| Nominal diameter | 1 ″ (25A) | |
| Material connection | Inlet | JIS flange 10K 25A equivalent * | 
| Discharge port | ||
| Air connection | Supply port | Rc3 / 8 (with air cock) | 
| exhaust port | Rc3 / 4 (with muffler) 0 | |
| Service air pressure | 0.2 to 0.7 MPa | |
| Discharge pressure | 0.7MPa | |
| Discharge rate / cycle | Rubber diaphragm type: 600mL | |
| Fluororesin diaphragm type: 500mL | ||
| Slurry limit (maximum passing particle diameter) | 3mm or less | |
| Mass | 
				NDP-25BA □: 13.0kg NDP-25BS □: 20.0kg NDP-25BF □: 20.0kg NDP-25BP □: 11.0kg NDP-25BV □: 13.5kg  | 
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