60 Series Nipples (Hydraulic, fluids, gas, steam) up to 5000 PSI, connect with ISO 7241 Series B, 60 Series Couplers. Parker foots 60 Series have double shut-off poppet valves and are interchangeable with other Quick disconnects complying with ISO 7241 Series B. These general purpose Quick couplings are available in a wide range of sizes and materials to be versatile for use with several fluids, including hot steam. For pressures up to 5000 PSI.