All Yamada Pumps incorporate bolted construction, which eliminates leaks and simplifies reassembly after maintenance. Many competitors utilize clamp band construction, which frequently requires frustrating and unnecessary rebuilds due to leakage from misalignment during reassembly.
Pump Sizes Available
NDP-Series General Specs.
NDP-5 Series
NDP-15 Series
NDP-20 Series
NDP-25 Series
NDP-40 Series
NDP-50 Series
NDP-80 Series
3.4 GMP
15 GPM
28 GPM
49 GPM
116 GPM
166 GPM
214 GPM
1/4" Ports
1/2" Ports
3/4" Ports
1" Ports
1 1/2" Ports
2" Ports
3" Ports
Model Number Nomenclature
When you are ready to order your Yamada Air Operated Double Diaphragm Pump you have basically four choices to make. Flow required (Pump Series), Valve Type, Body Material and Diaphragm Material. These choices are based on your specific application data and liquid being pumped. If you need assistance in locating the correct Yamada pump just give us a call, we will be glad to assist you in your decision. A break down of the Yamada NDP-Series part numbering system is below.
Yamada AOD Pumps can be used submerged in the liquid being pumped, providing the liquid is compatible with all surfaces and within material temperature ranges. You must plumb the air exhaust out of the liquid for operation. Do not allow liquid being pumped to enter valve assembly if unit is being used in this way. If you have any questions regarding this application please let us know.
Don't forget that you need to size your air compressor adequately for these pumps both CFM and pressure requirements. Some of these pump need a large CFM rating air compressor to operate. Note pump curve with pump description.