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