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New: Safe use of compressed air systems in industry

Compressed air safety valves

Safety valves for overpressure protection of compressors, compressed air tanks and compressed air systems. SmartAir helps with sizing, selection and replacement of the correct safety valve if necessary.

The selection takes into account the system's maximum possible air output, permissible pressure, set pressure, connection, operating conditions and required exhaust capacity.

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Don't know the right size?

Ask SmartAir to size the safety valve for you.

Request sizing assistance
Legislation & Documentation

Safety valve documentation and periodic inspections

A safety valve is a key component for the safety of pressure equipment, its function is to prevent the maximum permissible operating pressure from being exceeded. The safety valves supplied by SmartAir meet the applicable requirements of the Pressure Equipment Directive. (PED 2014/68/EU) standard.

Documents and markings to be considered when delivering a safety valve:

  • Compliance: Manufacturer's EU declaration of conformity and appropriate CE marking.
  • Setting pressure: The set pressure of the safety valve must be clearly documented and can be linked to the valve supplied.
  • Personalization: The valve must have a type, batch or serial number or other unique identifier for linking to documents.
  • Manufacturer information: Manufacturer's name or registered trademark and required contact information.
  • Instructions & documents: Applicable installation, operating and maintenance instructions and safety information in Finnish or Swedish.
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Set pressure test certificate

When a new safety valve is installed in a registered or CE-marked pressure device, the manufacturer's set pressure test certificate must be available at the time of commissioning. up to 12 months old.

If necessary, the inspection body may require retesting of the safety valve.

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EN 10204 3.1 inspection certificate

A 3.1 material certificate is available as a separately ordered document. It is not automatically required for normal compressed air use, but can be provided based on quality or project requirements.

Note: The 3.1 certificate does not automatically replace the set pressure test certificate.

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Periodic inspections

Compressed air tanks subject to registration are subject to national pressure equipment legislation. Periodic inspections are carried out by approved inspection bodies, such as: Kiwa and Finspection Ltd..

The owner or keeper must ensure that the valve is in good working order and maintained in accordance with the manufacturer's instructions.

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Are you ordering a safety valve for a registered compressed air tank?

Please inform us when ordering so that we can take into account the requirements for testing and documentation of the set pressure (such as the 12-month rule).

New service product

Mapping of compressed air system safety valves

SmartAir walks you through the system at your factory and records critical information to ensure safety and standards.

Device / container P.S. Setting pressure Connection Capacity Compressor cap. Year Condition Document. Recommendation
E.g. Tank 1 11 bar 10 bar R1"" – 25 m³/min 2015 Good Alright –
E.g. Compressor 2 13 bar 12.5 bar Flange 30 m³/min 30 m³/min 2018 Maintenance required Missing Replacement recommendation

The end result for the customer:

Safety valve register + deviations + replacement recommendation + quote for new valves and installation.

Measurement → Analysis → Design → Components → KVR implementation