service substance Natural gas, liquefied petroleum gas, air and other non-corrosive gas media Flow range （0～100）m/h working pressure range （0～15）KPa working temperature -20℃～+55℃ storage temperature -25℃～60℃ relative ...

service substance Natural gas, liquefied petroleum gas, air and other non-corrosive gas media Flow range （0～100）m/h working pressure range （0～15）KPa working temperature -20℃～+55℃ storage temperature -25℃～60℃ relative ...