The utility model relates to a valve, in particular to a flow control valve for high temperature and high pressure pipeline system for medium control, which comprises a valve body, valve stem, valve stem cone shaped head, stem with conical head axial motion, circumferential rotation connection, cone valve head and is arranged in the shape control the valve body of the medium inlet and outlet port is matched with the support washer, sealing ring, a pressing sleeve between the valve body and the valve rod, a locking nut and a pressing sleeve contact, and the screw connection with the valve body, which is characterized in that the cone shaped head end is provided with a valve stem and valve control under medium inlet and outlet port fit cylinder with damping groove; the damping cylinder launder for spiral groove. When the valve is opened instantly when the medium outlet valve to control the damping medium along the cylinder mouth launder into body, because the damping launder is a throttle valve and pressure to prevent the pressure shock, the steady flow of medium piping system, good use effect.
【技术实现步骤摘要】
【技术保护点】
一种流量控制阀，它包括阀体、阀杆，阀杆的圆锥台形头部，阀杆与其圆锥台形头部轴向串动、周向转动连接，阀杆的圆锥台形头部与在阀体内设置的介质进、出口的控制口相配合，在阀体与阀杆之间设置支撑垫圈、密封圈、压套，锁紧螺母与压套相接触、且与阀体螺纹连接，其特征在于：在所述阀杆的圆锥台形头部下端设有与阀体介质进、出口的控制口相配合带有阻尼过流槽的圆柱体。
【技术特征摘要】
【专利技术属性】
技术研发人员：陈希武，陈远欣，杨立新，牛孝庆，
申请(专利权)人：陈希武，
类型：实用新型
国别省市：22[中国|吉林]
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