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This section provides an overview for draft chambers as well as their applications and principles. Also, please take a look at the list of 9 draft chamber manufacturers and their company rankings. Here are the top-ranked draft chamber companies as of April, 2026: 1.Sartorius AG, 2.Shimadzu RIKA Corporation, 3.THELONG AIRTECH JOINT STOCK COMPANY.
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Postdoctoral researcher, conducting research on the production of cathode composite particles for solid-state batteries in the Equipment Engineering Group of Osaka Prefecture University.
Belongs to the Resource and Energy Recycling Laboratory, Nagaoka University of Technology, and conducts research on the development of DDR-type zeolite membranes for CO2 separation and the capture of CO2 from digestion gas generated from sewage treatment plants.
https://researchmap.jp/eiji-hayakawa
Thesis
https://doi.org/10.3390/membranes11080623
http://www.ijcea.org/index.php?m=content&c=index&a=show&catid=109&id=1177
https://www.sciencedirect.com/science/article/abs/pii/S1387181119305529?via%3Dihub
https://www.sciencedirect.com/science/article/abs/pii/S138358661833154X?via%3Dihub
A draft chamber is a type of local exhaust ventilation system used when handling hazardous substances that may affect the human body in chemical or biological experiments.
There are two main types of local exhaust ventilation systems: enclosed types, which cover the hazardous materials, and external types, which are open and have a hood placed next to the hazardous materials. Draft chambers are classified as enclosed local exhaust ventilators.
Among the enclosed types, there are four types: cover type, glove box type, draft chamber type, and building booth type.
The draft chamber type is characterized by a wide working table and easy operation through the large up-and-down (or left-and-right) sliding door that opens widely in front.
Businesses will be obligated to install draft chambers (or appropriate local exhaust ventilation) to protect the health and safety of workers.
Place the hazardous material in the draft chamber, and the operator should open the front sliding door slightly and work only with hands inside.
Never put your head inside the draft chamber at this time. Correct use of the draft chamber will not only prevent inhalation of vaporized or dispersed hazardous substances, but will also protect the safety of the operator in the event of an explosion.
Draft chambers do more than simply provide ventilation. The air that passes through the exhaust duct goes through a scrubber, which removes harmful substances, and is then exhausted outdoors.
Conventional constant-air-volume draft chambers exhaust a fixed amount of air regardless of whether the door is opened or closed. Therefore, without proper air supply, the balance between exhaust air and air supply will be upset, and the room in which the draft chamber is operating will not be able to maintain a negative pressure.
In addition, the constant air volume system exhausts a large amount of conditioned air to the outside, which has been considered a problem from the standpoint of energy conservation.
The variable air volume (VAV) system compensates for these shortcomings.
The variable air volume system automatically calculates the necessary exhaust air volume according to the degree to which the door is opened and closed, thereby reducing the wasteful exhaust of conditioned air.
Since the air in the draft contains volatilized solvents, reagents, and fine particles, it cannot be discharged directly into the standby area. Therefore, it is passed through a facility called a scrubber to trap harmful substances contained in the exhaust gas. Scrubbers are classified into dry and wet types depending on the trapping method.
In addition, periodic voluntary inspections of the draft should also check for clogged or damaged scrubbers. During the inspections, protective equipment should be worn on the assumption that the filters and cleaning water contain hazardous substances.
There are also simple draft chambers that can be placed on a tabletop. The transparent box-shaped body is equipped with an air blower and exhaust duct hose, and some models are also equipped with a filter for exhaust gas treatment. When in use, it is placed on a horizontal table, and the exhaust hose is connected to a local exhaust system to blow air.
It can be used as an alternative when a draft chamber cannot be installed, but since it is only a simple device, the following points should be noted.
Business operators who install draft chambers must conduct a voluntary periodic inspection once every year or less.
The contents of the inspection include:
Other items necessary to maintain performance are listed below. Employers are required to conduct voluntary inspections to satisfy the above and record the results on an inspection sheet. In addition, this inspection sheet must be kept for three years, so please keep this in mind when introducing draft chambers.
If an abnormality occurs, the manufacturer should be consulted to finalize a countermeasure policy. If repairs are necessary, the results should be preserved as well.
One of the inspection items is to check the exhaust capacity. This is to confirm that the draft chamber is being properly vented.
Anemometers are used to check these exhaust capabilities.
There are different types of anemometers, such as hot-wire anemometers and vane anemometers, but there are no regulations, so any one of them can be selected at will.
However, the question is whether the anemometer is measuring the correct value. If the anemometer used for the inspection is not functioning at all, the inspection results will contain false information. Please keep in mind to not forget to calibrate the anemometer itself.
*Including some distributors, etc.
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Nippon Medical and Chemical Instruments Co., LTD., a company founded in 1957 and headquartered in Osaka, Japan, is a manufacturer specializing in environmental control, medical devices, and scientific instruments. The company offers a range of products, including a plant growth chamber, an infection control exhaust unit, and a multi-chamber animal housing system. It also offers infection-control exhaust units, surgical lights, and operating tables. Its products have sphericity and purity. The company has achieved ISO 9001 certification in 2002. It serves several industries, including Commercial equipment, Life sciences apparatus and equipment, and Medical equipment.
Masterflex Group is a developer and manufacturer of hose and connector systems established in 1987 in Gelsenkirchen, North Rhine-Westphalia, Germany. The company’s products include fluoropolymer tubing for chemical- and weather-resistant applications, spiral hoses for the extraction and transportation of industrial media, and stainless metal hoses for chemical transfer or gas supply applications. It also offers suction and elastomer hoses for aviation or aerospace applications. The company’s products are used in the automotive, chemical, and petroleum industries.
Sartorius AG, started in 1870 and headquartered in Göttingen, Germany, is a manufacturer and supplier of lab products and bioprocess solutions. It is the parent company of the Sartorius Group and provides instruments, consumables, and services for chemical, biopharmaceutical, and academic set-ups. The company sells its products under several brand names, such as Cubis, Ambr, and Flexsafe, and provides services like bioprocess consulting, biologics testing, and instrument service. It is available in over 60 countries and is listed on the Frankfurt Stock Exchange with preference and ordinary shares. It operates two divisions, namely bioprocess solutions and lab products and services.
Shimadzu RIKA Corporation, founded in 1969 and based in Tokyo, Japan, is a manufacturer of physical and chemical science equipment for educational purposes. The company offers a wide spectrum of products such as laboratory tables, fume hoods, and microscopes for various educational fields, including science and industrial education in elementary, junior high, and senior high schools across Japan. When universities and institutes relocate, the company offers consulting services for the safe, efficient, and relocation of precise equipment. It also provides consulting services to support permit applications and the creation of attractive campuses.
Sun Platec is an ISO 9001-certified manufacturer and distributor of laboratory equipment and supplies that was established in Osaka, Japan, in 1960. The company offers laboratory equipment such as tubes and pipettes, and laboratory supplies such as wipes and tips. It also offers various containers including flasks and bottles, and polytetrafluoroethylene (PTFE) beakers and crucibles. The company’s products are commonly used in Asia’s educational and research institutions. Its clients include companies in the biotech, pharmaceutical, and food processing industries.
THELONG AIRTECH JOINT STOCK COMPANY, established in 2007 and based in Ha Noi City, Vietnam, is a manufacturer and supplier of clean air systems and related equipment. The company's product range includes Air shower/pass box, Air filter, Cleanroom equipment in the operating room, Clean bench/Biosafety cabinet/Isolator, and Cleanroom/BSL-3/CPC. These products ensure a controlled environment, contamination prevention, air purification, and maintenance of sterile conditions. Serving the Electronics, Food, Hospital, Laboratory, and Medical sectors, it offers services such as installation, maintenance, consultation, and custom equipment design.
Ranking as of April 2026
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Sartorius AG |
14.3%
|
| 2 | Shimadzu RIKA Corporation |
12.1%
|
| 3 | THELONG AIRTECH JOINT STOCK COMPANY |
11.0%
|
| 4 | Masterflex Group. |
9.9%
|
| 5 | Fumex Movex Group |
8.8%
|
| 6 | Shin-ei Sangyo Co., Ltd. |
8.8%
|
| 7 | Orient Giken Co., Ltd. |
7.7%
|
| 8 | Sun Platec |
7.7%
|
| 9 | NIPPON MEDICAL & CHEMICAL INSTRUMENTS CO., LTD. |
7.7%
|
| 10 | SANKI SEISAKUSHO.CO.LTD. |
6.6%
|
Derivation Method
The ranking is calculated based on the click share within the draft chamber page as of April 2026. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
Japan
|
3 | 75.0% |
|
Turkey
|
1 | 25.0% |
91 products found - Page 2
91 products - Page 2
Manzen Works Co., Ltd.
520+ people viewing
Last viewed: 1 day ago
It is a basic type used for general experiments. With the navigation panel (optional) installation, operability and safety have been further improved.
Manzen Works Co., Ltd.
520+ people viewing
Last viewed: 18 hours ago
It is made of all PVC suitable for acid and alkaline applications. It is a space -saving all -in -one type that integrates a small and high -perfor...
Manzen Works Co., Ltd.
520+ people viewing
■ Features of draft chamber itself ・ Equipped with an exhaust gas cleaning device parasower. ・ The operability has been further improved with the...
Manzen Works Co., Ltd.
520+ people viewing
Since the triple filling layer has a long spit contact time, it is high -cleaning efficiency. It boasts thousands of productions. We will inform yo...
Yagyu Shokai Co., Ltd.
520+ people viewing
Last viewed: 1 day ago
Made of PVC, it is suitable for work using acids and alkalis. Due to its compact size, it does not take up much space.
Yagyu Shokai Co., Ltd.
500+ people viewing
Last viewed: 28 minutes ago
Made of PVC, it is suitable for work using acids and alkalis. Due to its compact size, it does not take up much space.
Yagyu Shokai Co., Ltd.
490+ people viewing
Last viewed: 28 minutes ago
- Non-woven fabric pre-filter and antibacterial/odor-resistant HEPA filter remove dust and safely exhaust it from the workspace. -The frame can be ...
Yagyu Shokai Co., Ltd.
490+ people viewing
Last viewed: 28 minutes ago
・Since the gas is sucked downward, it is suitable for suctioning gases with high specific gravity. - There is a waste liquid tray under the work s...
Manzen Works Co., Ltd.
490+ people viewing
Last viewed: 9 hours ago
Organic solvents, alkali, acid, odor, etc. can be absorbed and removed with activated charcoal. Select an activated carnivorous extract with the ta...
Yagyu Shokai Co., Ltd.
490+ people viewing
Last viewed: 28 minutes ago
This is a transparent PVC exhaust hood that can be installed on the AIIP series of PVC sinks. The FB type comes with a beaker hook. *Exhaust fan i...
Manzen Works Co., Ltd.
480+ people viewing
Last viewed: 9 hours ago
A lineup of PVC for acids and alkaline use and two steels for organic solvents. Like a typical draft chamber, it can be maintained in a clean envir...
Yagyu Shokai Co., Ltd.
480+ people viewing
Last viewed: 28 minutes ago
■Features ・No duct or piping work is required, and it can be used immediately after installation. - Compact design that does not take up much spac...
2 models listed
Manzen Works Co., Ltd.
480+ people viewing
Last viewed: 9 hours ago
A lineup of PVC for acids and alkaline use and two steels for organic solvents. Like a typical draft chamber, it can be maintained in a clean envir...
Manzen Works Co., Ltd.
460+ people viewing
Organic solvents, alkali, acid, odor, etc. can be absorbed and removed with activated charcoal. Select an activated carnivorous extract with the ta...
Manzen Works Co., Ltd.
460+ people viewing
Last viewed: 1 day ago
It is a basic type used for general experiments. With the navigation panel (optional) installation, operability and safety have been further improved.
Yagyu Shokai Co., Ltd.
450+ people viewing
Last viewed: 28 minutes ago
■Easy connection with round duct - Compact design makes it easy to carry. - Filters can be selected according to the chemicals used (sold separatel...
Manzen Works Co., Ltd.
440+ people viewing
Organic solvents, alkali, acid, odor, etc. can be absorbed and removed with activated charcoal. Select an activated carnivorous extract with the ta...
Manzen Works Co., Ltd.
430+ people viewing
Last viewed: 13 hours ago
It is made of all PVC suitable for acid and alkaline applications. It is a space -saving all -in -one type that integrates a small and high -perfor...
Manzen Works Co., Ltd.
420+ people viewing
Since the triple filling layer has a long spit contact time, it is high -cleaning efficiency. It boasts thousands of productions. We will inform yo...
Manzen Works Co., Ltd.
410+ people viewing
Last viewed: 1 day ago
A basic all -PVC draft chamber suitable for acid and alkaline applications. * Customized according to your request
Shin'ei Sangyo Co., Ltd.
410+ people viewing
Last viewed: 22 hours ago
■Product description - A tabletop mini-draft that can exhaust only your hands while working. -Small and lightweight, making it easy to carry.
Manzen Works Co., Ltd.
390+ people viewing
Last viewed: 1 day ago
A lineup of PVC for acids and alkaline use and two steels for organic solvents. Like a typical draft chamber, it can be maintained in a clean envir...
Manzen Works Co., Ltd.
390+ people viewing
Since the triple filling layer has a long spit contact time, it is high -cleaning efficiency. It boasts thousands of productions. We will inform yo...
Shin'ei Sangyo Co., Ltd.
340+ people viewing
Last viewed: 1 day ago
■Product description ・Draft chamber with built-in clean supply device. ・You can adjust the exhaust flow rate and position by adjusting the louver...
Kokugo Co., Ltd.
330+ people viewing
Last viewed: 15 hours ago
Standard draft chamber (made of steel) NXB-12-TN 1,200×850×2,300Hmm ■Features Widely used as a standard draft chamberer in chemical laboratories, ...
Fuji Inback Co., Ltd.
320+ people viewing
Last viewed: 19 hours ago
■Clean Blaster "Clean Blaster" was developed as a device for cleaning semiconductor manufacturing equipment by applying the principle of sandblasti...
Shin'ei Sangyo Co., Ltd.
290+ people viewing
Last viewed: 11 hours ago
■Product description - 3-layer filter catches gas and dust. ・The activated carbon filter can be customized according to the type of gas to be remo...
Ryokosha Co., Ltd.
260+ people viewing
Last viewed: 53 minutes ago
■Summary Can be customized to specifications according to the workpiece and application. This draft chamber is compatible with stainless steel and ...
