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JDM series mechanical diaphragm metering pump

It is suitable for environmental protection, water treatment, pharmaceutical, papermaking, new materials and other industries, sexual slurry and hazardous chemicals.

A metering pump is also known as a quantitative pump or a proportional pump. A metering pump is a special volumetric pump that can meet various strict process requirements, with a flow rate that can be infinitely adjusted within the range of 0-100%, and is used to transport liquids (especially corrosive liquids).
A metering pump is a type of fluid conveying machinery, characterized by its ability to maintain a constant flow rate independent of discharge pressure. The use of a metering pump can simultaneously perform the functions of conveying, metering, and regulating, thereby simplifying the production process. By using multiple metering pumps, several media can be accurately proportioned and mixed into the process flow. Due to its outstanding performance, metering pumps are now widely used in various industrial fields such as petrochemicals, pharmaceuticals, and food.

Commodity name： JDM series mechanical diaphragm metering pump

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Mechanical Diaphragm Metering Pumps

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Product Description

Product Overview

The mechanical diaphragm metering pump is a diaphragm pump that relies on mechanical direct drive for the deflection and deformation of the diaphragm.
Mechanical diaphragm metering pumps are generally suitable for conveying liquids without solid particles with a temperature of -15°C~85°C and a viscosity of 0.3mm²/s~2000mm²/s. The flow rate can be continuously adjusted in the range of 0-100%, and the product has no leakage, simple structure, low maintenance cost, and good cost performance. The products are suitable for environmental protection, water treatment, pharmaceutical, papermaking, new materials and other industries, sexual slurry and hazardous chemicals.

function

1. The flow control mode of the pump has manual control and automatic control. Automatic control can be achieved by frequency conversion, and can also be achieved by adding a digital controller or stroke controller for the metering pump.
2. Parameter range: flow rate is 0.47~6000L/h, maximum working pressure 1.2MPa optional; The flow stability accuracy can be controlled at 1%.
3. Suction capacity: ≤3m (water column)
4. The product does not have a safety discharge device, and when the system is formed, the outlet pipeline of the pump needs to consider the installation of safety valves to improve the safety of operation.
5. Conveying flammable, explosive, highly corrosive, toxic and other dangerous chemicals, in order to prevent accidents caused by diaphragm rupture, the hydraulic end structure of double diaphragm with diaphragm rupture alarm device can be selected.

Fluid end overflow parts

According to the characteristics of the conveyed agent, the flow parts at the fluid end must meet the requirements for corrosion resistance.
Materials available: PVC, PVDF, PTFE, SS304, SS316L and other alloys (such as: alloy 20, 904L, titanium, Hastelloy, etc.).
Diaphragm material: PTFE or rubber composite PTFE.

Features introduced

1. Reliable sliding shaft adjustment structure, stable and reliable operation, longer life.

2. Oil immersion lubrication, only need to change the lubricating oil regularly, and the lubrication system does not need special maintenance.

3. Reliable flow regulation mechanism, the flow rate can be easily adjusted when the equipment is running or stopping.

4. The use of high-strength PTFE diaphragm, corrosion resistance, long life, suitable for conveying all kinds of corrosive and dangerous liquids.

5. A variety of optional overflow materials, and other special materials can also be customized according to the requirements of use, so as to be suitable for conveying various corrosive and non-corrosive liquids.

6. No leakage at all, high safety performance, can transport all kinds of flammable, explosive, highly toxic, radioactive, strong irritating, strong corrosive liquids.

7. High-precision one-way check valve structure, with accurate measurement, compact structure, good sealing, long life, strong interchangeability, low cost, easy installation and many other advantages.

8. It can be equipped with a variable frequency motor to receive 4-20mA signal to adjust the flow rate and carry out external automatic control.

9. It can be equipped with a stroke regulator to automatically adjust the flow rate.

Product parameters

Model Model	Flow (L/H)	Max Pressure（MPa）	Suction Length（m）	Speed(spm)	Connection Dia.(mm)	Motor Power（KW）	Weight(Kg)
JDM-500/0.3	500	0.3	3	48	DN40	1.1KW	95
JDM-750/0.3	750			72
JDM-1000/0.3	1000			96
JDM-1500/0.3	1500			144

Installation dimensions

Fields of application

It is suitable for environmental protection, water treatment, pharmaceutical, papermaking, new materials and other industries, sexual slurry and hazardous chemicals.

Keywords: automation machinery

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