The information and data compiled and made available at this Web Site by Pump School is provided as a public service and is for information purposes only. The creator of Pump School, Viking Pump, Inc. assumes no responsibility for mistakes or errors contained herein or for any use of such information. Individuals and businesses desiring assistance in the appropriate choice of pumps and design of pumping systems are encouraged to contact authorized Viking Pump, Inc. distributors, or to communicate directly with Viking Pump, Inc. at (319) 266-1741or

Viking® and Pump School® are trademarks of Viking Pump, Inc. (a unit of IDEX Corporation). Copyright (c) 2012 Viking Pump, Inc., 406 State Street, Cedar Falls, Iowa 50613-0008 U.S.A. All rights reserved. Any person is hereby authorized to view, copy, print, and distribute this document subject to the following conditions:

  1. The document may be used for informational purposes only and may not be included as a portion of any other publication.
  2. The document may only be used for non-commercial purposes.
  3. Any copy of this document or portion thereof must include a complete copy of this notice. Note that any product specifications, process or technology described in this document may be the subject of other Intellectual Property rights reserved by Viking Pump, Inc. or others and such rights are not licensed hereunder.