a flap rotatably provided inside the hollow space of the valve housing, said flap having a first portion disposed adjacent to {TAIL ~ the inlet pipe} and a second portion disposed adjacent to the supply line, said flap further having an axle extending through a front side of the valve housing, said second portion of the flap having a distal end which forms {HEAD ~ a clearance} with an inner wall surface of the valve housing inside the hollow space 
a flap rotatably provided inside the hollow space of the valve housing , said flap having a first portion disposed adjacent to { TAIL ~ the inlet pipe } and a second portion disposed adjacent to the supply line , said flap further having an axle extending through a front side of the valve housing , said second portion of the flap having a distal end which forms { HEAD ~ a clearance } with an inner wall surface of the valve housing inside the hollow space
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH