Direct-acting, media-separated 2/2 or 3/2-way rocker solenoid valve for the control of aggressive liquids and gases in medical analysis technology, the food industry and the chemical industry during dosing, filling, mixing and distribution. The medium is only in contact with the housing and seal material through the separating diaphragm. With its new TwinPower actuator, robust fitting and 22 mm width, this valve meets the most stringent requirements. The tried-and-tested rocker technology is characterised by full back pressure tightness, good flushability and a low internal volume. The Type 6628 is available in a wide variety of technical variants and provides perfect adaption in fluidics application with the aid of various fluidic body options.