It is used in all the applications where it is necessary to eliminate the loss of fluid and contamination of the circuit.
61 in Hex, 3.Skid Steer Coupling, 3571 PSI, 3/4 SAE F Thread, 3/4 F Flat Face Stucchi® Flat Face Coupler, FIRG Series, Coupling Fitting, 3/4 in Connection Size 1, Female Connection Type 1, 3/4 in Connection Size 2, SAE Connection Type 2, Female SAE Connection, Steel, Carbon Steel Material Construction, Zinc-Plated, 1.89 in OD, NBR Seal Material, ISO 16028 Flat face style.49 in L, 4785 psi Maximum Operating Pressure, -20 to 100 deg C Operating, 1.