![](https://www.wiwausa.com/wp-content/uploads/2014/05/nd-pumps.jpg)
These new low-pressure pumps still use the well-proven WIWA compressed air motors. The transfer pumps differ from their predecessors by the following features: Revolving piston gland packing with four V-sleeves, easy assembly, and disassembly, low weight, the piston is simply hooked in, as with the Airless paint spraying units.