The valve comprises a valve chamber, a valve chamber seat with an inlet gas port or ports to the interior of the container and {HEAD ~ a resilient diaphragm} floating within {TAIL ~ the chamber} 
floating within
The valve comprises a valve chamber , a valve chamber seat with an inlet gas port or ports to the interior of the container and { HEAD ~ a resilient diaphragm } floating within { TAIL ~ the chamber }
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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL