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 VACUUM/TEMPERATURE RATINGS. PIPING SYSTEM 
 
Material Temp.oC 25 40 50 80 100 150 200 250 300
PTFE 20 Full Full Full Full Full Full Full Full Full
  100 Full Full Full Full Full Full Full Full  
  175 Full Full Full Full Full Full Full    
  230 Full Full Full Full Full Full      
PVDF 20 Full Full Full Full Full Full Full Full Full
  80 Full Full Full Full Full        
  138 Full Full Full Full Full        
PP 20 Full Full Full Full Full Full Full Full Full
  93 Full Full Full Full Full Full Full Full  

Limits of vacuum service are established by methods which comply with the relevant ASTM standards for lined piping. 

For PTFE lined pipes of sizes 150 NB and above, factory should be consulted for selection of liner with optimum thickness which would be most ideal for pipes to operate under partial / full vacuum conditions.

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