APIQ347-300Lb pipeline ball valve for long-distance transportation TJ846 Nominal Pressure:1.6~10.0MPa Applicable Temperature:-28~150 Applicable medium: natural gas, liquid gas,petroleum and other medium. Driving manner: Worm gear,air operated, electric driving,combined and hydraulic driving etc. Main parts and materials: body, spring,sealing ring, gasket,blowoff screw,"o" ring,bottom cover, screw nail,fix spindle,sliding bearing,ball,bonnet,seat,stem,stud,nut,cover,stuffing,support,gland,key etc. We manufacture ball valves series, gate valves series,globe valves series,check valve series,filter valves series,butterfliy valves series, diaphragm valves series, plug valves series, safety valves series, reducing valves series, trap valves series, conv forged steel valves, cryogein valves, power-station valves. For more detailed information,please have a view of our website: