We always recommend you use
them. But do you know if you are using the right ones?
Ours are color
coded to make it easier to see if you have the right one. The hose DN (inner diameter) is only as reference. It is the outer diameter that should be taken into account.
And the outer diameter depends on the pressure rating for the hose and also what type of cover there is on the hose.
In the brochures for our hoses you will be able to see the outer diameter. And if in doubt, we can always help.
