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Glovebox pressure relief and check valve
This device is a combined pressure relief valve and check valve providing overpressure protection and preventing back flow into an inert atmosphere enclosure. The pressure relief is embodied by a submerged vent line in a mercury reservoir, the relief pressure being a function of the submerged depth. The pressure relief can be vented into an exhaust system and the relieving pressure is only slightly influenced by the varying pressure in the exhaust system. The check valve is embodied by a balldoi:10.2172/5395402 fatcat:2wuwsvogpfbrrp7skwxbj5zaci