The glass flow tube is made from mandrel drawn glass to ensure high accuracy, which allows interchangeability from {HEAD ~ flowmeter} to flowmeter with {TAIL ~ no change} in accuracy 
The glass flow tube is made from mandrel drawn glass to ensure high accuracy , which allows interchangeability from { HEAD ~ flowmeter } to flowmeter with { TAIL ~ no change } in accuracy
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH