Regulator 44-1100 series / Single Stage, SS 316, 690 Bar, Cv 0.06, Screw 1/4"

Type : Piston, Single Stage
Inlet Pressure : 690 Bar
Reduced Pressure : 34.5 ~ 414 Bar
Temperature : -40 ~ 75 C
Cv : 0.06
Size : 1/4"
Connection : Screw NPT
Body : Stainless Steel

Tescom Regulator 44-1100 series is High Pressure Low Flow single stage Regulator.
https://www.emerson.com/en-us/catalog/tescom-44-1100