The spring 13 is supported at the bottom end of the cup shaped design and urges a closing part 16 away from the valve seat 15 against {HEAD ~ a bearing region} 17 arranged on {TAIL ~ latching} means 18, 19 
arranged on
The spring 13 is supported at the bottom end of the cup shaped design and urges a closing part 16 away from the valve seat 15 against { HEAD ~ a bearing region } 17 arranged on { TAIL ~ latching } means 18 , 19
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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH