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コーワ商事

capital1000Ten thousand
addressOsaka/Nishi-ku, Osaka-shi/5 Kowa Edobori Building, 1-21-7 Edobori
phone06-4256-5460
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last updated:Jul 16, 2025
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コーワ商事 List of Products and Services

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Drainage treatment system Drainage treatment system
Turbo blower, turbo compressor Turbo blower, turbo compressor
Low resistance ventilation device Low resistance ventilation device
Deodorizing and dustproof system Deodorizing and dustproof system
Plant-based cleaning solution Plant-based cleaning solution
Heat-insulating and thermal insulation paint Heat-insulating and thermal insulation paint
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Low resistance ventilation device

The "Master Diffuser" is a low-resistance aeration device that achieves high oxygen transfer efficiency through a newly developed three-dimensional wave-shaped cutter model blade.

Low Resistance Ventilation Device - Diffuser 'Master Diffuser'

Reduce electricity consumption by approximately 30% through aeration! Fine bubbles with high oxygen transfer efficiency can be produced with lower energy.

Since microorganisms consume oxygen to process organic matter, sufficient oxygen is required in biological wastewater treatment. If adequate oxygen cannot be supplied during the aeration process, the efficiency of organic matter treatment decreases, and biological treatment consumes a lot of energy during aeration. There are various methods to reduce electricity consumption during aeration, but generating fine bubbles to improve oxygen transfer efficiency is commonly used. The "Master Diffuser" can produce fine bubbles with high oxygen transfer efficiency at lower energy consumption. 【Internal Structure】 ■ The new three-dimensional cutter model blade achieves high oxygen transfer efficiency. The shape of the three-dimensional wave-type cutter model blade creates different pressures on the water and bubbles passing through the blade due to the principle of a cyclone, which reduces large bubbles to fine ones and enhances oxygen transfer efficiency. ■ Made from 66 nylon, ensuring high durability. *For more details, please refer to the PDF document or feel free to contact us.

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Electricity cost and pollution reduction! 'High-efficiency aeration device'

The special-shaped blade simultaneously achieves high oxygen transfer efficiency with fine bubbles and strong stirring effects! Additionally, there is about a 30% energy-saving effect due to the low-load structure!

The high-efficiency aeration device "Master Diffuser" is an aeration device that can efficiently supply oxygen in the aeration tank of wastewater treatment facilities. By bringing the air blown into the tank into contact with specially shaped blades, it generates fine bubbles with excellent oxygen transfer efficiency (dissolution efficiency) while vigorously stirring the tank. This contributes to maintaining good microbial activity in the aeration tank. 【Features】 ■ Improvement of tank environment It improves the tank environment through high oxygen dissolution efficiency and strong stirring effects. ■ Energy-saving effect Compared to disk types, it has less load and can reduce power consumption by about 30%. ■ Maintenance-free It features a structure that is resistant to clogging. Made of SUS304 and 66 nylon, it is highly durable. ■ Suppression of settled sludge It lifts sludge from the bottom and stirs it within the tank, suppressing settled sludge. *For more details, please refer to the PDF document or feel free to contact us.

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High-efficiency aeration device / diffuser 'Master Diffuser'

The special-shaped blade simultaneously achieves high oxygen transfer efficiency with fine bubbles and strong stirring effects! Additionally, there is an energy-saving effect of about 30% due to the low-load structure!

The "Master Diffuser" is a diffusion device that efficiently supplies oxygen in aeration tanks of wastewater treatment facilities. By making the air blown into the tank come into contact with specially shaped blades, it generates fine bubbles with excellent oxygen transfer efficiency (dissolution efficiency) while vigorously stirring the tank. This contributes to maintaining good microbial activity in the aeration tank. 【Features】 ■ Improvement of tank environment It improves the tank environment through high oxygen dissolution efficiency and strong stirring effects. ■ Energy-saving effect Compared to disk types, it has less load and can reduce power consumption by about 30%. ■ Maintenance-free It features a structure that is resistant to clogging. Made of SUS304 and 66 nylon, it is highly durable. ■ Suppression of settled sludge It lifts sludge from the bottom and stirs it within the tank, suppressing settled sludge.

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Low Resistance Diffusion Device "Master Diffuser"

Reduce electricity consumption by approximately 30% through aeration! We can produce fine bubbles with high oxygen transfer efficiency using lower energy.

The "Master Diffuser" is a low-resistance aeration device that achieves high oxygen transfer efficiency through a newly developed three-dimensional wave-shaped cutter model blade. 【Internal Structure】 ■ The three-dimensional wave-shaped cutter model blade realizes high oxygen transfer efficiency. ⇒ The shape of the three-dimensional wave-shaped cutter model blade generates different pressures on the water and bubbles passing through the blade, using the principle of a cyclone, which reduces large bubbles into finer ones and enhances oxygen transfer efficiency. ■ Material: Made of 66 nylon ⇒ Maintains high durability. *For more details, please refer to the PDF document or feel free to contact us.

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  • 首都圏最大級の工業技術・製品の総合見本市 テクニカルショウヨコハマ2026 第47回 工業技術見本市 時代をひらく新たな技術 2026年2/4(水)・5(木)・6(金) 10:00-17:00 来場者募集中
  • 展示会に出展したいけど準備が大変 展示会の情報をまとめて知りたい そんな展示会のお悩み 展サポ(R)で解決! ブース装飾で実績豊富 展示会情報を多数掲載 出展前~後まで支援
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