Semi-Automatic Mild Steel Industrial Chemical Dosing Pump

Semi-Automatic Mild Steel Industrial Chemical Dosing Pump

Product Code: Semi-Automatic Chemical Dosing Pump
Availability: 100
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Item specifics

  • Automation Grade Semi-Automatic
  • Flow Rate 400 Liters/hours at 20 kg/cm2
  • Frequency 50-60 Hz
  • Material Mild Steel
  • Maximum Discharge Flow 0-4 Liters/hours at 3.5 Kg/cm2
  • Power Source Electric
  • Pump Type Electronic Metering, Motorised and Plunger
  • Surface Color Coated
  • Usage/Application Chemical Dosing
  • Voltage 220 to 240 V

Product Description

Types of Chemical dosing pumps:

There four main types of chemical injection pumps, and they vary concerning their pumping mechanisms, their field of application, types of chemicals pumped as well as pumping pressure.

A) Constant Injection Diaphragm:

In this kind of chemical metering pump, the pump chamber gets filled and emptied via a piston, diaphragm, and valves placed on the inlet and outlet of the chamber. When the piston gets pulled, the chamber draws in the chemical to a pre-calibrated amount while the outlet valve gets closed.

When the required volume gets achieved, the piston gets pushed inwards to inject the chemical at a specified rate of flow.

These types of pumps provide a near-accurate rate of flow, and with proper adjustments, it can pump chemical at variable rates of flow.

B) Pulse Injection Diaphragm:

In this type of chemical dosing pump, the diaphragm effect works in a similar manner to that of the Constant Injection Diaphragm pump. However, in this pump, the rate of flow gets controlled by a solenoid coil.

Instead of a slow and constant pumping, the solenoid draws chemical into the chamber and pumps it out in pulses. The rate of flow here gets controlled by producing the pulses at timed intervals.

The mechanical and electrical components are quite simple, and hence the pump is less accurate regarding chemical dosage volumes due to the timed pulse injections. If the chemical supply pressure fluctuates, the dosage will also vary as a result of the timed pulses.

As a consequence of the low accuracy, these pumps are quite cheap.

C) Lobe chemical injection pumps

These types of pumps utilize an impeller set of gears to allow fixed volume of chemical to enter the diaphragm. Though the volume measurement is not as accurate as in diaphragm pumps, these types of pumps mostly get used in the dosing chemicals with high viscosity.

Additionally, it is intricate to adjust the pump accurately for low rates of flow. However, one advantage of the pump is that it self-lubricates its gears via the viscous chemicals and hence it has a reduced wear rate.

D) Peristaltic Chemical metering pumps

Peristaltic pumps are quite accurate because they include a semi-circularly bent flexible tube through which the chemical passes flows. A mechanical arm moves along the curved tube, and its purpose is to capture the required volume of a chemical by squeezing the tube and pushing the chemical along the tube into the dosing pipe.

The main disadvantages of these pumps are that they wear quickly, and due to the use of an expandable rubber tube, they are not applicable to high rates of flow.

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