All-Flo 3 in. NPT Diaphragm Pump A300-NAA-SSEE-B30


Short Description

SKU: 354 Category:


3 (76mm) Aluminum/Santoprene®

Engineered for maximum fluid and chemical compatibility. Heavy duty, stall free, non-metallic air section ensures stall free & freeze free operation. Rugged valve system allows operation under a variety of conditions, ranging from clean fluids to slurries, to solids applications. Bolted design provides ease of maintenance and leak free operation.

*Suitable for clean fluids, slurries or up to 7/16” solids
*Heavy duty air valve
*Aluminum chamber
*Muffler included
*Carrying handles available (sold separately)


Physical Dimensions See Drawings
Air Inlet 3/4
Liquid Inlet 3 (76mm)
Liquid Outlet 3 (76mm)
Weight 150 (68) lbs (kg)


Maximum Flow 255 gpm (965 lpm)
Maximum Air Pressure 120 psi (8.2 bar)
Maximum Solids 7/16 (11.1mm)
Max Suction Lift Dry 15 ft (4.5m)
Max Suction Lift Wet 26 ft (7.9m)
Max Suction Lift Dry with PTFE 10 ft (3 m)
Max Temperature 212 (100) °F (°C)
Noise Level (with muffler) 86 dBA

Free shipping to the continental United States.


Click here for the pump curve chart and spec sheet

Additional information

Body Material


Connection Size


Diaphragm Material



All-Flo Pumps

All-Flo makes the world's most efficient air operated diaphragm pumps. 100% manufactured in the USA. Customizable for any application. The most popular All-Flo pumps are available for online purchase below. Nobody sells All-Flo for less. Call our pump experts at (484) 369-0140 if you have questions or would like to place an order by phone. Visit and learn why they are the best!

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Motor HP

Self Priming