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Floors 1-2, No. 7, Lane 1088, Mingcheng Road, Fengxian District, Shanghai
Shanghai Zhongpu Te Environmental Protection Equipment Co., Ltd
Floors 1-2, No. 7, Lane 1088, Mingcheng Road, Fengxian District, Shanghai
Acid alkali resistant electromagnetic diaphragm metering pumpIt is a metering pump designed specifically for transporting corrosive liquids. Its core feature is the combination of electromagnetic drive technology and corrosion-resistant materials to achieve precise liquid transportation at low flow rates and pressures. The following analysis is conducted from five dimensions: working principle, core advantages, technical parameters, application scenarios, and selection suggestions:
Working principle: Coordinated electromagnetic drive and diaphragm reciprocating
The electromagnetic diaphragm metering pump controls the reciprocating motion of the diaphragm through the on/off control of the electromagnet, achieving the suction and discharge of liquid:
Electromagnetic drive: When the electromagnetic iron is energized, it generates magnetic force, attracts the iron core to drive the push rod to compress the spring, moves the diaphragm forward, increases the pump chamber volume to form negative pressure, and the liquid is sucked in; When the power is cut off, the spring resets, the diaphragm rebounds, the pump chamber volume decreases, and the liquid is discharged.
Diaphragm isolation: The diaphragm isolates the conveyed liquid from the driving mechanism, preventing corrosive liquids from corroding mechanical components and preventing liquid leakage.
Flow regulation: By adjusting the energizing frequency (stroke frequency) of the electromagnet or the diaphragm stroke (stroke length), the flow can be infinitely regulated within the range of 0-100%.





TEKBA seriesAcid alkali resistant electromagnetic diaphragm metering pumpIt is a digital display electromagnetic diaphragm metering pump based on microprocessor control, with the characteristics of simple operation and stable operation. Including four sub series: EMS, EML.EMC, and EMM
Main features:
Pressure: 20 bar
Flow rate: 110L/H
Pump head material: PVD
Diaphragm material: PTFE
Ball valve material: ceramic
The above materials are standard configurations for metering pumps and are compatible with almost all chemicals used in industrial, wastewater treatment, and drinking water fields. The diaphragm is made of pure solid PTFE material and is compatible with most chemicals. The service life of the diaphragm exceeds 5 years and does not require regular replacement
Strong dosing stability: The metering pump can operate stably within the voltage range of 100-240V. Dosing mode:
The flow rate can be manually or automatically adjusted (signal input control), and the EML/EMM and EMC also come with a liquid level probe interface. The manual exhaust valve can assist in starting the metering pump.