Yamada® SolidPRO® Solids Handling Diaphragm Pump

High-Performance Flapper Valve Pump

The Yamada® SolidPRO® Solids Handling Diaphragm Pump is engineered for reliable and efficient handling of slurries and solids-laden fluids. Featuring a robust flapper valve design, this AODD pump delivers exceptional performance in challenging industrial environments, ensuring minimal clogging and maximum flow. Ideal for applications where durability and consistent operation are essential.

SolidPRO® pumps, manufactured by Yamada®, are specifically engineered to efficiently pump fluids that contain solids up to 2 inches (50mm) in diameter. These pumps are constructed using the reliable and established NDP-Series line of pumps as their foundation. With Yamada's patented stall-free/lube-free air valve technology and a robust bolted construction that's easy to service, SolidPRO® pumps are built to withstand demanding pumping applications.

Top Manifold = Suction Inlet
Bottom Manifold = Discharge Outlet
Designed to keep solids from settling in the pump.

Design Features

  • Heavy-duty flap check valve permits passage of solids up to 2 inches

  • Easy access to valve chambers for ease of maintenance

  • Vented diaphragm chambers alleviate problems associated with trapped air/gas

  • In-line maintenance facilitates servicing pump without removal from installation

  • Top-Suction Inlet / Bottom-Discharge Outlet design keeps solids from settling in pump

  • Non-lubricated air valve

  • Bolted construction

  • Short-stroke technology improves diaphragm life

  • Outside-accessible air valve

  • Modular pilot valve design requires no dynamic O-rings to replace or repair

GENERAL PUMP INFORMATION:

Model Number:

NDP-50FAN*

Nominal Diameter:

2 inch (50 mm)

Maximum Discharge Volume:

158.5 Gallons/min.

Fluid Connections

Suction: NPT 2 or ANSI flange
150# 2" equivalent
Discharge: NPT 2 or ANSI flange
150# 2" equivalent

Air Connection

Supply: NPT 3/4"
Exhaust: NPT 1"

Normal Air Supply Pressure:

30–100 PSI (2~7 kgf/cm²)

Maximum Discharge Pressure:

100 PSI (0.7 MPa)

Discharge Volume per Cycle:

0.63 GPM (2.3 L/min)

Slurry Limitation:

Maximum 2" solids

Maximum Operating Noise:

94dB

Weight:

115 lbs (52 kg)


*Additional Materials Available

FLAPPER PUMP MODELS:

Model #

Description

854251

NDP-50FAN

854251-TPO

NDP-50FAS

MATERIAL TYPE:

:: Aluminum 

Dimensions:

27.91" W x 32.59" H

Net Weight:

115 lbs. (52 kg)

Shipping Weight:

130 lbs.