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Diaphragm Pump×タクミナ - List of Manufacturers, Suppliers, Companies and Products

Diaphragm Pump Product List

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Long-distance transport of a wide range of chemicals and additive injection! Direct-acting diaphragm pump PL

For long-distance transport of pharmaceuticals, additive injection, and high-pressure, pulsation-free quantitative injection.

Solving all pump-related problems and complaints from research and development to processes at once! The smooth flow pump 'PL' direct drive type provided by Takumina, a precision pump manufacturer. This pump is ideal for the long-distance transfer of water treatment chemicals and the injection of additives, offering precise supply and injection of a wide range of chemicals and fluids. It enables the inline, automation, and continuous processing that was difficult with conventional diaphragm pumps, and furthermore! Quality, productivity, and ease of use have dramatically improved. 【Features】 ■ No foreign matter contamination ■ Flow rate does not decrease due to pressure fluctuations ■ No liquid leakage ■ Does not break during dry running ■ Liquid quality does not change ■ Liquid contact parts are resistant to wear from slurries ■ Realizes inline processing ■ Easy maintenance ■ No need for dampers, accumulators, or other pulsation dampers ■ Significantly reduces causes of trouble ■ Simple piping, cost-effective & space-saving ■ Excellent responsiveness The smooth flow pump has a lineup that accommodates various usage conditions and liquids, including flow rate, pressure, liquid viscosity, discharge accuracy, slurry diameter and material, installation and transfer conditions, and costs. We will select and introduce the most suitable products for our customers, so please feel free to contact us.

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  • Positive Displacement Pump
  • pump
  • Flow Control

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Diaphragm Pump "Quantitative Pump F"

We deliver safety and trust in the precise injection of various fluids, from water treatment to advanced processes and sanitary processes!

"Motor-driven metering pump" provided by Takumina, a precision pump manufacturer. In addition to excellent liquid delivery accuracy, it also boasts maintenance ease and durability, making it suitable for a wide range of industries and applications, including water treatment, wastewater treatment, advanced processes, and sanitary processes. We offer a lineup of products that can be selected according to your application and purpose! Simple pumps with excellent durability and corrosion resistance. Our lineup includes the "direct-acting diaphragm type," which responds to harsh operating environments with high corrosion resistance, as well as the "hydraulic diaphragm type" and "plunger type," which achieve stable production lines and quality through high-precision injection. [Features] - High corrosion resistance suitable for harsh operating environments - Uses molded diaphragms with excellent corrosion resistance - Usable in a wide range of settings from water treatment to production processes - Capable of transferring slurry-containing liquids and hazardous liquids (which may change when exposed to air) - High-pressure injection capability - Simple structure for easy maintenance - Excellent injection accuracy - Robust and less prone to failure We will help you select and introduce the most suitable product for your needs, so please feel free to contact us.

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  • Positive Displacement Pump
  • Water treatment equipment
  • Flow Control

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Diaphragm Pump "Strong Against Rain and Dust! Outdoor Specification Compact V"

Three-year warranty for peace of mind! Compact direct-acting diaphragm metering pump 'V' designed for outdoor use, resistant to rain and dust.

The small direct-acting diaphragm metering pump 'V' series, designed for outdoor use with strong resistance to rain and dust, has extended the manufacturer warranty period from the conventional 1 year to 3 years, allowing for longer and more reliable use. This simple and easy-to-use small pump comes with dedicated models tailored to the chemicals used and their applications. 【Features】 ■ Suitable for outdoor use! Through rigorous testing and evaluation, we have significantly improved dust and water resistance. ■ 3-year warranty on the main unit! As a result of enhanced durability, we have achieved a warranty period three times longer than before. * This applies only when used under specified conditions. Please contact us for details. ■ Various dedicated pumps available to match the liquid - For acidic chemicals Sulfuric acid, hydrochloric acid, PAC, sulfuric band, etc. - For caustic soda - For sodium hypochlorite (Gas lock measures) - For boiler chemicals Cleaning agents, pH adjusters, etc. (High-pressure injection compatible) - For polymers Polymer coagulants, etc. (up to 2,000 mPa·s) Takumina offers a variety of pump models. Please feel free to contact us as we will help you select and introduce the most suitable products for your needs.

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  • Positive Displacement Pump
  • Other Pumps
  • Water treatment equipment

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Air-operated diaphragm pump "DEPA"

Introducing a versatile air-driven pump that can transfer high-viscosity liquids, slurries, and powders!

Takumina's air-driven pump 'DEPA Series' is a diaphragm metering pump that can be used in various fields from water treatment and chemicals to food and pharmaceutical processes. It offers a wide range of models and materials to handle the transfer of various fluids, including wastewater, sludge, and delicate chemicals. Special explosion-proof measures are not required. 1. "Metal Type" for transferring slurry liquids and organic solvents Functional, compact, easy to handle, and lightweight. It has excellent chemical resistance and a robust body that is strong against wear and corrosion. 2. "Resin Type" for transferring corrosive liquids Suitable for transferring liquids that are corrosive or abrasive at room temperature. 3. "Sanitary Type" available for transferring food and pharmaceuticals. With a smooth and clean surface, there is no risk of contamination. Compatible with CIP and SIP. 【Features】 ■ Completely sealed structure, eliminating concerns about fluid leakage to the outside ■ Ideal for transferring delicate liquids that are prone to changes in quality ■ Capable of transferring fluids containing solid particles up to 25mm and high-viscosity liquids over 20,000 mPa·s ■ Can run dry ■ Easy installation, handling, and maintenance ★ For more details, please download the catalog. We also accept requests for rental units. Feel free to contact us.

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  • Positive Displacement Pump
  • Other pumps
  • pump

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[Case Study] Stability of Concentration During Sulfuric Acid Dilution and Reduction of Work Costs

Solving issues such as 'unable to achieve the targeted concentration'! Examples of stable concentration and reduced operational costs.

In the process of diluting concentrated sulfuric acid with industrial water, a diaphragm pump is used. At a chemical manufacturer, an air chamber was installed on the piping to suppress the pump's pulsation. As a result, there were challenges such as the need to frequently inspect the air chamber and replenish air, and the occurrence of flow errors due to pulsation, which could cause the equipment to stop. For solutions to these challenges, please download and view the PDF materials. 【Customer Challenges】 ■ Need to frequently inspect the air chamber and replenish air ■ If air replenishment is neglected, pulsation occurs and liquid may relieve at abnormal pressure, preventing the injection of the specified amount of sulfuric acid and achieving the desired concentration ■ Flow errors may occur due to pulsation, which can cause the equipment to stop *For more details, please refer to the PDF materials or feel free to contact us.

  • Other pumps

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[Case Study] Quantitative Transfer of Hydrochloric Acid at 98°C Containing Metal Powder

Quantitative transfer of hydrochloric acid at 98℃! Solving issues such as "measurement values were unstable due to the pulsation of the pump"!

The request from the steel manufacturer was to send 98°C hydrochloric acid containing metal powder to a concentration analyzer in order to manage the concentration during the acid pickling process. However, due to the use of an air-driven diaphragm pump, there were challenges such as "the diaphragm quickly tearing due to the high-temperature hydrochloric acid containing metal powder, necessitating frequent diaphragm replacements." For solutions to these challenges, please download and view the PDF document. [Customer Challenges] ■ The diaphragm tears quickly due to the high-temperature hydrochloric acid containing metal powder, requiring frequent diaphragm replacements. ■ The measurement values were unstable due to the pulsation of the pump. *For more details, please refer to the PDF document or feel free to contact us.

  • Other pumps

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[Case Study] Automating the 4-liquid mixing process and improving quality.

Solving issues such as 'variability in concentration'! A case where automation improved the process and enhanced quality.

The request from the steel manufacturer was to mix four types of liquids to apply a coating agent on the surface of electrical steel sheets and supply it to a roll coater. However, each liquid was transferred to a tank using a hydraulic diaphragm pump, and after stirring and mixing, it was supplied to the roll coater. As a result, there were issues such as "variations in concentration due to uneven stirring in the tank" and "the operator had to constantly monitor the concentration in the stirring tank and manually adjust the four pumps." For solutions to these issues, please download and refer to the PDF document. [Customer's Issues] ■ Variations in concentration due to uneven stirring in the tank ■ The operator must constantly monitor the concentration in the stirring tank and manually adjust the four pumps *For more details, please refer to the PDF document or feel free to contact us.

  • Other pumps

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[Case Study] Diverting the raw material liquid in six directions and injecting it into the mixing tank.

We have resolved the request to inject the same amount of liquid from six locations at the top of the mixing tank in the manufacturing process of dental materials! Here is a case study from a dental materials manufacturer.

The dental materials manufacturer requested to inject the same amount of liquid from six locations at the top of the mixing tank during the manufacturing process of dental materials. However, there was a challenge in finding a manufacturer that could produce a six-channel diaphragm pump. Please download the PDF document to view the solution to the challenge and request. 【Customer's Challenge/Request】 ■Could not find a manufacturer to produce a six-channel diaphragm pump. *For more details, please refer to the PDF document or feel free to contact us.

  • Other pumps

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[Case Study] Safe Long-Distance Transport of Concentrated Sulfuric Acid (98%)

Solving issues such as 'damage caused by corrosion from sulfuric acid without realizing it'! Introducing a case study from a steel manufacturer.

The steel manufacturer was using a hydraulic diaphragm pump to transport 98% sulfuric acid over long distances within the steelworks. However, there were challenges such as "damage that may occur unknowingly due to corrosion from sulfuric acid" and "the need for pump overhauls every three years, incurring costs each time." For solutions to these challenges and requests, please download and view the PDF materials. 【Customer's Challenges and Requests】 ■ An accumulator was installed to eliminate pulsation, but it may be damaged unknowingly due to corrosion from sulfuric acid. ■ Due to long-distance piping, a high-pressure pump is used to account for pressure loss, and continuing operation without the accumulator functioning poses a risk of pipe damage, which is very dangerous. ■ Pump overhauls are required every three years, incurring costs each time. *For more details, please refer to the PDF materials or feel free to contact us.

  • Other pumps

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[Case Study] Balancing Stable Operations During Normal Times and Measures Against Sudden Heavy Rainfall

No stroke length control! Introduction of a case where gas lock no longer occurs even in low flow ranges.

At the local government (sewage treatment plant), the flow rate of water flowing through the channel after sedimentation and filtration was measured, and the necessary amount of sodium hypochlorite was injected. Using a diaphragm pump, two types of control were implemented: stroke length control and rotational speed control. However, there was a problem where "when operating with a reduced stroke length during low processing volumes, injection failures due to gas lock occurred." For solutions to the issues and requests, please download and view the PDF materials. [Customer's Issues and Requests] ■ When operating with a reduced stroke length during low processing volumes, injection failures due to gas lock (air entrapment) occur. *For more details, please refer to the PDF materials or feel free to contact us.

  • Contract manufacturing

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[Case Study] Suppressing piping vibration without using air chambers

"We want to transfer the concentrated nitric acid used as CIP cleaning solution to the dilution tank." Solving your request! Introducing a case study from a food manufacturer.

The food manufacturer requested to transfer concentrated nitric acid for use as a CIP cleaning solution to a dilution tank. However, they had been using a diaphragm pump with an air chamber to suppress pulsation, but if maintenance on the air chamber is neglected, the pulsation dampening effect is lost. This led to vibrations causing cracks in the piping, resulting in nitric acid leaks and rusting of the equipment. For solutions to the issues and requests, please download and view the PDF materials. [Customer's Issues and Requests] ■ Neglecting maintenance on the air chamber leads to the loss of pulsation dampening effect, causing vibrations that crack the piping, resulting in nitric acid leaks and rusting of the equipment. *For more details, please refer to the PDF materials or feel free to contact us.

  • Other pumps

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[Case Study] Measuring Accurate Actual Injection Volume with Flow Meters to Reduce Waste of Chemical Solutions

Solving issues such as the need to go from the equipment management building to the water purification tank for concentration confirmation! Introducing examples from local governments (water purification plants).

The local government (water purification plant) was using a diaphragm pump as a chemical injection pump when adding sodium hypochlorite as a disinfectant and polyaluminum chloride as a coagulant. However, there were challenges such as "the pulsation of the pump makes it impossible to measure the injection amount with a flow meter" and "it is necessary to go from the facility management building to the water purification tank to check the concentration." For solutions to the challenges and requests, please download and view the PDF materials. 【Customer's Challenges and Requests】 ■ The pulsation of the pump makes it impossible to measure the injection amount with a flow meter. ■ It is necessary to go from the facility management building to the water purification tank to check the concentration. *For more details, please refer to the PDF materials or feel free to contact us.

  • Other pumps

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[Case Study] Elimination of Foreign Matter Contamination During Concentrated Juice Transfer

Eliminating foreign matter contamination with existing rotary pumps! A case study from a food manufacturer.

The food manufacturer was transferring concentrated fruit juice (with a maximum viscosity of 20,000 mPa·s) from the raw material tank to the filling machine tank at a flow rate of 2 tons per hour. However, the existing rotary pump had issues where wear particles were generated from the pump's mechanical seal, which could mix into the liquid, necessitating frequent disassembly and inspection. For solutions to the challenges and requests, please download and view the PDF document. 【Customer's Challenges and Requests】 ■ There was a risk of bacterial contamination every time the pump was disassembled, as it came into contact with outside air. ■ Maintenance costs were high due to the need for specialized maintenance personnel and the high cost of replacement parts. ■ Frequent disassembly and inspection were required because wear particles from the pump's mechanical seal could mix into the liquid. *For more details, please refer to the PDF document or feel free to contact us.

  • Other pumps

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[Case Study] Improving Workability and Coating Quality for Small-Volume Painting

Measurement and control using flow meters is now possible! We introduce case studies from contract processing manufacturers.

At the contract manufacturing company, paint is supplied to the spray gun via a pump on the small parts painting line, and traditionally, air-driven diaphragm pumps have been used. However, there have been issues such as "we want to measure and control the actual flow rate, but due to pulsation, it cannot be accurately measured with a flow meter." For solutions to the challenges and requests, please download and view the PDF materials. 【Customer's Challenges and Requests】 ■ When the pressure in the piping increases due to nozzle clogging or changes in paint viscosity, the pump's discharge volume decreases, necessitating the adjustment of pressure by operating back pressure valves, pressure reducing valves, and air supply valves. ■ We want to measure and control the actual flow rate, but due to pulsation, it cannot be accurately measured with a flow meter. *For more details, please refer to the PDF materials or feel free to contact us.

  • Other contract services

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