Disassembly and reassembly of Yamada’s NDP-40/50/80 and SolidPRO double diaphragm pump non-lubricated air valve
Disassembly and reassembly of Yamada’s NDP-40/50/80 and SolidPRO double diaphragm pump non-lubricated air valve. The unified patented air valve is used within four sizes of pumps, reducing reassembly and parts inventory.