{HEAD ~ The valve} is closed by applying {TAIL ~ an actuating pressure} to an exterior side of the second diaphragm such that the second diaphragm mechanically causes the first diaphragm to close the fluid flow path between the inlet and outlet port 
{ HEAD ~ The valve } is closed by applying { TAIL ~ an actuating pressure } to an exterior side of the second diaphragm such that the second diaphragm mechanically causes the first diaphragm to close the fluid flow path between the inlet and outlet port
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL 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