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Hydraulic couplings – Determine size

Hydraulic couplings are used for quick connection and disconnection of hydraulic lines. There is a suitable coupling for a wide range of applications and installation situations. Likewise, there are different sizes of the same type of coupling depending on the required flow rate, pressure range and dimensions.

You can find out how to determine the size of a coupling here: Depending on the coupling type, there are different measurements that must be taken to determine the size of a coupling.

  • Quick coupling, flat sealing coupling, maximum pressure coupling and brake line couplingFor these coupling types, please measure the outer diameter of the sliding sleeve for couplings and the outer diameter of the front plug part for plugs to determine the size.

Sleeve:

Plug:

  • Screw coupling, standard pipeline coupling, ARGUS pipelinecouplingFor these coupling types, please measure the outside diameter of the coupling thread for couplings and the coupling thread of the screw sleeve for plugs to determine the size.

Sleeve:

Plug:

In our
Coupling Catalog
you will find the dimensions that apply according to each size. Simply look for the corresponding value on the product in the “ø (mm)” column.

We will be happy to help you!
If you have any questions about hydraulic couplings, simply contact our in-house and field service experts, who will be happy to help you at any time.