Powder Diaphragm Pumps Yamada Specifically designed to move bulk solids more effectively throughout your process. They are a cost effective replacement for Augers and conveyors and eliminate unsafe and labor intensive means of moving bulk powders. These heavy duty pumps consistently transfer fine-grained ( 100um of finer ), low bulk density ( 5 to 50 lbs./cubic foot ), dry powders in a dust-free operation.
Principles of Operation Powder Diaphragm Pumps Yamada :
- Conveying distance depends upon the micron size and the bulk density of the powder. For example fumed silica can be conveyed 150 feet while flour a maximum of 40 feet. Refer to the Yamada “Pumpable Powders” data sheet for specific materials.
- Powder must be 150 mesh ( 160 micron ) or smaller size particle/powder and dry. The pump will not pump crystals or flakes and the bulk density should be less than 50lbs / cubic feet. The higher the bulk density, the shorter the conveying distance and the lower the flow rate.
- The Pump can be located a maximum of 15 feet above powder source.
- Yamada recommends aeration/fluidization of the powder a minimum of 10 to 15 seconds prior to starting the pump-premature diaphragm, center shaft, and center disk failure can be avoided.
- PTFE check balls are recommend for sticky powders.
- Yamada recommends regulating compressed air to 70PSI Maximum.
- Air volume requirements and capacity
- For additional pump options, see the Extended Pump Model Nomenclature chart under the Model Nomenclature tab.
GENERAL PUMP INFORMATION
| NDP-40 | NDP-50 | NDP-80 | |
| Maximum Flow Rate | 144 cubic ft/hr 2.4 cubic ft/min | 210 cubic ft/hr. 3.5 cubic ft/min | 420 cubic ft/hr 7.0 cubic ft/min |
| Fluid Port Size | 1-1/2″ | 2″ | 3″ |
| Air Inlet | 1/2″ Female NPT | 1/2″ Female NPT | 1/2″ Female NPT |
| Air Exhaust | 1″ Female NPT | 1″ Female NPT | 1″ Female NPT |
| Air Supply Pressure | 20 to 100 PSI | 20 to 100 PSI | 20 to 100 PSI |
| SCFM | 15-90 | 20-105 | 30-120 |
Construction
Aluminium ( ADC-12 )
Cast Iron
Stainless Steel ( 316 )
