31.7 gpm max 3/4 in fnpt port size 1/4 in air inlet

Yamada NDP-20 Series 3/4-Inch Pumps

Yamada 3/4-inch, air-operated, double-diaphragm (AODD) pumps handle a wide variety of fluids with a high or low solids content for smooth, consistent, efficient pumping. Flow rate to 31.7 GPM max, 3/4 in. FNPT port size, 1/4 in. FNPT air inlet. Choose polypropylene, aluminum or stainless steel for the pump body material, ball valves as standard. Choose the diaphragm material based on the maximum liquid temperature:
Neoprene to 180 degrees F
Buna 180
PTFE 212
Nordel 212
Santoprene 225
Hytrel 248
Viton 248
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