Y1, Y2, Y3 series self-operated valve are control devices draw their energy from the process medium which creates sufficient force to move the final element. Y1 series are single seat construction, Y2 series are two seats and Y3 are caged type.
Bellow sealed bonnets are available for theses series.
Y1 Pressure unbalanced plug type
Y2, Y3 Pressure balanced plug type
DN15~DN200 / ½"~8"
PN1.6~6.3 / ANSI 150~600Lb
-5~75℃, -5 ~250℃
WCB, CF8, CF8M, CF3M
ANSI Ⅳ、 Ⅴ or Ⅵ