... supplier, factory, wholesale, cheapU-type Discharging ValveP13 Charging Valve product structure: long life, self-lubricating seal ring made ... of pipeline, discharging valve connected axially stacked packing, to seal the pipeline corrosion class A operating temperature ... CF8M, WC6, WC9Ball: CF8, CF8M, WC6, WC9Pressure rating: class 150—class 300 PN16—PN40Seat: F6a, F304, F316, F11, F22Drive mode: ...