{TAIL ~ A flow limit shutoff valve} for automatically shutting off all flow between a source of high pressure gas and a pressure regulator when {HEAD ~ that flow} exceeds a preset flow rate 
{ TAIL ~ A flow limit shutoff valve } for automatically shutting off all flow between a source of high pressure gas and a pressure regulator when { HEAD ~ that flow } exceeds a preset flow rate
TAIL TAIL 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 HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH