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VOL XI, NO 46

Belzona® Refurbishment Of Vacuum Pump

 
 

Industry:

General Industry (GIND)

 
 

Application:

Positive Displacement Pumps (PDP)

 
 

Customer Location:

Australian brewery

 
 

Application Date:

1993

 
 

Application Situation:

Siemens Elmo vacuum pump from drum filter

 
 

Problem:

Severe erosion corrosion of port plates, body and rotor caused by poor quality sealing water resulting in corrosion, plus carry over of diatomatious earth causing erosion.

 
 

Products:

Belzona® 1311 (Ceramic R-Metal)

Belzona® 1321 (Ceramic S-Metal)

 

Substrate:

Steel

 
 

Application Method:

Application was carried out in accordance with Belzona Know-How leaflets PDP-5 and FBC-11. Port plates were restored by forming correct dimensions and critical areas on the body were re-built and machined to size before coating with Belzona® 1321

 
 

Belzona Facts:

Replacement costs were over $12,000.00. Belzona application was aproximately 1/3rd this and more importantly Belzona repairs on vacuum pumps have been shown to far outlast the original equipment life.

 
 

Photographs Description

  1. The degree of erosion corrosion clearly evident on the port plates and body 
  2. The restored body  
  3. The coated rotor with reformed port plates in background
 
 
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For more information about Belzona visit: www.belzona.com