle costs to their owners.

The Twin arrangement provides a highly efficient solution for MVR or air applications.

The SFG series is optionally available in a design compliant to API Standard 672 or API Standard 617, Part 1 & 3.

For design pressures up to 50 bar (g), the SFG series is also available in a high-pressure design to serve process gas applications, for which dry gas seals (in double or tandem arrangement) are typically used.

Technical Features and Data

  • Flow rates from 3,000 up to 200,000 m³/h
  • Pressure ratio up to 6.0
  • Impeller diameter up to 900 mm
  • Driver: Electric motor or steam turbine
  • Design as per API Standard 672 or 617, Part 1 & 3
  • Materials for impeller and compressor housing according to project requirements

Applications

  • Industrial Evaporation Processes
  • Air Service
  • Converter Air Blower
  • Blast Furnace
  • Direct Reduced Iron (DRI)
  • Zero Liquid Discharge
  • Steam Assisted Gravity Drainage
  • Carbon Capture & Storage
SFG Multistage Twin

 

SF Series

The SF series is a range of single-stage centrifugal turbo compressors with an overhung, semi-open impeller (3D design), supported by a separate bearing pedestal, direct driven or provided with a separate gearbox. With this design, featuring highest rigidity and optimised rotordynamic behaviour, the SF series serves the most demanding duties in its industries - like compression of corrosive, erosive and sticky gases and suitable for installation in harsh environments.

Gas flows up to 600,000 m³/h can be handled. It sets the benchmark for safety and reliability, at lowest lifecycle costs, in favour of their owners.

For design pressures up to 50 bar (g) and gas flows up to 200,000 m³/h, the SF series is also available in a high-pressure design to serve process gas applications and is typically provided with dry gas seals in double or tandem arrangement including a sealing gas panel.

The SF series is optionally available in a design compliant to API Standard 617, Part 1 & 2.

Technical Features and Data

  • Flow rates from 3,000 up to 600,000 m³/h
  • Pressure ratio up to 3.5
  • Impeller diameter up to 2240 mm
  • Driver of your choice
Applications
  • Sulphuric Acid Plants (Metallurgical and Chemical / Fertilizer)
  • Spent Acid Regeneration Industrial Evaporation Processes
  • Zero Liquid Discharge
  • Steam Assisted Gravity Drainage
  • Process Gas & Chemical Plants (PA, MA, MMA, EO/EG, Acrylic Acid, Oxo-Alcohol, PE, Ammonia, CTL/CTG etc.)
Formerly known as:
  • STC-SO (SFO / SFP / SFN) or STC-SO (FO / FP / FN) - under Siemens
  • SFO / SFP / SFN - under Kühnle, Kopp & Kausch

SF Series

SFG series

The SFG series is a range of integrally geared single-stage centrifugal turbo compressors. The semi-open impeller (3D design) is overhung mounted directly onto the high-speed shaft of the gearbox. Due to this design and the resulting minimum mechanical losses, the SFG series offers a very high efficiency and is the preferred solution for demanding duties in clean process gas or air service applications, even in harsh environments.

Gas flows up to 250,000 m³/h can be handled. It provides state-of-the-art safety and reliability at lowest lifecycle costs to their owners.

The SFG series is optionally available in a design compliant to API Standard 672 or API Standard 617, Part 1 & 3.

Technical Features and Data

  • Flow rates from 3,000 up to 250,000 m³/h
  • Impeller diameter up to 1120 mm
  • Pressure ratio up to 3.5
  • Driver: Electric motor or steam turbine
Applications
  • Air Service
  • Copper Converter Blower
  • Industrial Evaporation Processes
  • Zero Liquid Discharge
  • Steam Assisted Gravity Drainage
  • Process Gas & Chemical Plants (PA, MA, MMA, EO/EG, Acrylic Acid, Oxo-Alcohol, PE, Ammonia, CTL/CTG etc.)
Formerly known as:
  • STC-GO (SFOG / SFNG / SFPG) or STC-GO (FO / FN / FP) - under Siemens
  • SFOG / SFNG / SFPG - under Kühnle, Kopp & Kausch

SFG series

SL Series

The SL series is a range of single-stage centrifugal turbo compressors with a semi-open impeller (3D design) mounted between the bearings. The SL series is designed to meet the most demanding duties in coke oven gas applications, especially to handle rotor unbalances caused by the sticky cokery gases. Its design features, such as the gas inlet and outlet facing downwards, the self-cleaning, semi-open impeller and the rotor turn drive, enable this compressor to handle the built-up of tar from the coke oven gas. Consequently, the SL series serves the most demanding duties in cokeries all over the world and provides top class safety and reliability at low lifecycle costs to their owners.

Gas flows up to 250,000 m³/h can be handled.

Technical Features and Data

  • Flow rates from 15,000 up to 250,000 m³/h
  • Pressure ratio up to 1.45 (coke gas service)
  • Impeller diameter up to 1,800 mm
  • Driver of your choice
Formerly known as:
  • STC-SO (SL or SLO) or STC-SO (L or LO) - under Siemens
  • SL or SLO - under Kühnle, Kopp & Kausch
SL Series

 

ST Series

The ST series is a range of integral single-stage centrifugal turbo compressor / steam turbine-units with single shaft design. Its compact design features a semi-open overhung impeller (3D design) and turbine wheel, supported on a single rotor stand, without coupling or gearbox. This ensures very low steam consumption, low maintenance requirements and smallest footprint size, while operating in harsh environments. The ST series serves demanding duties in its industries - like compression of corrosive, erosive and sticky gases or process gas or air service applications.

Gas flows up to 200,000 m³/h can be handled. The machine provides state-of-the-art safety and reliability at lowest lifecycle costs to their owners, along with minimised initial capital expenditure.

It is optionally available in a design compliant to API Standard 617 engineering practices and testing requirements.

Technical Features and Data

  • Flow rates from 3,000 up to 200,000 m³/h
  • Pressure ratio up to 3.5
  • Impeller diameter up to 900 mm
  • Driver: Integrated Howden/Kühnle, Kopp & Kausch (KK&K) steam turbine
Applications
  • Sulphuric Acid Plants (Metallurgical and Chemical / Fertilizer)
  • Spent Acid Regeneration
  • Air Service
  • Steam Assisted Gravity Drainage
  • Process Gas & Chemical Plants (PA, MA, MMA, EO/EG, Acrylic Acid, Oxo-Alcohol etc.)
Formerly known as:
  • STC-STO - under Siemens
  • ECM - under Kühnle, Kopp & Kausch
ST Series

 

SF Process Gas

The SF series is a range of single-stage centrifugal turbo compressors with an overhung, semi-open impeller (3D design), supported by a separate bearing pedestal, direct driven or provided with a separate gearbox.

Versions of the SF series for process gas applications are specifically designed for high-pressure to up to 50 bar (g) and gas flows up to 200,000 m³/h. These models are typically provided with dry gas seals in double or tandem arrangement including a sealing gas panel.

Technical Features and Data

  • Design as per API Standard 617, Part 1 & 2
  • Materials for impeller and compressor housing according to project requirements
  • Dry Gas Seal (DGS) double or tandem arrangement
  • Sealing gas panel as per project specifications
  • Local Control Panel (LCP) according to project specifications
  • Flow rates from 3,000 up to 200,000 m³/h
  • Design pressure up to 50 bar (g)
  • Temperatures from -150 up to 500 °C
  • Impeller diameter up to 900 mm
  • Pressure ratio up to 3.0

SF Process Gas

SFG Process Gas

The SFG series is a range of integrally geared single-stage centrifugal turbo compressors. The semi-open impeller (3D design) is overhung mounted directly onto the high-speed shaft of the gearbox.

Versions of the SFG series for process gas applications are specifically designed for high-pressure to up to 50 bar (g) and gas flows up to 200,000 m³/h. These models are typically provided with dry gas seals in double or tandem arrangement including a sealing gas panel.

Technical Features and Data

  • Design as per API Standard 617, Part 1 & 3
  • Materials for impeller and compressor housing according to project requirements
  • Dry Gas Seal (DGS) double or tandem arrangement
  • Sealing gas panel as per project specifications
  • Local Control Panel (LCP) according to project specifications
  • Flow rates from 3,000 up to 200,000 m³/h
  • Design pressure up to 50 bar (g)
  • Temperatures from -150 up to 500 °C
  • Impeller diameter up to 900 mm
  • Pressure ratio up to 3.0

SFG Process Gas

SFG Multistage Back-to-Back

The SFG series is a range of integrally geared single-stage centrifugal turbo compressors. The semi-open impeller (3D design) is overhung mounted directly onto the high-speed shaft of the gearbox. Due to this design and the resulting minimum mechanical losses, the SFG series offers a very high efficiency and is the preferred solution for demanding duties in clean process gas, MVR or air applications, even in harsh environments. Gas flows up to 200,000 m³/h can be handled. It provides state-of-the-art safety and reliability at lowest lifecycle costs to their owners.

The Back-to-Back arrangement provides a highly efficient solution for process gas applications when balancing of high gas forces between the stages is required.

The SFG series is optionally available in a design compliant to API Standard 672 or API Standard 617, Part 1 & 3.

For design pressures up to 50 bar (g), the SFG series is also available in a high-pressure design to serve process gas applications, for which dry gas seals (in double or tandem arrangement) are typically used.

Technical Features and Data

  • Design as per API Standard 617, Part 1 & 3
  • Materials for impeller and compressor housing according to project requirements
  • Dry Gas Seal (DGS) double or tandem arrangement
  • Sealing gas panel as per project specifications
  • Flow rates from 3,000 up to 200,000 m³/h
  • Pressure ratio up to 6.0
  • Design pressure up to 50 bar (g)
  • Temperatures from -150 up to 500 °C
  • Impeller diameter up to 900 mm
  • Driver: Electric motor or steam turbine

Applications

  • Industrial Evaporation Processes
  • Process Gas & Chemical Plants (PA, MA, MMA, EO/EG, Acrylic Acid, Oxo-Alcohol, PE, Ammonia, CTL/CTG etc.)
SFG Multistage Back-to-Back

 

SFG Multistage Twin

The SFG series is a range of integrally geared single-stage centrifugal turbo compressors. The semi-open impeller (3D design) is overhung mounted directly onto the high-speed shaft of the gearbox. Due to this design and the resulting minimum mechanical losses, the SFG series offers a very high efficiency and is the preferred solution for demanding duties in clean process gas, MVR or air service applications, even in harsh environments. Gas flows up to 200,000 m³/h can be handled. It provides state-of-the-art safety and reliability at lowest lifecycle costs to their owners.

The Twin arrangement provides a highly efficient solution for MVR or air applications.

The SFG series is optionally available in a design compliant to API Standard 672 or API Standard 617, Part 1 & 3.

For design pressures up to 50 bar (g), the SFG series is also available in a high-pressure design to serve process gas applications, for which dry gas seals (in double or tandem arrangement) are typically used.

Technical Features and Data

  • Flow rates from 3,000 up to 200,000 m³/h
  • Pressure ratio up to 6.0
  • Impeller diameter up to 900 mm
  • Driver: Electric motor or steam turbine
  • Design as per API Standard 672 or 617, Part 1 & 3
  • Materials for impeller and compressor housing according to project requirements

Applications

  • Industrial Evaporation Processes
  • Air Service
  • Converter Air Blower
  • Blast Furnace
  • Direct Reduced Iron (DRI)
  • Zero Liquid Discharge
  • Steam Assisted Gravity Drainage
  • Carbon Capture & Storage
SFG Multistage Twin

 

 
 

Process Gas

Find out how our range can fulfil the needs of process gas users in multiple industries and applications.

Chemical Production

The chemical and petrochemical industries require the highest availability and most reliable performance of rotating equipment without compromises regarding safety. Our compressors are proven across multiple applications.

Coke Oven Gas

Our compressors are renowned for their ability to handle harsh gases. Find out more about our experience with coke oven gas compression.

Sulphuric Acid

Our compressors play a critical role in sulphuric acid plants, proven across a large installed base. Find out more about our experience.

Manufacturing Excellence

Take a walk through our state-of-the-art manufacturing facility in Frankenthal, Germany.

Competence Centre

Learn more about our centre in Frankenthal, Germany, where we design and manufacture our steam turbines and industrial compression equipment.

 

Technical Library

View and download sales literature, technical manuals and more.

Compressors for Coke Oven Gas Brochure

Compressors for Process Gas Brochure

Compressors for Sulphuric Acid Brochure

Frankenthal Competence Center Brochure

Industrial Compressors Range Brochure

Connect With Us

To raise an enquiry or contact us about this product, please use the details provided or click the Contact Us button and follow the instructions. 

Head Office  +49 6233 85 2532

industrial-compression@howden.com