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If the risk analysis of explosive hazards show that no potential sources of ignition exist, an item does not fall under the ATEX directive in which case a Declaration of Conformity and ATEX Marking is not required. This may apply to products used in purely pneumatic systems. For pneumatic devices that are plastic bodied totally pneumatic without electrical coils or contacts we are able to provide an Attestation of Conformity. Devices must not be capable of generating heat (i.e. pneumatic cylinders or rapidly cycling valves). This Attestation only applies to goods supplied directly by H. Kuhnke Ltd. An example ATEX declaration is available here.
It is the ultimate responsibility of all systems builder to ensure that the total package / assembly, or system complies with Directive 94/9/C as may be applicable. If in doubt please contact us directly with details of your application and the products you are considering using.
For underground mining applications (Category 1) contact H. Kuhnke Ltd.
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Kuhnke 51 Series Short interval pneumatic timers (and accessories). Up to 300s delay NC. Plastic bodied. Attestation of Conformity available. |
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Kuhnke 50.650 Series Pneumatic counters, digital totalising type. Plastic bodied. Attestation of Conformity available. |
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Kuhnke 50.695 Series Pneumatic counters, pre-determining type. Both adding & subtracting. Plastic bodied. Attestation of Conformity available. |
