valve,ball valves,ppr fittings iron core ball valve;stop valve 20mm,25mm,32mm,40mm,50mm,63mm XN164stopvalve20 25 32 40 50 63 XN165pprball valve20 25 32 40 50 63 XN166iron coreballvalve20 25 32 40 50 63 XN167doubleunionbronzeball valve20 25 32 40 50 63 XN173hidden valve 20 25 32OUR FACTORYCERTIFICATES: Super/green ppr valve series