| http://www.w3.org/ns/prov#value | - Referring now more in detail to the aforesaid illustrative embodiment of the present invention, particularly in FIG. 1 and FIG. 2 of the drawings thereof, the numeral 10 generally designates a safety valve which includes a main valve body 11 provided with a flanged inlet 12 and a flanged outlet 13 in communication with each other through a main body chamber 14.
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