Pump Technology
Essential reading for understanding rotary gear pump technology, how it works, and how it compares to other pump types.
What Is a Rotary Gear Pump?
How rotary gear pumps work, types, applications, and why they're the preferred choice for viscous fluid transfer
Rotary Gear Pump Working Principle
Deep technical guide to how external gear pumps generate flow through meshing gears, covering displacement theory, pressure development, and performance curves
Rotary Gear Pump vs. Centrifugal Pump
Side-by-side comparison of positive displacement gear pumps and centrifugal pumps — performance, viscosity handling, efficiency, and when to use each
Positive Displacement Pump Comparison
Gear pumps vs. vane pumps vs. piston pumps — a technical comparison of operating principles, flow characteristics, and best applications for each type
Pump Selection Guides
Comprehensive guides for selecting the right pump technology and sizing for your application.
Material & Construction
Technical guides for selecting the right materials and construction for your environment.
Industry Applications
Specialized guides for pump selection in specific industrial sectors.
Pump Selection for Emulsion Explosives
Technical guide for mining and explosives industry pump requirements
High-Viscosity Adhesive Pump Guide
Pumping solutions for adhesives, sealants, and resin-based materials
Gear Pumps for Chemical Transfer
Chemical processing pump selection and material compatibility
Gear Pumps for Fuel & Petroleum Transfer
Petroleum terminal and fuel handling pump solutions
Stainless Steel Gear Pumps for Food Processing
Material selection, sanitation, and best practices for food and beverage applications
Rotary Gear Pumps for Explosives & Mining
Application guide for emulsion explosives transfer, sensitizer dosing, and mining process fluids with rotary gear pump technology
High-Viscosity Pump Selection for Adhesives
How to select and size rotary gear pumps for adhesives, sealants, resins, and other high-viscosity materials up to 1,000,000 cP
Maintenance & Service
Expert guidance on maintenance, repair, and field service best practices.
Rotary Gear Pump Maintenance Schedule & Checklist
Comprehensive maintenance schedules and checklists for daily, weekly, monthly, quarterly, and annual pump inspection and service intervals
Field Maintenance for Rotary Gear Pumps
Maintenance schedules, repair kits, and field service best practices
Pump Repair Kits vs. Full Replacement
Cost analysis, downtime comparison, and decision framework for rebuild versus replace
Gear Pump Cavitation: Causes, Symptoms & Prevention
How to identify, troubleshoot, and prevent cavitation in rotary gear pumps — covering NPSH, inlet conditions, and system design
Need Expert Guidance?
Our engineering team is ready to help you select the right pump for your specific application. Contact us for personalized recommendations.
Contact NAPCO Engineering