:::::::::: DK. TMI INTL ::::::::::
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NO.1 Butterfly valve
DK T.M.I INTERNATIONAL

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  CUSTOMER SUPPORT  Technical Data  Materials
Elastomer's charactrictic and properties are derived from the manufactures and purely indicative.
It means that actual working conditions and limit may differ from the values referred.
Since many factors influence corrosion and abrasion due to type of fluid, concentration, temperature, turbulence, impurities and etc, the final choice is to be taken care by the customer.
 
Material General Application  
Service
Temperarture
Not recommended for
EPDM      
Water-Steam  -30℃ to + 110℃  
Sea Water   Hydrocarbons
Brine   Oils
Esters   Fats
Alkalis   Greases
Ozone    
Ketones    
Alcohols    
Brake Fluid    
Treated Water With Caustic soda    
     
NBR      
Hydrocarbons -20℃ to + 90℃  
Natural Gas   Solvents
    Benzene
Oil and Fat   Xylol
Air    
Gasoline    
     
SBR Acids and Alkalis -20℃ to + 80℃  
     
VITON      
Acids, Oils -10℃ to + 120℃ Steam, Ester
Hydrocarbons   Freon 22, Alkalis
    Solvents, Kentons
     
SILICONE      
Food -30℃ to + 120℃ Steam, Ester
Beverage   Solvents
    Hydrocarbons
TEFLON      
Solvents -40℃ to + 150℃ Fluid Containing
Corrosive Products   Powders
    Alkaline
    Gaseous Fluorine
     
NEOPRENE      
Acid, Ozone, Oils    
Fats -18℃ to + 90℃ Kentones, Thinners
Greases   Concentrated Acid
solvents    
     
 
  JIS(CASTING) ASTM(CASTING) JIS(BAR) ASTM(BAR) JIS(PLATE) ASTM(PLATE) JIS(BOLT) ASTM(BOLT) ASTM(NUT)
Cast Iron FC200 A126 CLB - - - - - - -
Cast(Carbon) Iron SC480 A216 WCB - - SS400 A36 SS400 A307 Gr.B A307 Gr.A
Sainless Steel SCS13(SUS304) A351 CF8 SUS304 A276 T304 SUS304 A240 T304 SUS304 A193 B8 A194 B8
SCS14(SUS316) A351 CF8M SUS316 A276 T316 SUS316 A240 T316 SUS316 A193 B8M A194 B8M
SCS16(SUS316L) A351 CF3M SUS316L A276 T316L SUS316L A240 T316L SUS316L A193 B8MA A194 B8MA
SCS19(SUS317L) A351 CF3 SUS317L - - - - - -
- - SUS630 A564 T630 - -      
- - SUS410 A276 T410 SUS410 A240 T410      
Nodular Cast Iron FCD450 A536 Gr65(-45-12) - -   - SNB7 A193 B7(SCM440) A194 2H(S45C)
Ductile Iron Casting FCD400 A536 Gr60(-40-18) - - - - - - -
Aluminum Bronze ALBC1 B148 C95200 - - - - - - -
ALBC2 B148 C95400 - - - - - - -
ALBC3 B148 C95800 - - - - - - -
NOTE . ◈ Cr14% = SUS410
  ◈ FCD = Nodular Cast Iron
  ◈ Carbon Steel = Mild Steel is called
  ◈ DIN . 4529 = Duplex
  ◈ DIN . 4539 = 317SS