Check the pneumatic valve installed pay attention to safety matters

For horizontal pipe, vertically wafer check valve pneumatic valve in the wafer check valve pneumatic valve and butterfly valve between the use of a telescopic tube, don't put them with the rest of the pneumatic valve is directly connected to the pneumatic valve plate within a radius of operation, avoid don't add the pipe joint and clog the wafer check valve pneumatic valve installed before or after a variable diameter pipe near the elbow when installing the wafer check pneumatic valve, attention should be paid to leave enough space in the pump export, wafer check valve pneumatic valve is installed out of at least 6 times the diameter of the pneumatic valve space so as to ensure the butterfly plate in the end by the fluid.