Ultimate Diaphragm Pumps

Ultimate Diaphragm Pumps

The Ultimate in Diaphragm Pumps


Yamada® offers a unique unified PTFE diaphragm with a bonded rubber backer and an outer disk integrated into the diaphragm. This unique design is essential in challenging applications when no other diaphragm will perform and the ultimate PTFE diaphragm is required. 

 Port sizes available: 1/2", 3/4", 1", 1-1/2" & 2"


We can handle that!


  • Abrasion Resistant Design
  • Long Service Life
  • Reinforced Fabric
  • Easy Assembly & Repair
  • No Center Hole Leak Path
  • Non-Stalling Air Valve
  • No Lubrication Air Valve
  • Leak-Free Bolted Construction
  • Smooth Design for Easy Flushing/Clean Up
  • Handles High Inlet Pressure
  • Ability to Run Dry


Retrofit & Upgrade your current pump! 




Fluid Port Sizes 1/2", 3/4", 1", 1-1/2" & 2"
Flow Rate 13.5 - 164 GPM
Air Supply Pressure 20 - 100 PSI
Air Inlet 1/4", 3/8", 1/2" & 3/4"
Air Exhaust 3/8", 3/4" & 1"
Temperature 40°F - 212°F
Max. Size Solid 1/32 - 5/16"
Construction Material    Aluminum, Stainless Steel, Cast Iron, Polypropylene & Kynar®
Diaphragm Material Elastomer, Fabric, PTFE, Metal
Compliance FDA


For liquid data and diaphragm specifications, use corresponding NDP series pump data.

NDP-15 Specifications
1/2" Fluid Port
See NDP-15 Data Sheet

NDP-20 Specifications
3/4" Fluid Port
See NDP-20 Data sheet

NDP-25 Specifications
1" Fluid Port
See NDP-25 Data Sheet

NDP-40 Specifications
1-1/2" Fluid Port
See NDP-40 Data Sheet

NDP-50 Specifications
2" Fluid Port
See NDP-50 Data Sheet




  • Aluminum
  • Stainless Steel
  • Cast Iron
  • Polypropylene
  • Kynar®

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