An excess flow valve (EFV) is an automatic shutoff valve through which pressurised gas or liquid flows, and it is essential for many pipeline applications. They are designed so that at normal flow rates the fluid will pass through unrestricted, however in the event of an dramatic increase of flow it will trigger the EFV to quickly close off the flow.
Download our guide below to find out what information we will need in order to size your excess flow valve:
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