GAS COCK WITH EXCESSIVE OUTFLOW PREVENTING MECHANISM

摘要

PROBLEM TO BE SOLVED: To provide a gas cock in which parts are easily replaced.SOLUTION: In a gas cock with an excessive outflow preventing mechanism, the excessive outflow preventing mechanism comprises: a fuse valve 6; a receiving member 5 that movably supports the fuse valve 6; a fuse valve seat provided on the downstream side of the fuse valve 6; a biasing member 15 that biases the fuse valve 6 in a direction in which it is moved away from the fuse valve seat; and a holding member 4 that holds the receiving member 5. A fuse valve unit is composed of the holding member 4, the fuse valve 6, the receiving member 5, and the return spring 15. The holding member 4 of the fuse valve unit is detachably fitted to a primary side part of an inner cylinder part 2B. The fuse valve unit is housed in a cock body by connecting the inner cylinder part 2B fitted with the fuse valve unit to an outer cylinder part 2A.