Tee Non. Pipe Size mm. Dia. Normal Center to End of Run Center to End of Branch Nom. Pipe Size Nominal Center to End of Run Center to End of Branch Run Branch C M Run Branch C M 15 6 25 25 80 25 86 67 10 25 25 32 86 70 15 25 25 40 86 73 20 10 28 28 50 86 76 15 28 28 65 86 83 20 28 28 80 86 86 25 10 34 34 90 40 95 79 15 34 34 50 95 83 20 34 34 65 95 89 25 34 34 80 95 92 32 15 48 48 90 95 95 20 48 48 100 40 105 86 25 48 48 50 105 89 32 48 48 65 105 95 40 15 57 57 80 105 99 20 57 57 90 105 12 25 57 57 100 105 105 32 57 57 125 50 124 105 40 57 57 65 124 108 50 20 64 44 60 124 111 25 64 51 90 124 114 32 64 57 100 124 117 40 64 60 125 124 124 50 64 64 150 65 143 121 65 25 76 57 80 143 124 32 76 64 90 143 127 40 76 67 100 143 130 50 76 70 125 143 137 65 76 76 150 143 143