Technical Library
Resources & Technical Guides
Technical guides, pump selection resources, and engineering articles for industrial fluid transfer. Everything you need to make informed decisions for your applications.
24 Guides5 Categories
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
Read Article →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
Read Article →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
Read Article →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
Read Article →Pump Selection Guides
Comprehensive guides for selecting the right pump technology and sizing for your application.
Gear Pumps vs. Progressive Cavity Pumps
Cross-vertical comparison of pump technologies for industrial applications
Read Article →How to Size a Rotary Gear Pump
Step-by-step pump sizing guide with flow, pressure, and viscosity considerations
Read Article →PA200S Stainless Steel Gear Pump: Spec Guide
Specifications, applications, and selection guidance for the 2″ stainless steel PA200S
Read Article →Material & Construction
Technical guides for selecting the right materials and construction for your environment.
Nitrile vs. Viton Gears: Material Selection Guide
When to use each gear material based on chemical compatibility and temperature
Read Article →Stainless Steel vs. Ductile Iron Pumps
Housing material selection for different applications and environments
Read Article →Ductile Iron Gear Pumps for Industrial Fluid Transfer
Metallurgy, best-fit fluids, PA200C vs. PA300C selection, and how they differ from hydraulic gear pumps
Read Article →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
Read Article →Pumping Ammonium Nitrate Emulsion & ANFO
Which AN products can be pumped, why stainless steel is required, and pump selection for emulsion matrix and AN solution transfer
Read Article →High-Viscosity Adhesive Pump Guide
Pumping solutions for adhesives, sealants, and resin-based materials
Read Article →Gear Pumps for Chemical Transfer
Chemical processing pump selection and material compatibility
Read Article →Gear Pumps for Fuel & Petroleum Transfer
Petroleum terminal and fuel handling pump solutions
Read Article →Stainless Steel Gear Pumps for Food Processing
Material selection, sanitation, and best practices for food and beverage applications
Read Article →Rotary Gear Pumps for Explosives & Mining
Application guide for emulsion explosives transfer, sensitizer dosing, and mining process fluids with rotary gear pump technology
Read Article →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
Read Article →Maintenance & Service
Expert guidance on maintenance, repair, and field service best practices.
How to Rebuild a Rotary Gear Pump: PA200 & PA300 Guide
Step-by-step field rebuild of NAPCO PA200 and PA300 pumps — repair kit contents, tools, the 12-step procedure, gear clearance, and torque specs
Read Article →Rotary Gear Pump Maintenance Schedule & Checklist
Comprehensive maintenance schedules and checklists for daily, weekly, monthly, quarterly, and annual pump inspection and service intervals
Read Article →Field Maintenance for Rotary Gear Pumps
Maintenance schedules, repair kits, and field service best practices
Read Article →Pump Repair Kits vs. Full Replacement
Cost analysis, downtime comparison, and decision framework for rebuild versus replace
Read Article →Gear Pump Cavitation: Causes, Symptoms & Prevention
How to identify, troubleshoot, and prevent cavitation in rotary gear pumps — covering NPSH, inlet conditions, and system design
Read Article →Gear Pump Troubleshooting Guide
Diagnose and fix the eight most common gear pump problems: no flow, low pressure, excessive noise, seal leaks, overheating, vibration, and motor overload
Read Article →Need expert guidance?
Our engineering team is ready to help you select the right pump for your specific application.