API ANSI Class150~900pipeline ball valve is suitable for working temperature of -28~300 ℃, the petroleum, chemical, thermal power plants and other pipelines of various working conditions, put through or cut off the medium. Applicable medium : oil, natural gas, purification of acidic gas, gas, water and coal slurry and so on medium. Mode of operation: manual, worm drive, pneumatic, electric, pneumatic and hydraulic linkage. |