... quality,ISO certified,used in various pipeline systems.3 piece float ball valve,oil pipeline valve:Design & manufacture standard: API6D, API608, ANSI ... & test standard: API598, API6D.Pressure: 150Lb, 300Lb, 600Lb, 900Lb or PN10~PN160 or JIS 10K ~ JIS 40K.Nominal diameters: 1/2~ 24 ... or DN15~DN600.Major materials: WCB, WC1, WC6, WC9, A105, LCC, ...