Valves and actuators that fall under ATEX Directive 2014/34/EU can be considered either as equipment, components or safety devices, controlling devices or control units. A valve under this ATEX Directive, consists of:
As an example, a manually operated valve does not require ATEX certification, while a solenoid valve or an electro-pneumatic valve which consists of the electrical actuator and the valve body must be ATEX-certified as a complete product.
Furthermore, non-electrical equipment which do have their own source of ignition, such as regulators, cylinders, etc. must be ATEX-certified. If an electrical equipment does not have its own source of ignition, such as a filter or a lubricator, it does not fall under this ATEX Directive.
To determine whether you will need an ATEX approved valve, the flow chart below can provide guidance. If you have any uncertainty, please contact our technical support for further information.
Flow chart to determine if you need a valve with ATEX approval - Produced by Tameson
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<p><a href="https://tameson.com/what-equipment-must-comply-with-atex.html"><img src="https://tameson.comhttps://pimcore.tameson.com/Articles/infographic/atex-needed-flow-chart-en.jpg" alt="Flow chart to determine if you need a valve with ATEX approval by Tameson" width="540px" border="0" /></a><br><strong>Flow chart to determine if you need a valve with ATEX approval - Produced by <a href="https://tameson.com/what-equipment-must-comply-with-atex.html">Tameson</a>.</strong></p>
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Complete the questions to find suitable valves directly:
|1/8 inch||± 4 - 8 mm|
|1/4 inch||± 6 - 12 mm|
|3/8 inch||± 8 - 15 mm|
|1/2 inch||± 10 - 16 mm|
|3/4 inch||± 15 - 22 mm|
|1 inch||± 20 - 30 mm|
|1½ inch||± 25 - 50 mm|
|2 inch||± 40 - 60 mm|