High pressure control valve Fine sealing and control performance. Extremely wear resistant. Timely delivery High pressure. High pressure control valveMainly technical inspection1,Nominal size(mm); 6 ,10 , ... 25,32,40,50,65,80,125,150,200mmPressurePN1.6,4.0,6.4MPaFlange StandardJB/T79.1(2)-94,GB/T9113 ... -impregnated asbestos yarn,asbestos yarn with graphite,graphite packing High pressure control valve