3pc type ball valve with internal thread Nominal pressure:PN1.6,2.5,4.0, ... ,3.8,6.0,9.6Mpa 3pc type ball valve with internal thread ( stainless steel ball valve )1. Nominal pressure:PN1.6,2.5 ... -64)P Acetic acid7. Applicable temperature:-40~180°C 3pc type ball valve with internal thread ( stainless steel ball ...