TC2-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 TC2-B9-R3/8 7.2 41 6.0 28 1.4 times
12 TC2-B12-R1/2 10.0 79 8.0 50 1.6 times
15 TC2-B15-R1/2 13.0 133 11.0 95 1.4 times
19 TC2-B19-R3/4 17.0 227 15.0 177 1.3 times
25 TC2-B25-R1 23.0 415 20.0 314 1.3 times

Commercially available barb fittings