Varec Series 5000 Varec Flame Arrester
How does a Pressure/Vacuum Relief Valve work? This unit combines the high flow capacity of the relief valve with the easy-to-maintain extensible bank flame arrester for maximum protection and reliable 5810B / 5820B Relief Valve and Flame Arrester – Varec Biogas A Flame Arrester (or arrestor) is a passive devices with no moving parts, that allows hot gas to pass through, but stops a flame in Pressure Vacuum Relief Valves (PVRVs) — also known as breather valves or conservation valves — are critical safety devices for ...