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"The Pressure Systems Safety Regulations 2000"

What is a PSSR inspection?

PSSR inspections are a type of inspection that are carried out to make sure that pressure systems and equipment are safe for use, it prevents significant injury from the hazard of stored energy as a result of the failure of a pressure system or one of its components.

What equipment is covered by PSSR?

  • Pressure vessels that contain compressed gas over 250 bar/ litres capacity falls under PSSR regulations.

  • Hot water boilers operating at more than 100ºC fall.

  • Air conditioning plants & refrigeration with combined compressor motors exceeding 25kW.

  • Plants with steam at any pressure, regardless of size and complexity.

See below for more examples of equipment covered by PSSR regulations.

Who is responsible for PSSR inspections?

The duty holder is responsible for compliance under the PSSR regulations. In short, if you own a pressure system at work, or you are a supervisor, you are a 'duty holder' under PSSR.

If you require an inspection urgently, please contact us as soon as possible. 

About our PSSR inspections

If your pressure system or equipment fails in use it can seriously injure or kill people nearby and cause serious damage to the property. We offer Thorough Examinations and certification for all types of pressure systems, ensuring that your business remains compliant with The Pressure Systems Safety Regulations (PSSR) 2000.

Our team of experienced Engineering Surveyors are qualified & trained to carry out inspections in order to ensure the safety of those in the environment in which you operate.

We provide a dedicated Surveyor or team so that we can build great working relationships with our clients.


We know how busy day to day running of a business is. Mechanical Inspection Services contacts you before your due date, meaning you say compliant.

Unsure if your equipment needs PSSR certification?
Our technical team is here to help. Contact us now for help



  • Coffee Boilers
  • Air Receivers
  • Compressors
  • Pressure Vessels
  • Autoclaves
  • Heat Exchangers
  • Air Conditioning Plant
  • Pipework & Hoses
  • Pressure Cookers
  • Valves, Steam Traps & Filters
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