Thermostat valve for central heating radiator has operating attachment protective provided with adapter coupled to screw ring cooperating with valve housing external thread

摘要

The thermostat valve has a valve housing (12) provided with a fixing mechanism for an operating attachment having an operating pin (4) and a protective cap (17), part of the latter acting as an adapter (19), coupled to a screw ring (18) fitted to an external thread (7) of the valve housing.