Nominal Diameter: 1.0 inches (25 mm); Nominal Diameter: 0.0 inches (1 mm); Face to Face: 3.5 inches (90.0 mm); Pressure: 10 K; Connection: Screw: JIS B0203; Body Material: CAC911; Ground Seal Material: Non-Marbled Cotton; Zisque Material: C6803. :1/4B ~3/4BCAC911: 1B ~ 2B ● Code Number: 0302JN0025