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Mechanical Actuated Diaphragm Pumps

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Mechanical Actuated Diaphragm Pumps

Mechanically Driven Diaphragm Pumps Manufacturers have designs that show good standards in chemical measurement, have low power consumption and high precision. Mechanical actuated diaphragm pumps are a type of positive displacement pump that uses mechanical means to move a diaphragm, which in turn moves the fluid. Here are some key aspects and features of these pumps:

Applications :

  • All types of Chemical dosing
  • Polyelectrolyte dosing
  • PAC & Alum dosing
  • Soap stone powder
  • H2O2 dosing
TESTING FACILITY

TEST FACILITY AT UDS

  • At time 6 pumps can be tested simultaneously
  • pump flow rate at working pressure
  • vibration of pump and motor, SOUND METER
  • Amp meter, Pressure meter
  • Voltage meter, Frequency meter.
  • All instruments are tested as per govt.standard at approved govt. lab
  • Pumps up to 7000 LPH flow and maximum 450 BAR pressure can be tested.

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Principle of Operation:

  • These pumps typically use a reciprocating mechanism (such as a crankshaft or eccentric) to move the diaphragm back and forth.
  • As the diaphragm moves, it creates suction on one stroke and pressure on the other, thereby pumping the fluid through the system.
Diaphragm Material:

Diaphragms are often made of materials like rubber, thermoplastic, or PTFE (polytetrafluoroethylene) to handle various types of fluids including corrosive or abrasive liquids.

Application :

  • Chemical Industry: Handling corrosive chemicals where leakage must be avoided.
  • Water Treatment: Including metering and dosing of chemicals.
  • Oil & Gas: For metering and injecting chemicals into pipelines.
  • Food and Beverage: Pumping of food-grade fluids.

Advantages:

  • Leakage Prevention: The design prevents fluid leakage as the diaphragm isolates the pumped fluid from other mechanical components.
  • Leakage Prevention: The design prevents fluid leakage as the diaphragm isolates the pumped fluid from other mechanical components.
  • Versatility: Can handle a wide range of fluids, including those with high viscosity or containing solids.
  • Accuracy: Often used for precise metering and dosing due to their ability to maintain consistent flow rates.

Disadvantages:

  • Maintenance: Diaphragms can wear out over time and may need frequent replacement.
  • Limited Pressure: Generally not suitable for high-pressure applications compared to other pump types like piston pumps.
  • Pulsating Flow: The reciprocating action can result in pulsating flow, which may require additional dampening or smoothing mechanisms.

Design Variations:

  • Single and double diaphragm configurations.
  • Pneumatically or mechanically driven.

Safety Considerations:

  • Suitable for applications where preventing leaks is critical for safety or environmental reasons.
  • Often used in hazardous environments due to their ability to isolate the fluid being pumped.
  • Overall, mechanical actuated diaphragm pumps are valued for their reliability, ability to handle a wide range of fluids, and suitability for applications where leak prevention and precise control are essential
FAQ

Frequently asked question

Mechanical Actuated Diaphragm Pumps are a type of positive displacement pump that uses a mechanical mechanism (such as a crankshaft or cam) to move a diaphragm back and forth, creating suction and discharge strokes.

These pumps typically consist of a diaphragm that moves in response to the mechanical actuation, which alternately draws in fluid through one valve on the suction stroke and expels it through another valve on the discharge stroke.

Benefits include:
• Ability to handle viscous, abrasive, and shear-sensitive fluids without degradation.
• Self-priming capability, even with air or gas entrained in the fluid.
• Precise metering and dosing accuracy due to the positive displacement design.
• Reliable operation with minimal pulsation and smooth flow.

They are used in various industries and applications including:
• Chemical processing for metering and dosing chemicals.
• Water and wastewater treatment for handling slurries and corrosive fluids.
• Oil and gas production for well injection and chemical dosing.
• Food and beverage processing for transferring ingredients and additives.

Factors include:
• Fluid characteristics (viscosity, abrasiveness, chemical compatibility).
• Flow rate and pressure requirements for the application.
• Material of construction for diaphragms and wetted parts.
• Control options for flow modulation and automation.
• Maintenance requirements and reliability of components.

Maintenance tasks often include:
• Regular inspection of diaphragms, valves, and seals for wear and tear.
• Cleaning or replacing diaphragms and valve components as needed.
• Lubrication of moving parts and checking of mechanical actuators.
• Calibration of flow rates and pressure settings.
• Monitoring of suction and discharge pressures for optimal performance.

Yes, these pumps are suitable for handling hazardous chemicals and corrosive fluids when constructed with compatible materials such as various grades of plastics, metals, and elastomers.

Advantages include:
• Ability to handle a wide range of fluid viscosities and pressures.
• Reduced risk of leaks or emissions due to the sealed diaphragm design.
• Versatility in application due to their robust construction and reliability.
• Minimal maintenance and downtime compared to complex pump systems.

These pumps are available from specialized pump manufacturers, industrial suppliers, and distributors with expertise in fluid handling and pumping solutions.

They contribute by providing consistent and reliable fluid handling, precise metering for dosing applications, and durability in challenging operating conditions, thereby optimizing process efficiency and reducing operational costs.
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