Safety Vacuum Release Systems (SVRS)
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A Safety Vacuum Release Systems is a system or device capable of providing vacuum release at a suction outlet caused by a high vacuum occurrence due to a suction outlet blockage. SVRS devices must allow for the vacuum release with or without the suction outlet cover(s) in place, and shall operate in such a way as to not defeat or disengage other layers of protection installed to protect against suction entrapment.