“IFR” is a coupling series with a special sealing mechanism that minimizes the loss of oil during the disconnection. This coupling is made of high strength steel with Cr III zinc plating and NBR sealing. These products are particularly well suited for braking circuit on machinery for agricultural and forestry according to ISO 5676. They are available in sizes 3/8” with metric threads (DIN 3852), BSP (DIN 3852) or other on request.