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Purge timing cards are part of flame safety systems that control when a burner can start. They make sure that any dangerous gases are cleared out of the burner area before the flame is lit, which helps maintain safety.
When choosing purge timing cards, it's important to think about how long the purge needs to be for your specific burner system. The type of fuel being used and the size of the combustion chamber can affect how long the purge should last. It's also crucial to make sure the timing card is compatible with the other parts of your flame safety system and meets all the safety rules for your industry.
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