Be used for anticorrosive ball valve on petroleum transportation pipeline of oil field

The utility model relates to a be used for anticorrosive ball valve on petroleum transportation pipeline of oil field, including valve body (1) and case (2), valve body (1) and case (2) between partial contact and form sealed face, valve body (1) and case (2) go up to remove all the other surface machining sealed off -plate and the pumped (conveying) medium contact and become anchor line structures (10) be equipped with anticorrosion coating in the anchor line structure (10), valve body (1) and case (2) be equipped with wear -resisting protective layer in sealed face department. Compared withthe prior art, the utility model discloses the spraying has anticorrosion coating and a wear -resisting protective layer on the ball valve internal surface, greatly increased the ball valve the non -corrosibility can and wear resistance, improved the life of ball valve etc.. 本实用新型涉及种用于油田石油输送管线上防腐球阀，包括阀体(1)和阀芯(2)，所述的阀体(1)与阀芯(2)之间部分接触并形成密封面，所述的阀体(1)和阀芯(2)上除密封面外的与输送介质接触的其余表面加工成锚纹结构(10)，在所述锚纹结构(10)上设有防腐涂层，所述的阀体(1)和阀芯(2)在密封面处设