D371F46 Semi-lined Butterfly Valve

• 

• Design

  
  

  Design: HG/T 3704 / API 609

  
  

  Structure: HG/T 3704 / GB/T 12221 / API 609

  
  

  Flange: HG/T 20592 / ASME B16.5

  
  

  Pressure: GB/T 13927 / API 598

  
  

  Sign: GB/T 12220

  
  

  Supply: JB/T 7928