| 摘要 |
<p>Radiator valve with casing fitted with a screw thread, a turning surface and a fastening joint for a guard cap. The cap consists of an outer sheath and an inner cap which are joined together by teeth. The base of the outer sheath possesses openings separated from each other by teeth. It covers the valve pin whose head contains a thermostat, which projects from the front of the valve casing. The edge of the casing lying in the direction of the screw is fitted with an inner thread which has a combined action on the valve casing with the fastening joint.</p> |
