Oil-proof managing product. Nominal Diameter (A): 50; Nominal Diameter (B): 2; Height: 4.3 inches (108 mm); Face Distance (in.): 7.0 inches (178 mm); Cv Maximum Diameter: 19.7 inches (500 mm); Inner Diameter: 2.0 inches (50 mm); Maximum Pressure: 1 MPa (at 140 °C); Country of Origin: Taiwan; Weight: 18.7.7 lbs (8.2 kg). Please be aware that payment cannot be specified on delivery or time zone. ●Okinawa and remote islands require separate shipping fees, so please contact us. Please note that this product cannot be picked up in store.