A pipe connector for making {HEAD ~ a plurality} of {TAIL ~ first pipes} communicate with a plurality of second pipes so that a fluid may flow through the first pipes and the second pipes, comprising: 
A pipe connector for making { HEAD ~ a plurality } of { TAIL ~ first pipes } communicate with a plurality of second pipes so that a fluid may flow through the first pipes and the second pipes , comprising :
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL 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