| Call diameter | 3/4 ″ (20A) | |
| Material connection | Suction port | Equivalent to JIS 10K 20A * | 
| Discharge port | Equivalent to JIS 10K 20A * | |
| Air connection | Supply port | Rc1 / 4 (with air cock) | 
| exhaust port | Rc3 / 4 (with muffler) | |
| Regular air pressure | 0.2-0.7MPa | |
| Maximum discharge pressure | 0.7MPa | |
| Discharge rate / cycle | Rubber diaphragm type: 350mL | |
| Fluororesin diaphragm type: 240mL | ||
| Slurry limit (maximum passing particle size) | 2 mm or less | |
| Quality | -20BA □ NDP: 9.0Kg NDP-20BS □: 14.0Kg NDP-20BP □: 8.0Kg | |
	* The diameter of the screw type is Rc3 / 4.
	* For BA □ and BS □ types, the material connection is screw connection and the size is Rc3 / 4.
	 
| Body material (wet contact part) | Diaphragm material | |||
| C: Chromium rubber (CR) | 
					 N: Nitrile rubber | 
					 E: Ethylene Propylene Rubber | 
					 V: Fluororesin | |
| 
					A: Aluminum alloy | NDP-20BAC (851316) | 
					NDP-20BAN | 
					NDP-20BAE | 
					NDP-20BAV | 
| 
					S: Stainless steel | NDP-20BSC (851321) | 
					NDP-20BSN | 
					NDP-20BSE | 
					NDP-20BSV | 
| 
					P: Polypropylene | 
					NDP-20BPC-FL | 
					NDP-20BPN-FL | 
					NDP-20BPE-FL | 
					NDP-20BPV-FL | 
| 
					P: Polypropylene | 
					NDP-20BPC | 
					NDP-20BPN | 
					NDP-20BPE | 
					NDP-20BPV | 
| Body material (wet contact part) | Diaphragm material | |||
| 
					T: Fluorine resin | 
					 H: Polyester | 
					S: Polyolefin-based | H / T | |
| 
					A: Aluminum alloy | 
					NDP-20BAT | 
					NDP-20BAH | 
					NDP-20BAS | NDP-20BAH / T (851875) | 
| 
					S: Stainless steel | 
					NDP-20BST | 
					NDP-20BSH | 
					NDP-20BSS | NDP-20BSH / T (851876) | 
| 
					P: Polypropylene | 
					NDP-20BPT-FL | 
					NDP-20BPH-FL | 
					NDP-20BPS-FL | 
					NDP-20BPH / T-FL | 
| P: Polypropylene (PPG) screw type | 
					NDP-20BPT | 
					NDP-20BPH | 
					NDP-20BPS | 
					NDP-20BPH / T | 
	Note) Click the model / product number to display the parts list / exploded view of parts.
	Note) H / T is diaphragm: polyester-based thermoplastic elastomer (TPEE)
	          ball: fluororesin (PTFE).
	
	 
| Model | NDP-20BA □ | NDP-20BS □ | NDP-20BP □ | 
| Ball valve | Other NDP-20B □□ ・ ・ ・ Same as diaphragm material | ||
| Valve seat | SMS1025 | SUS316 | PPG | 
| Valve receiver | A5056 | SCS14 | |
| Center disk | 
					NDP-20BAT ・ ・ ・ A5056 NFP-20BP □ ・ ・ ・ PPG (SCS13 *) | ||
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