Malleable cast iron unequal tee (Increasing tee) has a T shape to get its name. The branch outlet has a lager size than the main outlet, and it is used to create a branch pipeline to 90 degree direction.
Available size
| Size |
A (mm) |
Ref. No. |
| 1/2″ x 1/2″ x 3/4″ / DN15 x DN15 x DN20 / 21.3mm x 21.3mm x 26.9mm |
31 |
M1110 (UL/FM) |
| 1/2″ x 1/2″ x 1″ / DN15 x DN15 x DN25 / 21.3mm x 21.3mm x 33.7mm |
34 |
M1113 (UL/FM) |
| 3/4″ x 3/4″ x 1″ / DN20 x DN20 x DN15 / 26.9mm x 26.9mm x 33.7mm |
36 |
M1114 (UL/FM) |
| 3/4″ x 3/4″ x 1-1/4″ / DN20 x DN20 x DN32 / 26.9mm x 26.9mm x 42.4mm |
41 |
M1117 (UL/FM) |
| 1″ x 1″ x 1-1/4″ / DN25 x DN25 x DN32 / 33.7mm x 33.7mm x 42.4mm |
42 |
M1118 (UL/FM) |
| 1″ x 1″ x 1-1/2″ / DN25 x DN25 x DN40 / 33.7mm x 33.7mm x 48.3mm |
46 |
M1123 (UL/FM) |
| 1″ x 1″ x 2″ / DN25 x DN25 x DN50 / 33.7mm x 33.7mm x 60.3mm |
52 |
M1129 (UL/FM) |
| 1″ x 1″ x 2-1/2″ / DN25 x DN25 x DN65 / 33.7mm x 33.7mm x 76.1mm |
60 |
M1134 (UL/FM) |
| 1-1/4″ x 1-1/4″ x 1-1/2″ / DN32 x DN32 x DN40 / 42.4mm x 42.4mm x 48.3mm |
48 |
M1124 (UL/FM) |
| 1-1/4″ x 1-1/4″ x 2″ / DN32 x DN32 x DN50 / 42.4mm x 42.4mm x 60.3mm |
54 |
M1130 (UL/FM) |
| 1-1/2″ x 1-1/2″ x 2″ / DN40 x DN40 x DN50 / 48.3mm x 48.3mm x 60.3mm |
55 |
M1131 (UL/FM) |
| 1-1/2″ x 1-1/2″ x 2-1/2″ / DN40 x DN40 x DN65 / 48.3mm x 48.3mm x 76.1mm |
63 |
M1136 (UL/FM) |
| 2″ x 2″ x 2-1/2″ / DN50 x DN50 x DN65 / 60.3mm x 60.3mm x 76.1mm |
66 |
M1137 (UL/FM) |
| 2″ x 2″ x 3″ / DN50 x DN50 x DN80 / 60.3mm x 60.3mm x 88.9mm |
73 |
M1144 (ISO) |
| 2-1/2″ x 2-1/2″ x 3″ / DN65 x DN65 x DN80 / 76.1mm x 76.1mm x 88.9mm |
76 |
M1145 (UL/FM) |
| 2-1/2″ x 2-1/2″ x 4″ / DN65 x DN65 x DN100 / 76.1mm x 76.1mm x 114.3mm |
92 |
M1152 (UL/FM |
Note: NSF 61 certificate is available for M1110 ~ M1152.
