Solvent-based inks are essential for usage on packages of many types due to its usage on an extensive variety of exteriors and its properties of resistance to weather.These industries employ ovens or dryers to remove the solvents from the finished product.
 
The key hazard is an explosion from the buildup of solvent vapors in the oven or dryer atmosphere. This buildup could occur by a malfunction in the production process such as: a sudden or improper amount of coating, a change in ventilation controls or excessive speed. In any of these cases, the concentration of flammable vapor has an opportunity to rise above safe levels, creating a potentially explosive mixture of vapor in air.
 
The design specification for safe operation of a solvent oven or dryer is outlined in safety and fire codes. The codes limit the maximum solvent concentration allowable to 25% of the LFL under worst case operation. However if a flammable vapor analyzer is installed as a safety control the maximum allowable concentration is 50% LFL. Our PrevEx analyzers are the only analyzers that meet all the requirements of the NFPA standards.
 
In addition, the analyzers:
  • improve the efficiency of the process
  • significantly lower process energy requirements

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