| http://www.w3.org/ns/prov#value | - At times it is desirable to temporarily inhibit a check valve from opening, and then without further outside physicalmanipulation of the valve removing the inhibition at a desired stage, all without deleterious effects on the fluid or the mechanism, including the check valve.DESCRIPTION OF RELATED ARTU.S. Pat. No. 4,181,145, entitled, Two-Way Check Valve and issued Jan. 1, 1980, discloses and cl
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