with single diaphragm, DS150, static pressure max 100 bar
with bellow, DS100-150, max static pressure 25 bar
with double diaphragm, DS100-150, max static pressure 200 bar
with double diaphragm, DS100-150, max static pressure 100 bar
with double diaphragm, DS100-150, max static pressure 400 bar
with double Bourdon tube, DS100
