The utility model relates to a high temperature and high pressure ball valve, comprising a valve body, the valve cavity of the valve body is provided with a valve ball and seat matched with the valve seat, the valve seat and the valve seat includes entrance exit, the ball valve is connected with the valve stem, the valve stem is connected with the outer end of the handle, the left end of the valve seat of the coaxial entrance with the adjusting sleeve through the adjusting sleeve, a disk spring is arranged between the inner wall of the valve seat and the entrance, the entrance channel of the left end of the adjusting sleeve is arranged on the annular groove, the annular groove is arranged in the ring. The utility model ensures the sealing between the entrance valve seat and the valve ball through the elasticity of the disc spring through the spring between the adjusting sleeve and the inlet valve seat, and has the advantages of good sealing effect, and can effectively prevent the leakage of the medium.
【技术实现步骤摘要】
【技术保护点】
一种高温高压球阀，包括阀体，所述阀体的阀腔内设有相配合的阀座和阀球，所述阀座包括入口阀座和出口阀座，所述阀球连接有阀杆，所述阀杆的外端连接有手柄，其特征在于所述入口阀座的左端同轴设有中通的调整套，所述调整套与所述入口阀座之间设有碟簧，所述调整套的左端的入口通道的内壁上开设有环形槽，所述环形槽内安装有挡圈。
【技术特征摘要】
【专利技术属性】
技术研发人员：边久海，董胜利，
申请(专利权)人：哈尔滨松林电站设备有限公司，
类型：新型
国别省市：黑龙江;23
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