Industrial | Viking Pump - Leader in Positive Displacement Pumps

How REVERSIBLE Internal Gear Pumps Work

Hi! I’m Chad Wunderlich with Viking Pump and this is an internal gear pump. With each rotation of the gears, a set volume of liquid is moved from the inlet to the outlet. And if I were to reverse the direction of rotation, I reverse the direction of flow. Now this isn’t unique to internal gear pumps, other rotary pumps like external gear, lobe, and hose pumps exhibit this same behavior. But did you know it’s possible to make this internal gear pump deliver flow in just one direction, independent of the direction of rotation?

How mechanical seals work in pumps

Mechanical seals are extremely common in the pumping industry - and come in a wide range of materials and options. In its simplest form, a single component mechanical seal has two faces that contact and create a seal. These seal faces are lapped to a smooth, high quality finish. One face rotates with the pump shaft - while the other is held stationary in the pump housing. Once a small amount of process liquid reaches the seal faces, a hydrodynamic liquid film is created - this is what forms the seal and lubricates the faces.

image of bottle of wood glue being squeezed onto the edge of a piece of wood

How AxFlow and Viking Pump Helped an Adhesives Manufacturer Stick to Success

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Discover how AxFlow and Viking Pump partnered to solve a high-viscosity adhesive pumping challenge with innovative solutions like the QS1127A pump and O-Pro® Cartridge Seal—boosting performance, reliability, and customer satisfaction.

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When it comes to manufacturing adhesives like PVA wood glue, precision and reliability in pumping systems are essential. One adhesives manufacturer recently faced a challenge with their existing pump setup and turned to AxFlow, a trusted Viking Pump distributor, for a solution. What followed was a story of collaboration, technical innovation, and superior customer service.

Pumping Up Performance: How Viking Pump Helped Modernize Molasses Operations in Ireland Facility

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Discover how Viking Pump and Thomson Process modernised molasses operations in Ireland with high-performance RS324A and QS1124A pumps—boosting efficiency, reliability, and space-saving design in a demanding environment.

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When you think of molasses, you might picture a sticky, sweet syrup used in baking. But in the agricultural world, molasses plays a much bigger role. It’s a by-product of sugar refining and is prized for its high energy content and palatability—making it a key ingredient in animal feed.

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Pumping Ink: PD Gear Pump Solutions

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Discover how Viking Pump addresses the unique challenges of ink pumping with innovative solutions and a range of specialized pumps.

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Applications

Industrial

Liquids

If you’ve ever stopped to think about it, ink is everywhere. If it’s written down, stamped, or colorized, chances are ink helped make that happen. But pumping ink isn’t without its challenges. Luckily, Viking Pump has the right solutions for your industrial ink pumping needs.

Gear Pump Repair: A Comprehensive Guide to Replacing O-Rings in O-Pro® Guard Seals

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Discover a comprehensive guide to replacing O-rings in O-Pro® Guard seals for gear pumps. Follow our step-by-step instructions for a successful repair.

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Industrial

Seals

When it comes to internal gear pump repair, pumps with the O-Pro® Guard seal are straight forward. This article will walk you through easy to follow steps for replacing o-rings in an O-Pro® Guard seal specifically designed for pumps with the U-Plus™ bracket.

As always, before any work begins - make sure to read and reference the technical service manual for your pump. A copy of the latest revision can be found on the Viking Pump website.

Grease Transfer Pumps: Solutions for Efficient Grease Handling

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Grease is an essential component in various industries, ensuring that machinery and equipment operate smoothly. A grease transfer pump plays a crucial role in the efficient handling of grease, whether for automotive, industrial, or other applications. Here we will explore the characteristics of grease, the challenges associated with pumping it, and the grease transfer pump solutions offered by Viking Pump.

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Applications

Industrial

Liquids

895, 893, & 897 Series™ MagDrive Internal Gear Pump Repair

Welcome! In this video we will guide you through the disassembly and reassembly of Viking Pump’s 893, 895, and 897 Series™ mag drive internal gear pumps.

This video applies to these pump models: GG893, HJ893, HL893, AS893, AK893, AL893, GG895, HJ895, HL895, AS895, AK895, AL895, GG897, HJ897, HL897, AS897, AK897, AL897

Exploring Viking Pump's Foundry: A Leader in Manufacturing Gear Pumps

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by Robyn Watson - Sr. Marketing Coordinator

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Welcome to the Viking Pump foundry in Cedar Falls, Iowa, where we’ve been at the forefront of manufacturing gear pumps for decades. Our foundry is a cornerstone of our vertical integration capabilities, allowing us to produce castings and parts at speed.

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Universal Mag Drive, The Sealless Upgrade That Prevents Leakage and Fugitive Emissions

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by John Hall - Pump Consultant

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Viking Pump invented, patented and manufactured the very first sealless mag drive rotary positive displacement (PD) pumps in the world, and developed several series over time for different applications, including the first generation 825, 895 and 855 ™ internal gear pumps.

Of these first generation mag drive pumps, all had different footprints from their dynamically-sealed cousins with...

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