Can be fitted on operations 1/2", 3/4" or 1". With drip-stop ChemSaver® with no dripping at closing time. The nozzle needs a 0.7 bar pressure to open the valve. Standad diaphragm in EPDM, Viton® avaiblable on option. Are fitted on 9.5mm holes drilled on the operation. Maximum operating pressure 20 bars. The sizes 1/2" and 3/4" have a hole on the upper part of the clamp ib order to fix flat facing.