... . Extremely wear resistant. Timely delivery High pressure. High pressure control valveMainly technical inspection1,Nominal size(mm); 6 ,10 ,15 ,25 ,32 ,40 ... , Flow characteristic : Linear ,linear ,equal percentage5, Nominal pressure: 22 326, Single pressure :standard signal :20~100;other signals : 40~200; ... ,32,40,50,65,80,125,150,200mmPressurePN1.6,4.0,6.4MPaFlange StandardJB/T79.1(2)-94,GB/T9113. ...