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1" Yamada Aluminum Dual Diaphragm Pneumatic Pump

1" Yamada Dual Diaphragm Aluminum Pump
List price: $780
Free Shipping to lower US 48
Estimated Dates To Leave Warehouse: 

Apr. 24 - Apr. 26

In Stock
Quick Overview: 
  • High Quality Dual Diaphragm Pump
  • Made from Aluminum
  • 1" Fluid Inlet & Outlet
  • 20 to 100PSI
  • Up-to 49 GPM
  • Air Powered (air source sold separately)


This is a light weight Yamada Aluminum Dual Diaphragm Pneumatic Pump that is also very compact and can be used for portable sealcoat systems as well as more permanent installations such as our Asphalt Sealing Machine series of Sealcoat Spray Systems.

This Yamada dual diaphragm pump is Air Operated and requires an external air source and will deliver approximately 200 PSI which allows for smaller spray wand tips.

Our 1" Duel Diaphragm Pneumatic Pump is the smaller version of our 2" pump and 1-1/2" pumps that we use on our larger systems. We also carry replacement balls and Buna Diaphragms for this pump.

Yamada NDP-25BA Teardown Video

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Intake & Discharge Size

1" Female NPT




Pneumatic Duel Diaphragm

Air Supply Pressure

20 - 100 PSI (1.4–7 kfg /cm)

Max Output Flow

49 GPM

Diaphragm Material

Buna N

Unit Specifications


11.30"W x 15.08"H

Net Weight

27 lbs. (13.0 kg)

Replacement Parts & Accessories

The following are a list of replacement or add-on parts for this product.


Technical Data Sheet:

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Shipping Weight
Weight: 35 lb
Shipping Dimensions
Dimensions: 18 in × 16 in × 22 in