Hoastar fully welded ball valve to be suitable in all neutral liquid or the gas medium pipeline makes the cut-off to use.the main use includes city coal gas, natural gas, transmission pipeline, district connection heating,water supply and petrochemical,electrical station, food industry, paper making ETC.. 
Nominal diameter:  DN15MM-80MM (1/2"-32") 
Nominal pressure: PN1.6Mpa-10Mpa(ANSI class 150-600)