IS220PTURH1A 替您省钱 货期火速

ABB SNAT 7261 PCP
TRICONEX 4351B
IC695CPE310
6ES7416-3ES06-0AB0
MVI69-MNET
6AV2124-0QC02-0AX0
r88d-ut40
MVI56E-MNET

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描述

阀门定位器的阀位检测装置与控制阀阀杆或阀轴直接连接,因此,安装时应保证反馈信号能够正确、及时反映阀位信号和变化。通常,阀门定位器与控制阀配套供应,由制造厂完成两者的连接。当生产过程控制需要添加阀门定位器时,应保证阀门定位器阀位检测装置动作的正确、可靠和灵活。反馈杆支点的机械间隙应尽量小。阀门定位器的信号管线应正确连接,气源管线和输出管线、输入管线应标记铭牌。阀门定位器的阀位显示信号应有利于操作和维护人员观测。

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