Notice(the way of choose T clamp):
1.Calculate your hose Outside Diameter : Hose Outside Diameter = Hose inner Diameter + 2 X Hose thickness
Then,you can Calculate that if your hose is belonged to the clamp range.

2.The value of your hose Outside Diameter should be larger than the first value of the clamp range, less than the second.

For example, your hose inner diameter is 63 mm, and hose thickness is 5 mm, then your hose outside diameter is 63+5*2=73 mm, so you need to choose this clamp: clamp range from 68-76mm
If you still have question choosing your size please email us thank you