Description
Technical Specifications
321 Control Valve is mainly used in sulfuric acid, phosphoric acid, ethyl acid, acetic acid industry. Compared with 304, 321 contains Ti element, so it has better resistance to intergranular corrosion.
Size: 1/2"~12"（DN15~DN300）
Pressure Rating: ASME CLASS 150~600 (PN16~PN100)
Seat Leakage：ANSI Ⅳ(0.01%) or Ⅵ(bubble-tight)
Actuator Type:Pneumatic,Electric,Manual
Bonnet Type：Standard
Connection Type:Flange,Welding,Thread
