The first current to pressure converter is disposed in {TAIL ~ pneumatic signal transmitting relation} to {HEAD ~ the controllable inlet valve} 
The first current to pressure converter is disposed in { TAIL ~ pneumatic signal transmitting relation } to { HEAD ~ the controllable inlet valve }
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD