Size: 3/4 Body with 3/4 NPT. This 3/4 coupler connects to its male equivalent. Benefits: Flush face valve design minimizes fluid loss and air inclusion. Zinc-nickel plating provides superior corrosion resistance. Hardened steel construction with hardened sleeves. Allows for minimal pressure drops. Locking sleeve helps prevent accidental disconnects. Nipple seal resists blow-outs. Interchangeable with other ISO 16028 standard couplings. Features: 5,076 PSI rating. 52 GPM Max Flow Rate. 28 GPM Nominal Flow Rate. Buna-N Seals with Teflon backup ring can operate up to 250° F. Female Face Diameter: 1.89 (48mm). Female Length: 3.84 (97mm). Hex: 1.61 (41mm). Includes: 1 Female Coupler.