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Principle of the electromagnetic diaphragm metering pump
&Nbsp;     electromagnetic reciprocating motion of Rod-driven diaphragm pump head and pump head Chamber volume and pressure changes caused by pressure changes caused by suction valve and discharge valve opens and closes to achieve quantitative suction and discharge of liquids.
r-rated series metering pumps displacement in the context of 1-10L/H. the maximum working pressure is 7-4BAR. the pump outlet flow according to the frequency button or stroke length adjustment screws to adjust. LED light emitting diode indicates the running state.

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