YAMADA NDP-50 DIAPHRAGM PUMP series AODD pumps provide a maximum flow rate of 164 gallons per minute. Pumps are available in aluminum, stainless steel ( 316 ), Kynar ( PVDF ), groundable acetal, and polypropylene construction.
GENERAL PUMP INFORMATION
Discharge volume Per Cycle : 164 Gallons/Minute
Fluid Port : 2” ( NPT or ANSI Flange )
INTAKE & DISCHARGE CONNECTIONS
| Polypropylene ( PPG ) | 2″ ANSI Flange B16.5 #150 |
| Kynar (PVDF) | 2″ ANSI Flange B16.5 #150 |
| Aluminum ( ADC-12 ) | 2″ ANSI Flange B16.5 #150 (with tapped 2″ Female NPT) |
| Stainless Steel ( 316 ) | 2″ ANSI Flange B16.5 #150 or 2″ Female NPT |
| Cast Iron | 2″ Female NPT |
| Air Inlet | 3/4″ Female NPT ( includes ball valve ) |
| Air Exhaust | 1″ Female NPT ( includes silencer ) |
DIAPHRAGM MAXIMUM LIQUID TEMPERATURE1 :
Buna N : 180°F ( 82°C )
Neoprene : 180°F ( 82°C )
Santoprene ( TPO ) : 180°F ( 82°C )
EPDM : 212°F ( 100°C )
PTFE : 212°F ( 100°C )
Hytrel (TPE) : 248°F ( 120°C )
Viton fluoroelastomer : 248°F ( 120°C )
Ultiimate : 212°F ( 100°C )
| Model # | Description |
| 852423 | NDP-50BAC |
| 852229 | NDP-50BAN |
| 852424 | NDP-50BAE |
| 852230 | NDP-50BAH |
| 852717 | NDP-50BAS |
| 852303 | NDP-50BAV |
| 852231 | NDP-50BAT |
| 852231-U | NDP-50BAU |
| 852425 | NDP-50BSC |
| 852232 | NDP-50BSN |
| 852426 | NDP-50BSE |
| 852233 | NDP-50BSH |
| 852718 | NDP-50BSS |
| 852304 | NDP-50BSV |
| 852234 | NDP-50BST |
| 852234-U | NDP-50BSU |
| 852647 | NDP-50BSC-NPT |
| 852643 | NDP-50BSN-NPT |
| 852648 | NDP-50BSE-NPT |
| 852644 | NDP-50BSH-NPT |
| 852721 | NDP-50BSS-NPT |
| 852646 | NDP-50BSV-NPT |
| 852645 | NDP-50BST-NPT |
| 852645-U | NDP-50BSU-NPT |
| 852841 | NDP-50BFC |
| 852837 | NDP-50BFN |
| 852842 | NDP-50BFE |
| 852838 | NDP-50BFH |
| 852843 | NDP-50BFS |
| 852840 | NDP-50BFV |
| 852839 | NDP-50BFT |
| 852839-U | NDP-50BFU |
| 852427 | NDP-50BPC |
| 852235 | NDP-50BPN |
| 852428 | NDP-50BPE |
| 852236 | NDP-50BPH |
| 852719 | NDP-50BPS |
| 852305 | NDP-50BPV |
| 852237 | NDP-50BPT |
| 852237-U | NDP-50BPU |
| 854836 | NDP-50BPC-PP |
| 854837 | NDP-50BPN-PP |
| 854838 | NDP-50BPE-PP |
| 854841 | NDP-50BPH-PP |
| 854842 | NDP-50BPS-PP |
| 854839 | NDP-50BPV-PP |
| 854840 | NDP-50BPT-PP |
| 854840-U | NDP-50BPU-PP |
| 852813 | NDP-50BVE |
| 852489 | NDP-50BVH |
| 852775 | NDP-50BVS |
| 852812 | NDP-50BVV |
| 852485 | NDP-50BVT |
| 852485-U | NDP-50BVU |
| 854848 | NDP-50BVE-PP |
| 854851 | NDP-50BVH-PP |
| 854852 | NDP-50BVS-PP |
| 854849 | NDP-50BVV-PP |
| 854850 | NDP-50BVT-PP |
| 854850-U | NDP-50BVU-PP |
ADVANTAGE :
- Rugged, Bolted Construction
All Yamada pumps feature bolted construction, which eliminates leaks and simplifies post-maintenance reassembly. Bolted construction is superior to clamp band retainers, which frequently require frustrating, unnecessary leakage rebuilds from misalignment during reassembly. - Outside-Accessible Air Valve
Inspection or maintenance of every Yamada air valve may be performed without removing the pump from service. Outside accessible, making it easy to fix / inspect. - Unified Air Valve Concept
Common-size air valve assemblies reduce parts confusion and inventory. - Pilot Valve
Unique to the Yamada design is an individual modular pilot valve that actuates the air valve. It is depressed slightly by the inner center disk creating a pressure drop at one end of the air valve, allowing shifting to occur. It is maintenance free with no cumbersome snap rings or lubricated dynamic O-rings to replace or repair.