U type Flanged butterfly valve for Acid alkali

• Simple  Structure,good interchangeability and low price
•  The steam seal isnot easily deformed to aviod the normal stem leakage,and the overall support is good,stable and firm
• With less seat rubber,there is less potential for expansion and it is easier to control the torque within the proper range.
• The use of two piece valve stems with no pin connection,the structure is simple and compact,and maintenance and disassembly are very conveient.
• The butterfly Disc has the function of automataic center, and the butterfly dis and valve seat are closely matched 0.The phenolic back valve seat has the characterristics of not falling off,tensile resistance,leakage prevention and easy replacement
• Surface:Polyester,RAL9006,100μ
• Face to face:EN558-1
• Counter flange:DN40-DN300,PN10/PN16/ANSI150
• BS10 TABLE D/E,JIS10K,16K
• DN350-DN600 PN110 or ANSI150 BS10 TABLE D/E

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  http://www.mihemachinery.com/uploadfile/2018/0620/20180620073022198.pdf
  
  http://www.mihemachinery.com/uploadfile/2018/0620/20180620072934607.pdf
  
  http://www.mihemachinery.com/uploadfile/2018/0620/20180620072950610.pdf
  
  http://www.mihemachinery.com/uploadfile/2018/0620/20180620073105332.pdf