Pretreatment by mechanical filters, activated carbon filters, switches and precision filter sodium ion composition.
预处理是由机械过滤器、活性碳过滤器、钠离子交换器及精密过滤器组成。
On-off valve shall be pneumatic ball valve, and the leakage class is V or VI. All the valve accessories such as limit switches, solenoid valves and filter regulators shall be supplied with the valves.
切断阀采用气动球阀，泄漏等级为V或VI级，限位开关、电磁阀、空气过滤减压阀等应随阀成套供货。
Trace switches allow you to enable, disable, and filter tracing output.
跟踪开关用于启用、禁用和筛选跟踪输出。
Using differential pressure switches, it is possible to, e. g. , transmit readings to a central control unit as soon as the filter has attained a specified degree of contamination.
使用压差开关一旦过滤器达到特定污染等级，可以传送读数至中央控制单元。
Using differential pressure switches, it is possible to, e. g. , transmit readings to a central control unit as soon as the filter has attained a specified degree of contamination.
使用压差开关一旦过滤器达到特定污染等级，可以传送读数至中央控制单元。
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