Vesconite wear rings offer pump operating advantage

Vesconite Bearings’ casing wear rings are proving so popular that they are currently the company’s most important wear component for the pump industry.

The wear rings are used to restrict the pressure leakage of the fluid between the inlet of the impeller and the pump casing in centrifugal pumps.

The wear rings are made from the thermoplastic Vesconite Hilube, which is a low-friction, wear-resistant polymer that replaces traditional metals such as bronze and stainless steel as well as other
thermopolymers.

Here are the benefits:

  • They replace metal components that require large running clearances to avoid metal-on-metal contact
  • Metal-on-metal can result in galling and unwanted pump vibration, as well as severe damage to the pump
  • They improve efficiency since tighter running clearances can be applied
  • They do not require pump redesigns, since they can fit into the same housings used by metal wear rings and, because they are press fit, do not require mechanical fitment or glue
  • They can be easily machined from a variety of tube stock or they can be machined for use using Vesconite Bearings’ machining capability
  • They are impervious to salt-water corrosion and thus are ideal for sea water and reverse osmosis pumps where galvanic corrosion may destroy stainless steel wear rings
  • They resist cavitation, a problem often encountered with metal wear rings
  • Vesconite Hilube is approved, including by NSF61 and WRAS, for drinking water applications

This partner content was brought to you by Vesco Plastics. For more information please visit www.vesco.com.au

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