Blog

BOOTH NUMBER 3429 National Pump will be showing at the WEFTEC annual show once again. New Orleans is always a welcoming city and we look forward to not only returning but to seeing our many customers. We hope you can stop by and say hi to us.

BOOTH NUMBER 11704 MINExpo INTERNATIONAL is the world’s largest mining industry event, which is held at the Las Vegas Convention Center. The next event is almost upon us September 24-26 scheduled for 2025. At MINExpo, you’ll find the latest innovations in mining technology, including pumping equipment, and services, all showcased in one place. It’s a […]

Come grow your career with National Pump Company! As of Second Quarter 2024 we currently have openings across the country for both front line and management positions.  Please send your application to NPCResumes@natlpump.com Glendale, AZ – Pump Assembler, CNC/manual machinist, Impeller balancer/underfiler, Applications / Customer Service, CDL Driver, Shipping & Receiving Olive Branch, MS – Admin […]

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 […]

National Pump Company has developed new impeller patterns specifically to pour 300 series stainless steel impellers, which now provide the same high performance and efficiency as our bronze designs. With fourteen (14) models to choose from, they are available from inventory for a quick turnaround. Flow ranges are from 200 GPM to 3,200 GPM at […]