The ISO 7241 B Series of quick disconnect couplers are used on a large spectrum of hydraulic applications with strenuous quality standards such as the aerospace, automotive, electronics industries. They are also recommended for general purpose, machine tools, mobile hydraulics, and other equipment applications. Our Series B couplers are interchangeable with all ISO 7241 B series couplings. Body Size: 3/4 Body. Thread Size: 3/4 NPT Thread, Poppet Valve. This 3/4 coupler set consists of a male and female quick coupler. Body Material: Hardened steel. Self Sealing Poppet Valve Seals Excellent Under High and Low Pressures. Interchangeable with all ISO 7241 B series couplings. 3,600 PSI Rating. Nominal Flow Rate: 28 GPM. Max Flow Rate: 58.12 GPM. Seal Type: Nitrile Buna-N. Female Face Diameter 2.05 (44mm). Female Length: 3.54 (90mm). Hex: 1.34 (27mm). Male Face Diameter 1.24 (31.5mm). Male Length: 2.28 (58mm). Applications: Hydraulic fluids, Water Diesel / Petroleum. What's Included: Female Coupler, Male Coupler.