Installed in a mainline it prevents upstream pressure from dropping below a preset minimum. Solenoid override of the sustaining function allows for electrical on-off operation.
安装在主管线内，防止上游压力降到预置最小压力以下。电磁阀的过载平衡功能使其能够进行电气开-关操作。
Installed in a mainline it prevents upstream pressure from dropping below a preset minimum. Solenoid override of the sustaining function allows for electrical on-off operation.
安装在主管线内，防止上游压力降到预置最小压力以下。电磁阀的过载平衡功能使其能够进行电气开-关操作。
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