... Wafer type flanged ball Valve thin type ball valve,forged type ball valve1Size:1/2"-12"2Three drive forms:nomally closed type,normally ... the driving gear or manual operation by handle5Connection type:welding type,clamp type,threaded type,glange type6Suitable temperature:-40~180C7Nominal pressure:PN1.6 ... 4.4,7.1MpaWe are mainly supply ball valves,(thin type ball valve,wafer type ball valve),etc..