The system uses a vent fan, a manually adjustable backpressure damper, a differential pressure-sensing gage, and an inlet air filter high differential pressure alarm switch.
此系统用一个排气扇，手动调节反压闸，压差传感器和一个进气过滤器压差高报警开关。
The pressure switch is field adjustable to meet the pressure required by customer's application.
压力继电器的调整足以满足客户的需求。
The pressure switch is field adjustable to meet the pressure required by customer's application.
压力继电器的调整足以满足客户的需求。
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