电动调节阀使用要点

⑴调节阀属于现场仪表，要求环境温度应在-25～60℃范围，相对湿度≤95%。如果是安装在露天或高温场合，应采取防水、降温措施。在有震源的地方要远离振源或增加防振措施。

⑵调节阀一般应垂直安装，特殊情况下可以倾斜，如倾斜角度很大或者阀本身自重太大时对阀应增加支承件保护。

⑶安装调节阀的管道一般不要离地面或地板太高，在管道高度大于2 m时应尽量设置平台，以利于操作手轮和便于进行维修。

⑷调节阀安装前应对管路进行清洗，排除污物和焊渣。安装后，为保证不使杂质残留在阀体内，还应再次对阀门进行清洗，即通入介质时应使所有阀门开启，以免杂质卡住。在使用手轮机构后，应恢复到原来的空档位置。

⑸为了使调节阀在发生故障或维修的情况下使生产过程能继续进行，调节阀应加旁通管路。

同时还应特别注意，电动调节阀的安装位置是否符合工艺过程的要求。

⑹电动调节阀的电气部分安装应根据有关电气设备施工要求进行。如是隔爆型产品应按《爆开危险场所电气设备安装规范》要求进行安装。如现场导线采用SBH型或其它六芯或八芯、外径为??11.3 mm左右的胶皮安装电缆线。在使用维修中，在易爆场所严禁通电开盖维修和对隔爆面进行撬打。同时在拆装中不要磕伤或划伤隔爆面，检修后要还原成原来的隔爆要求状态。

⑺执行机构的减速器拆修后应注意加油润滑，低速电机一般不要拆洗加油。装配后还应检查阀位与阀位开度指示是否相符。

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