A lock-shield valve is used to shut off the radiator for servicing. Available with or without presetting.
The lockshield valve is used as a shut off valve or pre-setting valve on radiators. The lockshield valve RRVR and RRVV is equipped with two cones, one for shut off and one for pre-setting. Pre-seeting is carried out without draining the system. The lockshield valve is restricted so that the cone cannot be unscrewed unintentionally. RVR and RVV is equipped with one cone for closing and has an o-ring of EPDM rubber.
The castle valve is used, for example, in K-marked buildings or where you want to preserve the old style. Castle knob and valve are of polished and lacquered brass. The return valve RV is equipped with a cone for the closing and for the presetting, see RV return valve for more information. The return valve is available in two versions, straight and angled.