TC3-B cross-sectional area ratio

Nominal diameter TOYOCONNECTOR Commercially available barb fittings Sectional area comparison Effective
(vs commercially available barb fittings)
Part Number Inside diameter Effective sectional area Inside diameter Effective sectional area
mm mm2 mm mm2
9 TC3-B9-R3/8 7.0 38 6.0 28 1.4 times
12 TC3-B12-R1/2 10.0 79 8.0 50 1.6 times
15 TC3-B15-R1/2 13.0 133 11.0 95 1.4 times
19 TC3-B19-R3/4 17.0 227 15.0 177 1.3 times
25 TC3-B25-R1 22.5 398 20.0 314 1.3 times

Commercially available barb fittings