Brkert 6213ev standard solenoid diaphragm valves servo assisted 22 way burkert 221606 this standard solenoid valve has an orifice dimension of 10mm and a kv of 19msup3h the 22 way valve features a servo assisted spring coupled diaphragm that supports valve opening and closing suitable for use with neutral fluids water hydraulic oil and oil without additives brkert 221 606 solenoid valve 24v dc g12 10mm 19mh polyamide coil