Pressure Regulator for Air, Gas GD-400 / 0.005 ~ 0.2 Bar, Flange 1/2 ~ 1

Type : Air & Non-Combustible Gas
Features : Extreme Low Pressure controls
Inlet Pressure : Air - 4 Kg/Cm2
Reduced Pressure : Air - 0.005 ~ 0.2 Kg/Cm2
Spring Options : GD-400 : A / 0.005 ~ 0.014 Kg/Cm2
Spring Options : GD-400 : B / 0.012 ~ 0.033 Kg/Cm2
Spring Options : GD-400 : C / 0.03 ~ 0.08 Kg/Cm2
Spring Options : D - 0.07 ~ 0.2 Kg/Cm2
Temperature : 60 C
Size : 1/2" ~ 1"
Connection : Flange JIS 10K
Body : Cast Iron
Trims : Disc Seal / NBR. Seat / Stainless Steel

Yoshitake GD-400 is ideal for Extremely Low Pressure controls. It is Direct, Diaphragm Operated PRV that offers Accurate and Stable controls. Used widely in Lab and Specialty Gas Company.
https://www.yoshitake-inc.com/prod/product?no=42