Belzona repairs a vacuum pump casing and protects it against cavitation

KHIA ID: 7899

Industry: Power (POWR)
Application: CEP-Centrifugal Pumps (CEP)
Substrate: Bronze

Customer Location: France
Application Date: March 2012

Products:
Belzona 2311 (SR Elastomer)

Belzona 2141 (ACR-Fluid Elastomer)

Problem: The casing of this pump was exposed to a severe cavitation causing important damages and perforations after only a few months.

Photograph Descriptions

1- Overview of the equipment

2- Zoom on the damages

3- Final application

Application Situation

Part of a casing on a vacuum pump

Application Method

Application was carried out using a modified version of Belzona System Leaflet CEP-7
Belzona 2311 was first used to rebuild the damaged area, then Belzona 2141 was used to protected the whole application against cavitation.

Belzona Facts

The replacement of this part of the pump casing is expensive but this application cost only 18% of the replacement price. Besides, the lifetime of this equipment was extended and no damages were noticed after 3 months in service.

View PDF

Download PDF