Process Control Applications
Explore real-world applications for flow, gas analysis and process monitoring - helping you solve challenges, improve performance and maintain reliable operation. Find solutions relevant to your processes.
Over 45 Years in Operation
1000's of UK Installations
Supporting 100's of UK Sites
Biological Desulphurisation for AD Plants
Gas-to-Grid Biomethane Upgrading using Oxygen Injection & Control
Biogas Analysis for AD Plants
Wastewater Aeration Air Flow Monitoring
Biogas Flow Measurement for AD Plants
Biogas Flare Gas Monitoring for AD Plants
Nitrogen Purge & Blanketing Monitoring
Analyser Sample Flow Monitoring Using Flow Switches
Chemical Injection Flow Monitoring Using Thermal Flow Switches
Flare Gas Metering Using Thermal Mass Flow Measurement
Fugitive Emissions Monitoring & Methane Leak Detection
Pump Protection Using Flow Monitoring and Flow Switches
VOC Monitoring for Biogas and Landfill Gas Applications
High Temperature Flow Switches & Flow Meters for Combustion Air
SIL Rated Oxygen Analysis for Biogas Upgrading
SIL & SIS Compliant Process Control Instrumentation
Understanding Reynolds Number in Flow Measurement
Combustion Air Flow Measurement
Hydrogen Mass Flow Measurement
Compressed Air Monitoring for Industrial Systems
On-Site Nitrogen Generation for Industrial Applications
Atmospheric Vent Gas Monitoring
Analyser Shelter Air Flow Monitoring
Need information or advice?
Speak with our friendly, expert team to discuss your requirements and find out how we can help you.
Full Service UK Solutions
Allison Engineering supports all types of projects across multiple industries from early-stage selection through to supply, commissioning and long-term support. For customers, that means not just choosing a product, but getting the right solution for your application.
Specifications & Planning
Application review, technical consultation, product selection and system planning based on type, process conditions and installation requirements.

Supply & Commissioning
Product supply, installation guidance, commissioning and full support services to get your solutions working correctly in the field.
Support & Optimisation
Teams providing calibrations, servicing, maintenance, training and ongoing support to keep systems performing accurately and reliably over time.

Why Trust Allison Engineering
We are committed to delivering the highest standards across the specialist areas we support, combining proven products with practical engineering knowledge and dependable service.
Need Support with your Process Control Application?
Allison Engineering can help you identify the right solution for accurate, reliable and compliant applications.






















































