Type : Diaphragm, Two Stage
Inlet Pressure : 310 Bar
Reduced Pressure : 1 ~ 17.2 Bar
Temperature : -40 ~ 60 C
Cv : 0.06
Body : Brass ( Nickle Plated ), SS 316L
Tescom SG 2 series is 2 stage regulator.
https://www.emerson.cn/en-cn/catalog/tescom-sg-2-two-stage-en-sg