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    Chemical Diaphragm Dosing Pump, 120 L/h Flow

    Chemical diaphragm dosing pump is used to accurately inject precise volumes of a liquid or chemical into a system, with 120L/h flow, motor power 370W, available in 380V, 220V, 110V, 420V voltage. ATO motorized metering pump is commonly used in water treatment, chemical processing, oil and gas, and other applications where accurate and controlled chemical dosing is required.
    SKU: ATO-DDP-120F
    30-day Returns
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    Delivery date: 6-12 days

    ATO diaphragm dosing pump is a metering pump used for chemicals, which comes with a flexible diaphragm instead of a piston. The diaphragm moves back and forth to change the volume of the pump chamber, and sucks and discharges liquid under the action of the pump inlet and outlet valves.


    • Model: ATO-DJ-Z120/0.7
    • Flow: 120L/h
    • Pressure: 0.7MPa
    • Pump Speed: 96rpm
    • Pump Head Material (Optional): PVC (Default), 304 Stainless Steel, 316 Stainless Steel, PTFE
    • Motor Power: 370W
    • Motor Voltage (Optional): 380V 50Hz (Default), 220V, 110V, 420V
    • Inlet & Outlet Diameter: DN15
    • Weight: 22kg

    Dimension (Unit: mm)

    Diaphragm dosing pump dimension

    Tips: What is the difference between a reciprocating pump and diaphragm dosing pump?

    Reciprocating Pump: A reciprocating pump is a type of positive displacement pump that operates by utilizing a piston or plunger to create a back-and-forth, reciprocating motion. This motion generates pressure differentials within the pump, allowing it to draw in and expel fluids. Reciprocating pumps are commonly used for a wide range of applications, including transferring liquids, increasing pressure, and handling viscous or abrasive fluids. They are known for their high-pressure capabilities and precise flow control. Reciprocating pumps are commonly found in industries like oil and gas, chemical processing, and water treatment.

    Diaphragm Dosing Pump: A diaphragm metering pump is a specialized type of reciprocating pump designed for accurate and controlled dosing or injection of chemicals into a system. It features a flexible diaphragm that moves back and forth to displace the liquid or chemical being dosed. Diaphragm metering pumps are often used in applications where precise volumes of chemicals must be added to a process, such as water treatment, agriculture, and pharmaceutical manufacturing. They are valued for their ability to provide consistent and accurate dosing, making them crucial in situations where even minor variations can have significant consequences.

    The key difference between a reciprocating pump and a diaphragm metering pump is their intended use and design. Reciprocating pumps are versatile and used for general fluid transfer, while diaphragm dosing pumps are specialized for precise and controlled chemical dosing applications, particularly in situations where accuracy is paramount.

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