Description:The JM742X diaphragm type bottom unloading valve is installed at the bottom of all kinds of sedimentation tanks, and the sediment and dirt are removed from the bottom of the pool through the control of the reversing valve.
The JM742X diaphragm type bottom unloading valve is installed at the bottom of all kinds of sedimentation tanks, and the sediment and dirt are removed from the bottom of the pool through the control of the reversing valve.