A Step-by-Step guide to help you find the right size and type of tube/wire fitting for any application
1. What Size Do I need?
When buying any tube inserts, end caps & wire fittings the first thing you need to do is know how to measure tube / piping so you can determine which size of fitting you need. Depending on which type of fitting you decide on there are 2 measurements you will need to know; the outside / external dimensions, and for internal fitting tube inserts you will also need to measure the wall thickness / gauge size.
a. How to measure the outside dimensions
If you don’t have a Vernier you can also use a ruler to measure the dimensions
Measure the distance represented by the solid line to the outside of the tube/wire.
b. How to measure the wall thickness / gauge
If the wall thickness of an insert isn’t listed on our website then it’s generally 1-2mm or 14/20 gauge.
2. Tube Insert Or External Fitting Ferrule?
The final thing to decide is which type of fitting you need. Here at we BPF we have a range of different Inserts and ferrules for various applications: