Canadian Finishing and Coatings Manufacturing

 

October 27, 2022

 

AS PumpAlthough stainless steel is a common material for parts and machines throughout the pharmaceutical manufacturing industry thanks to its known corrosion resistance, not every stainless-steel alloy can resist corrosion when exposed to certain chemicals or conditions. And when it comes to ensuring the reliability of machinery, mitigating the effects of frequent washdowns and the threat of corrosion are part of the territory.

A pharmaceutical injectables manufacturer was experiencing corrosion problems in production equipment. Its facilities engineering manager contacted General Magnaplate—which specializes in surface enhancements for metals and other substrates—about a stainless-steel condensate pump housing and cover assembly that undergoes a standard cleaning and maintenance cycle. Maintenance personnel sometimes added a chlorine-based cleaning solution but at other times used an ammonia-based cleaning agent in the company's clean in place (CIP) process. These chemicals caused the stainless-steel condensate pump to corrode.

To address the problem, Magnaplate’s technical support group recommended Lectrofluor, which is particularly effective against severe corrosion and chemical attack. Lectrofluor is a polymer-based coating that is well-suited for food and drug manufacturing applications and offers the following features:

  • USDA and FDA compliance
  • Dry lubricity for low coefficient of friction
  • Prevents galling
  • Heat stability
  • Self-lubricating properties for extended wear
  • Mold release properties

Preventing corrosion of stainless-steel parts is not always a straightforward endeavor, especially when harsh, caustic chemicals contact the surfaces. After several months of successful pump cleaning and maintenance without any recurring corrosion issues, the customer reported that the Lectrofluor-coated pump "looks as good as the day it first arrived coated."

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New Bacharach Sling Psychrometer


CFCM slingpsychrometer 400Paul N. Gardner USA, global distributors, producers, and designers of quality physical and inspection instruments for the paint, coatings, and related industries, has introduced a new offering: The compact, portable Sling Psychrometer.

As an easy way to measure relative humidity levels quickly, this uniquely compact Bacharach Sling Psychrometer accurately determines per cent relative humidity without the necessity of consulting complex tables. There is no need to wet the wick each time a reading is taken, and it contains a slide rule calculator which correlates wet and dry bulb thermometer indications for direct reading of relative humidity. When not in use, the thermometer case telescopes into the handle for protection.

The Sling Psychrometer consists of two thermometers that are turned by vigorously swinging the handle and exposing the thermometers to rapid air movement. These two thermometers are called dry bulb and wet bulb. The bulb of one thermometer is placed in direct contact with the room air to measure dry-bulb air temperature. The bulb of the other thermometer is covered with a silk or muslin sleeve that is kept moist to record the wet bulb temperature. Evaporation cools the wet bulb more than the dry bulb, and the humidity is obtained as a function of change in temperature. The atmospheric humidity is determined by calculations, steam tables, or using a psychrometric chart. Gardco.com  

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