Sealless Mag Drive

Comprised of two independent shafts; one connects to the drive and other connects to the pumping elements. A magnetic coupling transmits the rotation of the drive shaft to the driven shaft inside the pump. Click here to view the Pump Report on this topic.

Lip Seal

Consists of a flexible elastomeric lip in a rigid housing. The lip seal is stationary and the shaft rotates inside. Click here to view the Pump Report on this topic.

O-ring Seal

Any seal consisting of one or more elastomeric O-rings. These may be static seals wherein there is no relative motion between parts (i.e. an O-ring seal between a pump casing and bracket) or dynamic seals wherein the seal is created between a moving shaft and a stationary housing (i.e. O-Pro® shaft seals)

new modular pump with fresh guard seal installed

Converting from Packing to the O-Pro® Guard Seal in Viking Pumps

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by Joe Barloon - Digital Media Manager
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Learn how to efficiently convert your Viking Pump from packing to the innovative O-Pro® Guard seal. Step-by-step guide with essential tips inside!

Categories
Seals

For decades, Viking Pump's Universal product line has been capable of switching between many different seal types. In this article, we'll cover the basic steps for converting your pump from packing to Viking Pump's O-Pro® Guard seal.

Before you begin, please consult the appropriate technical service manual for safety information.

 

Step 1: Disassembling the Pump

Start by removing the stainless-steel window guards from the bracket.

close up of an o-pro guard seal

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

Author / Byline
by Joe Barloon - Digital Media Manager
Search Description

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.

Categories
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.

 

How Pump Packing Works - Animation

Packing is one of the most common and simplest seals for positive displacement pumps. Packing consists of braided or formed rings that are compressed inside the stuffing box of a pump. As the packing gland is tightened, the packing is compressed against the shaft and the inside of the stuffing box bore - creating a seal. When the pump is operating, process liquid cools and lubricates the packing. The pump must leak or "weep" slightly to ensure proper lubrication. Packing is one of the oldest forms of shaft sealing. Original packing was made of materials such as leather or rope.

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