{HEAD ~ The value} of {TAIL ~ 10 bar} is to be taken as an example, in special cases the prestress of the second non return valve is to be calculated with respect to the throttling action of the orifice 
of
{ HEAD ~ The value } of { TAIL ~ 10 bar } is to be taken as an example , in special cases the prestress of the second non return valve is to be calculated with respect to the throttling action of the orifice
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH