| 摘要 |
<p>The casing (1) has a sealing device (J1, J2) placed between an annular end surface of inlet pipe (1A) and/or outlet pipe (1B) of fluid i.e. water, meter, casing and an annular end surface of fluid supply or discharge pipe. The device is integrated to one of the end surfaces of the pipe, and is fitted in the end surface. The device is molded on the end surface, where the casing is made of plastic material such as thermoplastic material.</p> |
