A control for a liquid level regulating system including a casing which is immersed in the liquid to {HEAD ~ a depth} at which control is to be effected, a loose flexible diaphragm closes the casing at {TAIL ~ the bottom} and is moved in accordance with the liquid head 
A control for a liquid level regulating system including a casing which is immersed in the liquid to { HEAD ~ a depth } at which control is to be effected , a loose flexible diaphragm closes the casing at { TAIL ~ the bottom } and is moved in accordance with the liquid head
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH