There are currently three variations of the O-Pro® seal – the barrier, cartridge, and guard.

O-Pro® Barrier Seal

Viking Pump's O-Pro® Barrier seal is designed to replace packing and create a robust seal helps minimize pump leakage.

The O-Pro® Barrier seal, when installed, replaces the traditional bracket bushing and utilizes two sets of standard FKM o-rings (these can be exchanged based on customer needs) that create a sealing area between the seal and shaft and keep process fluid out of the bracket.

 

Application specific grease is injected into the bracket and fills the space between the seal and shaft.

 

The O-Pro® Barrier seal is designed for a number of applications like chocolate, peanut butter, molasses, wax, grease, starch adhesive, oils and more.

In this video, learn how to install an O-Pro® Barrier seal: https://youtu.be/nz0fP5OkjeY

 

O-Pro® Cartridge Seal

Viking Pump's O-Pro® Cartridge seal is stainless-steel and designed to meet the needs of many difficult to seal processes.

The O-Pro® Cartridge seal utilizes two internal FKM (or FFKM for high temperature or corrosive applications) o-rings and one flat gasket to create a sealing area between the seal and shaft - as well as a keep process liquid from leaking out of the bracket.

 

 

Application appropriate grease is injected into the grease fitting and fills the space between the two internal o-rings to lubricate the seal and shaft.

 

 

The O-Pro® Cartridge seal is designed for a number of applications including corn syrup, edible oils, paint, ink, grease, resin and more. With it's stainless steel construction, it meets the needs of many stainless steel processes.

In this video, learn how to install an O-Pro® Cartridge seal: https://youtu.be/ts8CNhWxu4s

 

 

O-Pro® Guard Seal

Viking Pump's O-Pro® Guard seal is stainless-steel and designed to meet the needs of many difficult to seal processes and extend the life of the pump.

 

The O-Pro® Guard seal utilizes two sets of internal FKM o-rings (or FFKM for high temperature or corrosive applications). One pair is on the inside of a protective sleeve that is set to the shaft and another pair on the inside of the seal gland itself creating a sealing area between the seal and shaft - as well as a keeping process liquid from leaking out of the bracket. One flat gasket is used between the seal gland and bracket.

The protective sleeve prevents wear to the shaft that may be caused by o-rings that are in direct contact with the shaft.

 

 

Application appropriate grease is injected into the grease fitting and fills the space between the two internal o-rings to lubricate the seal sleeve and gland.

 

The O-Pro® Guard seal is designed for a number of applications including corn syrup, edible oils, paint, ink, grease, and more. With it's stainless steel construction, it meets the needs of many stainless steel processes.

In this video, learn how to install an O-Pro® Guard seal: https://youtu.be/FI8pdh4bcFE