Quick Ship Eligible

Yamada 1″ Stainless Steel Teflon-Fitted Air-Operated Diaphragm Pump


Manufacturer Part Number:


Average Lead Time:

In Stock & Ready To Ship

Port Size:

1 in (25.4 cm)

Construction Material:

Stainless Steel

Check Valve Type:


Porting Type:


Diaphragm Material:


Check Valve Material:


O-Ring Material:



49 lbs (22.22kg)

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Discover Precision Fluid Management with the Yamada® NDP-25BST Diaphragm Pump

Elevate your fluid transfer processes with the Yamada® NDP-25BST Air Operated Double Diaphragm (AODD) Pump, a powerhouse designed for superb performance across a spectrum of applications. Ideal for professionals in various industries, this pump combines high functionality with enduring reliability.

Key Features for Unmatched Performance:
  • Exceptional Flow Rate: Achieves up to 49 gallons per minute, facilitating swift and efficient fluid transfer.
  • High-Quality Materials: Constructed from 316 stainless steel, renowned for its strength and resistance to corrosion and chemicals, making it perfect for harsh industrial environments.
  • Teflon Integrity: Features diaphragms, check valves, and O-rings all made from PTFE, ensuring maximum resistance to chemicals and high temperatures.
  • Versatile Design: With 1-inch NPT porting, this pump offers seamless integration into existing systems and is suitable for a wide range of liquid properties and applications.
  • Robust Check Valve System: Utilizes a ball-type check valve to ensure reliable flow and prevent backflow, enhancing the pump’s operational efficiency.

Technical Specifications:
  • Port Size: 1 inch (25.4 mm), optimizing the flow and handling capacities.
  • Diaphragm Material: PTFE, known for its excellent chemical resistance and longevity.
  • Construction Material: Durable stainless steel for enhanced performance in any setting.
  • Check Valve Material: PTFE, providing a tight seal and superior chemical resistance.

The Yamada NDP-25BST diaphragm pump is engineered for those who require reliable and efficient fluid management solutions. It is especially suitable for high-stakes environments where chemical resistance and durability are paramount. Make the Yamada® NDP-25BST your choice for advanced, efficient, and reliable fluid management.
  • Port Size: 1 in, 25.4 mm
  • Construction Material: Stainless Steel
  • Check Valve Type: Ball
  • Porting Type: NPT
  • Diaphragm Material: PTFE
  • Check Valve Material: PTFE
  • O-rings Material: PTFE
“QuickShip Eligible” products will be shipped generally within 24-72 hours of placing the order. These shipping times are subject to change based on product availability issues and supply chain issues. For more information, please read our Shipping, Returns & Tax Policy.

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