It used to main engine starting when the controller start the main engine.
B-type is made up of steel body, shell cover, manhole for easy examination and repair set in shell cover, inlet/outlet valve, safety valve, pressure gauge and pressure gauge valve, drain valve, installation seat ect.
Notice:
The specification is according to its volume and working pressure, you can choose as CB/T493-1998. You also can give us parameter concerned, we will provide non-standard products