The Ahlstrom APT 44-8 is single-stage pump and is an extremely common pump in the pulp mill process. Many mills have multiple Ahlstrom APT 44-8 pumps in service, but only have few spare units, like our customer International Paper in Mansfield, Louisiana. This means having the right choice in bearing protection is a large factor in helping these pumps reach their planned maintenance cycles so the mill doesn't feel the pain of downtime. Isomag bearing isolators are the seals chosen by the maintenance team to make sure the MTBF is long.

What are the features of Isomag bearing isolators and why are they so beneficial to your Ahlstrom APT 44-8?

The benefits of an Isomag bearing isolator are:

  • Magnetic Closing Force – “Magnetic energy is used to create a closing force keeping the seal faces in positive contact.”

  • Seals in all positions: horizontal, vertical, angled, rock and roll

  • Seals in all types of bearing lubrication: splash, flooded, forced, oil mist

  • Seals during stand-by

  • Easily installed by hand

  • Removable without damage to the isolator or equipment

  • Face seal that rotates with the shaft

Your Ahlstrom APT 44-8 will benefit from Isomag bearing isolators by providing a positive seal that prevents leakage, protects against the ingress of internal contamination, and provides years of reliable service. As the pioneers in the magnetic bearing isolator market, Isomag continues to bring innovation and technology in an effort to extend rotating equipment life.

A brochure for Isomag bearing isolators for pumps can be found here. Also as a reminder, Isomag bearing isolators can be custom made to fit your machine. Contact our customer service team and we will help you find the ideal solution for your needs.

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