These metering mixing valves can be grouped together for multiple lubrication points. In this case, compressed air is supplied separately to each mixing valve. Metering is accomplished using a built-in single-line metering device. Available in 0.03, 0.06, and 0.1 cm³ sizes.³/cycle. The lubricant supply connection has a recess for solderless connection for lines with a diameter of 4 mm. The compressed air connection is G1/2 or G3/4, depending on the design.