| 摘要 |
PROBLEM TO BE SOLVED: To provide a gas cock for a gas meter in which a gas leading-in pipe and the gas meter are connected under an isolated state and a gas meter connecting work can be performed easily and accurately. ! SOLUTION: A joint main body (11) having an insulation member (12) closely and outwardly fitted is connected to a downstream side connecting part (10c) of a gas cock main body (10), a union nut (31) outwardly fitted to the insulation member (12) is engaged in thread with a gas inlet part (30a) of a gas meter connected to the joint main body (11) through an insulation packing (5), upon completion of fastening of the union nut (31), a range from a downstream side connecting part (10c) of the gas cock main body (10) to an outer circumferential surface (35) of the upstream side end of the union nut (31) is closely covered by a waterproof cover (1) made of insulative resilient material, the barrel part of the waterproof cover (1) is concentrically overlapped and can be resiliently deformed and i |
