When connecting to the old style Chek-Loks liquid is released to atmosphere until a positive seal is achieved. With this assemble the internal valve is not opened until the handle is rotated down.
Tank valves added for demonstration value only.
Designed specifically for use with RegO 7572FC and 7580FC Chek-Lok® Excess Flow Valves. The adapter’s operating handle opens and closes the equalizing stem in these older style Check-Lok® valves. This adapter is designed to eliminate the need for gas to flow from the Chek-Lok® when the adapter is installed or removed. Assembly includes a full port ball valve and 1-3/4″ male ACME.
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