50 Years of Gratitude.
With Every Stroke,
We Pump Confidence.
Since its market debut in 1976,
Yamada Diaphragm Pumps
have kept industries flowing.
We continue to pioneer
the future of fluid transfer,
delivering reliability
to our customers worldwide.
HISTORY
50 Years of YAMADA Diaphragm Pumps
1976
Yamada AODD Launch
Supporting the growth of Japanese industry.
1979
Full Lineup Completion
Asia’s first full AODD lineup, ranging from 1/4” (NDP-5) to 3” (NDP-80) in various materials.
1981
Launch of DP-F Series
High-purity PTFE pumps for the semiconductor market. (Originally introduced as DP-T)
1994
Full Model Change:
NDP Series Launch
Increased flow and performance for global market expansion.
1995
NDP-E Series Launch
Sensor control models with built-in proximity sensor.
2009
NDP-50FAN Launch
Flapper-valve pumps for transferring solids up to 30mm.
2010
NDP-H Series Launch
Mechanical switching models for low-pressure, low-speed, and high suction-head operations.
2016
Global Series Launch
Balanced performance and cost-efficiency for diverse global markets. Expanding the versatility of AODD pumps worldwide.
2024
NDP-500 Series Launch
A major upgrade to the 2-inch pump series. The highest-flowing 2" pump on the market!
Future
Commitment to Quality.
Dedicated to continuous improvement and developing solutions that meet the real-world needs of our customers.
NUMBERS
YAMADA Diaphragm Pumps by the Numbers
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Total Units Sold
0+Units
SoldGlobal Reach
0Countries
and
RegionsProduct Lineup
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ModelsREASON
Why Yamada Diaphragm Pumps Are Trusted
Proprietary design focused on stable operation and ease of maintenance.
Maximizing diaphragm life and performance while minimizing maintenance costs and downtime.
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《 Stable Operation 》

Diaphragm-friendly
short-stroke designLess wear, longer life
Yamada’s proprietary short-stroke structure reduces diaphragm stress and minimizes wear.
It also lowers air consumption, maintaining high performance while cutting running costs. -
《 Ease of Maintenance 》

Simple structure
with minimal partsLess downtime through fast maintenance
Our simple design with fewer parts reduces the risk of failure. It significantly shortens repair and maintenance time, minimizing downtime to ensure stable operation at the site.

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① Reset Button
The Reset Button is a unique feature for risk management and a proprietary Yamada feature designed to minimize downtime in critical situations. Even if a pump stalls due to valve friction, it ensures an immediate restart, keeping your operations running.
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② Air Switching Valve (C-SPOOL)
The Air Switching Valve can be serviced and maintained without disassembling the pump body.
Our unique C-Spring mechanism prevents the pump from stalling, ensuring continuous and reliable operation.
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③ Pilot Valve
The Pilot Valve, which drives the air switching valve, features an independent left-right design.
By eliminating dynamic seals, this structure provides exceptional resistance to friction.
Both the Air Switching Valve and Pilot Valve are 100% oil-free.
No lubrication required.Applications Across Sectors
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General industrial and wastewater treatment
For circulation and spraying of mold-release agents, factory wastewater, and pumping of waste oil.
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Chemical industry
Transfer of flammable liquids in explosion-proof area
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Painting and printing
As a coating pump for supplying paint to roll coaters, coating exterior wall materials, etc.
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Energy industry
Drainage from power plants, waste liquid collection during piping and tank cleaning, fuel transfer in explosion-proof area
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Coal mine
Transferring liquids mixed with sediment, wastewater, and oil
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Ceramic
Transfer of clay and glazes
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Food and beverages
Transfer of food ingredients and additives, supply of pipe cleaning solution, collection of waste oil and wastewater
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Semiconductors
As a chemical supply system pump
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Drug production
Transfer of alcohol, disinfectants and solvents
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Automobiles
Supplying oil, coolant fluid, paint, etc.
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Shipbuilding
Rainwater discharge, bilge and waste oil collection, chemical transfer, and lubricant supply
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Powder
Transfer of anhydrous powder
FUTURE
The Vision for YAMADA Diaphragm Pumps
In Constant Pursuit of Quality:
Pumps that Endure."It is not the strongest of the species that survives,
nor the most intelligent.
It is the one that is most adaptable to change."
—— Charles DarwinWe believe that facing change while protecting the core is the only way to carry quality into the future.
For us at Yamada, "adapting" is not about change for the sake of change;
it is about preserving and pursuing the true quality demanded by the times and the field.Every Yamada pump is designed to last.
Durability, stability, and trust are the results of our continuous quest for reliability in an evolving environment.By identifying what must evolve and inheriting what must remain, we will continue to build Yamada pumps for the next generation.
Inheriting quality,
responding to the era.
This is the vision for Yamada pumps.



