The utility model relates to a self corrosion resistant pressure regulating valve, which comprises a control mechanism and a regulating mechanism, the control mechanism comprises a control chamber, a regulating spring diaphragm, control, control diaphragm installed in the control chamber, the control chamber into an upper control room; adjusting mechanism comprises a valve body, a valve seat, valve stem, valve cover, valve stem ends are respectively connected with the control valve and control valve diaphragm chamber communicated with the outlet channel and control cavity; valve body, valve seat, valve is mainly made of anti-corrosion materials; isolation tank is arranged between the valve body and the outlet channel under the control room, the isolation tank is made of anti-corrosion materials, liquid separation tank and a lower isolation control room full weight is greater than the proportion of the working medium. The corrosive medium is prevented from entering the control cavity, which has good corrosion resistance and can be applied to corrosive medium conditions.
【技术实现步骤摘要】
【技术保护点】
一种自力式耐腐压力调节阀，包括控制机构和调节机构，控制机构包括控制膜片（１２）、控制腔体（１１）、调节弹簧（１３），控制膜片（１２）安装于控制腔体（１１）内，将控制腔体（１１）隔离成上下控制室；调节机构包括阀体（１）、阀座（２）、阀杆（８）、阀盖（５）、阀芯（３），阀杆（８）两端分别与阀芯（３）和控制膜片（１２）连接，阀体（１）出口通道与控制腔体（１１）的下控制室（２０）连通；阀体（１）、阀座（２）、阀杆（８）、阀芯（３）采用防腐材料；其特征是在阀体（１）出口通道与下控制室（２０）之间设有隔离罐（１７），隔离罐（１７）采用防腐材料，隔离罐（１７）和下控制室（２０）内充满比重大于工况介质比重的隔离液（１６）。
【技术特征摘要】
【专利技术属性】
技术研发人员：王汉克，王殿甲，濮景康，
申请(专利权)人：浙江派沃自控仪表有限公司，
类型：实用新型
国别省市：33[中国|浙江]
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