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Click link to download printable PDF for:

NDP-20 Specs, Curves, Drawings (540K)

Bill of Materials

Maintenance Manual (1.14MB)


Performance Curve Data for
NDP-20 Series Pumps

Curve data based on 1-foot flooded suction, ambient water


Rubber Diaphragm

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Teflon® Diaphragm

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Yamada® is a registered trademark of Yamada America, Inc. Nordel®, Teflon®, & Hytrel® are registered trademarks of DuPont Dow Elastomers. Viton® is a registered trademark of DuPont Performance Elastomers. Santoprene® is a registered trademark of Monsanto Co. Swagelok® & VCR® are trademarks of the Swagelok Companies. Flaretek® is a registered trademark of Entegris®. Kynar® is a registered trademark of ATOFINA®. Ryton® is a registered trademark of Chevron Phillips Chemical Company. AutoCAD® is a registered trademark of Autodesk, Inc. Due to Yamada’s continued commitment to product improvement, specifications may change without notice.

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