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: 3/8", 1/2", 3/4", 1", 1-1/2", 2" & 3"


We can handle that!


  • No Center Hole Leak Path
  • Handles High Inlet Pressure
  • Ability to Run Dry
  • Smooth Design for Easy Flushing / Clean Up
  • Long Service Life
  • Abrasion Resistant Design
  • Easy Assembly & Repair
  • Reinforced Fabric


  • Non-Stalling Air Valve
  • No Lubrication Air Valve
  • Leak-Free Bolted Construction


  • Sanitary
  • FDA Compliant


Retrofit & Upgrade your current pump! 




Fluid Port Sizes 3/8", 1/2", 3/4", 1", 1-1/2", 2" & 3"
Flow Rate 6 - 160 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 -70°F - 212°F
Max. Size Solid 1/32 - 13/32"
Construction Material    Aluminum, Stainless Steel, Cast Iron, Polypropylene & Kynar®
Diaphragm Material Elastomer, Fabric, PTFE, Metal
Compliance FDA

Temperature limits are application specific. Please contact the factory for further information.

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

DP-10 Specifications
3/8" Fluid Port
See DP-10 Data Sheet

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

NDP-80 Specifications
3" Fluid Port
See NDP-80 Data Sheet




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

Contact Us

Live Support

Pump Configurator

Find My Rep

Trial Pump Program

Genuine Parts

Road Show

Literature & Drawings