Blog

GLENDALE, Arizona – National Pump Company is excited to announce new interim President Jody Hastings. Jody isn’t new to the Gorman-Rupp family as he has been with Gorman-Rupp Industries (GRI) for the past six years.  With a strong background and track record of establishing strong teams and navigating difficult challenges we are looking forward to […]

Come grow your career with National Pump Company!  As of March 21st, 2022 we currently have openings across the country for both front line and management positions.  Please send your application to NPCResumes@natlpump.com Glendale, AZ – Branch Manager, Pump Assembler, CNC/manual machinist, Impeller balancer/underfiler, Applications / Customer Service, CDL Driver, Shipping & Receiving Olive Branch, […]

GLENDALE, Arizona – National Pump Company is excited to announce the promotion of Andrew Dewar to National Sales Manager.

GLENDALE, Arizona – National Pump Company is excited to announce the promotion of Parker Edwards to National Arizona Branch Manager.

National Pump Company has what you’re looking for!  When NSF/ANSI/CAN 61 & NSF/ANSI 372 certified product is required on your project, we will proudly display the NSF mark on the pump assembly nameplate. This NSF nameplate is confirmation that through rigorous testing, NPC meets or exceeds the safety standards set forth by the U.S. Safe […]

NEWS RELEASE FOR IMMEDIATE RELEASE Oct. 17, 2019   NATIONAL PUMP COMPANY EARNS COMPLETE PUMP NSF CERTIFICATION GLENDALE, Arizona – National Pump Company, vertical turbine and submersible pump manufacturer, has received NSF/ANSI/CAN 61 & NSF/ANSI 372 certification for Vertical and Submersible Turbine Pump assemblies as of September 20, 2019. The complete pump, from the suction […]

Primary Factors Affecting Vibration: Separation margin to structural natural frequency   Operating on the structural natural frequency of the discharge head motor assembly will result in unacceptable vibration levels. A field margin of +/-10% is recommended to ensure low vibration levels.   A structural natural frequency calculation or analysis (sometimes referred to as a reed […]

Structural natural frequency, also referred to as reed critical frequency (RCF), is the single greatest factor which prevents excessive vibration in a vertically suspended pump. Operating close to or on a structural natural frequency will result in high vibration levels. This high vibration level can result in premature or catastrophic failure of the equipment. Key […]

In times of need, ASR wells are designed to inject and recover reclaimed water into shallow aquifers for underground storage purposes. National Pump Company (NPC) has worked on various ASR projects to provide well pumps with the testing, designs, and capabilities needed to inject and/or recover water as needed. Below are various Arizona projects that […]

We offer pump training courses at our various branch locations throughout the year. For those new to the pump industry or those who just want to sharpen their skills and knowledge, our pump instructors are full of valuable information. Topics include, but are not limited to: Pump Maintenance Terms of the Trade Pump Parts and […]