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A complete breathing apparatus servicing

At Fire Safe International, we service self-contained breathing apparatus (SCBA) as a system made up of interconnected components (cylinder, harness, mask and demand valve). Every component is tested to confirm the adequacy of the set as a whole, rather than treating the cylinder, harness, mask and demand valve as separate items. Each set is identified by the make, model and serial or asset number so that the correct manufacturer maintenance schedule, replacement criteria and test limits can be applied to that specific apparatus.

The inspection follows the route taken by the breathing air, from the cylinder connection through the pressure-reduction and delivery components to the face mask. It also checks the parts that keep the set secure, controllable and usable while worn:

Backplate, cylinder restraint and harness

We examine the structure that carries the set, including straps, buckles and adjustment points, for damage, wear and secure operation. These components must hold the cylinder firmly and allow the wearer to adjust the apparatus correctly.

Cylinder connection and pressure components

The connector, seals, pressure reducer, hoses and couplings are checked for deterioration, leakage, damage and secure engagement. These parts contain and control high-pressure air before it reaches the wearer.

Pressure indication and warning devices

The contents gauge or electronic monitoring unit is checked to assess whether it indicates the available air supply correctly under the test conditions. The low-pressure warning device is also tested to confirm that it activates at the prescribed point.

Lung-demand valve

We examine the valve that delivers air as the wearer inhales, together with its bypass control and positive-pressure function. Positive pressure and airflow are measured using calibrated test equipment to confirm the valve delivers air within the manufacturer's specified limits. The valve must respond correctly without sticking, leaking or supplying air unpredictably.

Face mask

If the mask forms part of the serviced set, we inspect the visor, seal, head harness, valves and apparatus connection. Gas-tight integrity, indicated by leak tightness, is also measured using a calibrated test instrument. Damage or distortion in these areas can affect visibility, fit and the controlled delivery of air into the mask.

Once the inspection and authorised maintenance are complete, the apparatus is reassembled and tested as a complete set. The functional tests assess whether the SCBA performs within the relevant manufacturer test limits before it is returned or further action is recommended.

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Who benefits from our service? 

Our tailored service is for all breathing-apparatus managers, equipment controllers and emergency-response leads responsible for SCBA used by fire and rescue services, industrial response teams, petrochemical and process sites, marine operators, defence organisations and specialist rescue teams. Servicing is particularly beneficial for sets maintained for firefighting, confined-space rescue or other operations requiring an independent air supply.

Why work with Fire Safe International?

Your SCBA programme does not stop at the apparatus. The condition of the cylinder, valve and breathing-air supply is integral to whether an SCBA set can return to service. Because we work across these connected elements, we can direct each fault into the correct maintenance route and coordinate the necessary work without leaving you to manage several separate specialists.

We also deliver SCBA wearer training, so we understand how sets are checked, used, cleaned and reported in practice. This helps connect the information your team records after use with the components examined during servicing, giving you a clearer route from a reported fault to a resolved equipment decision.

How long will our equipment be unavailable?

The time out of service depends on the equipment, its condition and whether parts or further testing are required. Routine servicing can often be planned in stages, with sets rotated through the programme to help reduce the number of sets unavailable at the same time.

What documentation do we receive?

Where included within the agreed servicing programme, documentation can identify the equipment inspected, the work completed, test results, defects found, parts replaced, further action recommended and the next planned service date. The precise record format and level of asset detail should be confirmed when the servicing programme is arranged.

Can servicing be carried out on-site?

Some breathing apparatus servicing, inspections and functional checks can be completed on-site. However, more complex repairs, specialist testing or work requiring workshop equipment may need to be carried out off-site. When we set up your servicing plan, we’ll confirm which assets can remain at your premises and discuss how equipment can be scheduled or rotated to reduce the effect of temporary unavailability.

Discuss your breathing apparatus servicing needs

When your team relies on breathing apparatus in high-risk situations, planned servicing helps you maintain a clearer view of which sets have completed the required checks and which need further attention. Discuss your breathing apparatus servicing needs with our team today by calling 01743 761000, or sales@firesafeinternational.com to send us a message.

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