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    Chemical Diaphragm Dosing Pump, 50 L/h Flow

    Diaphragm dosing pump with 50 L/h flow, 1.2MPa pressure, optional 380V, 220V, 110V, 420V voltage, PVC or stainless steel pump head, 370W motor power, is a metering pump used for precise and controlled dosing of liquids or chemicals. These dosing pumps are commonly used for water treatment, chemical processing, pharmaceutical manufacturing, and oil and gas.
    SKU: ATO-DDP-50F
    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-Z50/1.0
    • Flow: 50L/h
    • Pressure: 1.2MPa
    • Pump Speed: 48rpm
    • 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: 6mm
    • PE Hose Diameter: 10mm (Including Filter Foot Valve and Injection Valve)
    • Weight: 22kg

    Dimension (Unit: mm)

    Diaphragm dosing pump dimension

    Tips: Do you need a check valve on a diaphragm dosing pump?

    Yes, it is often necessary to use a check valve with a diaphragm dosing pump. A diaphragm metering pump is commonly used for accurate and precise chemical injection in various applications, such as water treatment and industrial processes. Check valves serve a crucial role in these systems.

    Check valves ensure that the pumped fluid flows in one direction only, preventing backflow. Without a check valve, backflow can disrupt the dosing accuracy, damage the pump, or contaminate the chemical feed lines. This could lead to operational inefficiencies and safety hazards.

    In chemical diaphragm metering pumps, the check valve is typically placed on the discharge side of the pump. It allows the liquid to flow in the desired direction, preventing any reverse flow once the diaphragm has completed its stroke. By using a check valve, the dosing pump can maintain consistent and precise chemical injection, ensuring the intended chemical reaches the target process or system.

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