Nominal dia. TOYOCONNECTOR Leading barb fitting products Surface area ratio
(to leading barb fitting)
Product no. Inner dia. Effective surface area Inner dia. Effective surface area
mm mm2 mm mm2
32 TC6-B32-R1-1/4 28.5 638 26.0 531 20% more
38 TC6-B38-R1-1/2 34.0 907 31.0 755 20% more
50 TC6-B50-R2 44.0 1520 41.0 1320 20% more
Surface area ratio