first support means for detachably supporting the valve body aligned with a hole having a slot permitting passage of the valve body for alignment with the hole and limiting {HEAD ~ movement} of a flange on the valve body through {TAIL ~ the slot} 
through
first support means for detachably supporting the valve body aligned with a hole having a slot permitting passage of the valve body for alignment with the hole and limiting { HEAD ~ movement } of a flange on the valve body through { TAIL ~ the slot }
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 OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL