Yamada NDP-50 Series Double Diaphragm Pumps
Yamada NDP-50 series Air Powered Double Diaphragm (AODD) pumps provide a maximum flow rate of 166 gallons per minute. Pumps are available in aluminum, stainless steel (316), cast iron, polypropylene, and Kynar construction, with a wide variety of diaphragm materials.
NDP‑500 Stainless Steel Series
The transfer portal is officially open.
The industry’s highest‑capacity 2" diaphragm pump, delivering an impressive maximum flow of 226.
◆ Redesigned internal geometry boosts overall efficiency, allowing the pump to operate at significantly lower speeds—cutting energy use and reducing operating expenses.
◆ Compatible with existing diaphragms, balls, seats, and the trusted NDP air motor, streamlining parts management and making system upgrades effortless.
◆ The most durable diaphragm pump on the market is now even simpler to service.
A single universal fastener is used throughout the pump body for straightforward maintenance.
Square flanges provide stable support during service work, enabling fast teardown and reassembly.
Lighter than comparable units, improving portability, handling, and installation.
Yamada NDP-500 Technical Data
General Specifications
- Port Dimensions: 2” Flange & NPT
- Maximum Flow Rate: 226 GPM
- Air Supply Pressure: 20–125 PSI
- Maximum Solid Size: 5/16”
- Maximum Lift: 19.5 ft
- Body Material: Stainless Steel
Maximum Liquid Temperature by Diaphragm Material
| Diaphragm Material | Temperature Range |
|---|---|
Buna | 10–180°F (-12–82°C) |
Neoprene | 0–180°F (-17–82°C) |
Santoprene | -10–180°F (-23–82°C) |
EPDM | -40–212°F (-40–100°C) |
PTFE | 40–212°F (4–100°C) |
Hytrel | 0–248°F (-17–120°C) |
Viton | -20–248°F (-28–120°C) |
Ultimate | 0–212°F (-56–100°C) |
