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  1. Home
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  3. ナック
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Industrial Electrical Equipment
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ナック

EstablishmentJuly 4, 1961
capital1530Ten thousand
number of employees10
addressTokyo/Hachioji-shi/838-3 Kawamachi
phone042-659-1315
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last updated:Jan 24, 2023
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ナック List of Products and Services

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Air leak test device Air leak test device
Leak Tester Leak Tester
Leak test equipment for the automotive industry Leak test equipment for the automotive industry
Leak testing equipment for the electronics industry Leak testing equipment for the electronics industry
Leak test equipment for the gas and water supply industry Leak test equipment for the gas and water supply industry
Leak testing equipment for the medical, pharmaceutical, and food industries. Leak testing equipment for the medical, pharmaceutical, and food industries.
Differential pressure leak tester Differential pressure leak tester
Pressure measurement related Pressure measurement related
Flow measurement related Flow measurement related
Leak test related products Leak test related products
Other products Other products
Leak

Leak test related products

These are leak test-related products for leak inspection handled by Nack.

One-touch coupler (for male thread)

One-touch coupler for airtightness testing

You can connect to the male thread with a one-touch connection. The work that previously required wrapping seal tape and tightening with tools can now be done with a one-touch connection. Disconnection is also one-touch. *Fluid supply and exhaust will need to be handled separately. ■Features 1. The one-touch coupler locks and seals by being pushed onto the male thread. 2. The sleeve of the one-touch coupler is slid to unlock it. 3. It is also excellent in waterproof, water resistance, and chemical resistance. *You can download the catalog from the download button below.

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Leak Test Laboratory

Data collection is possible with samples! Leak inspection, leak test laboratory.

At NAKK, we have established a "Leak Test Lab" to help you gain a deeper understanding of leak testing. By sending us samples in advance, we will select the testing method, collect data, and report the optimal setting time and detectable leak amounts. We will assist you in introducing the most suitable method to your test line. 【Common Issues】 - Already using a leak tester, but it is unstable. - Need to perform leak tests but do not know how. 【What You Can Experience】 - Selection of leak testing methods for brought-in work - Data collection with samples - Technical guidance - Training - Suggestions for optimal test line introduction methods 【Cost】 Basically free of charge. *We will only charge necessary expenses for items that require fabrication, such as sealing jigs.

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Please feel free to consult us about anything related to leak tests.

Nack's leak tester, with excellent features such as "easy," "high-precision results," "short time," "low cost," and "automatable," solves your problems!

The leak tester applies pressure or vacuum to finished products and components, and electrically detects pressure changes in the event of a leak using a highly sensitive differential pressure sensor. Since leaks are detected electrically, it is easy to quantify and automate leak testing, which was not possible with traditional visual inspection methods. The elimination of the drying process and the removal of individual differences in detection capability are also significant advantages. We provide testing machines that are particularly suitable for airtightness testing of automotive parts, gas/water supply components, mobile phones, digital cameras, and medical devices. We will verify the testing methods that match your testing conditions at the leak test lab. *For examples of leak tester implementations, please visit our website. For more details, please download the catalog or feel free to contact us.

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Leak Tester Technology Introductory Book Free Download Campaign

Just by reading, you can understand leak testing technology! An introductory book on leak testers.

Many of the items, facilities, parts, and machines necessary for production that we use in our daily lives must not allow their contents to leak, either internally or externally. For example, if there is a leak in gas or water piping components, it is a waste of resources and can sometimes be dangerous. Let's make good use of leak testers to prevent "leaks"! == New Product == Differential Pressure Leak Tester NLT-330 It detects leaks with high precision by comparing measurements with a leak-free master. Its compact design makes it easy to operate. You can preset up to ten different conditions, allowing for easy recall based on the workpiece. Highly recommended for beginners in leak testing!

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Comprehensive Catalog of Measuring Instruments

【Comprehensive Catalog Giveaway】 Packed with industrial measuring instruments, leak testers, and labor-saving automation devices!

We are specialists in industrial measuring instruments, including leak testers, cup collars, and labor-saving and automation devices. === Please contact us if you would like a comprehensive catalog === We manufacture various essential products for industries such as automotive, electronics, gas and water supply, and medical sectors. With a mission to achieve shorter delivery times and lower costs through in-house development, a prompt and accurate follow-up system, and the development of unique technologies only specialists can provide, we deliver products that ensure customer safety and trust. For more details, please contact us or download the catalog.

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Compact Component Dedicated Tabletop Leak Tester NT-700

Ideal for leak testing of waterproof products and components!

It detects leaks with high precision because it is a comparative measurement with a leak-free master. It has a compact design and is easy to operate.

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Hand-tightening coupler (for male threads)

Air-tightness testing hand-tight coupler (FA type)

You can connect directly to the male thread you want to connect to, completing the sealing process. The work of wrapping sealing tape and tightening with tools, which was required every time until now, will no longer be necessary. It features a more compact design than the one-touch type. *Note that separate fluid supply and exhaust will be required. ■ Features 1. You can tighten it by hand (no tools needed) to the male thread you want to connect. 2. Sealing occurs when the packing contacts the end face of the male thread. 3. It is excellent in waterproof, water-resistant, and chemical-resistant properties. *You can download the catalog from the download button below.

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Hand-tight coupling (for male threads)

Air-tightness test hand-tight coupling (FB type)

You can seal it simply by connecting it directly to the male thread you want to connect. The work of wrapping sealing tape and tightening it with tools, which was required every time until now, will no longer be necessary. It has a more compact design than the one-touch type. *Separate supply and exhaust for fluids will be required. ■ Features 1. You can tighten it by hand (no tools needed) to the male thread you want to connect. 2. Sealing is achieved by the packing making contact with the end face of the male thread. 3. It is excellent in waterproofing, water resistance, and chemical resistance. *You can download the catalog from the download button below.

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One-touch coupler (for male thread)

One-touch coupler for airtightness testing (FD type)

You can connect to the male thread with a one-touch connection. The work that previously required wrapping seal tape and tightening with tools can now be done with a one-touch connection. Disconnection is also one-touch. *Fluid supply and exhaust will need to be handled separately. ■Features 1. The rear end of the one-touch coupler locks and seals by being pushed into the male thread work side. 2. The release mechanism at the rear end of the one-touch coupler is slid to unlock. 3. It is also excellent in waterproof, water resistance, and chemical resistance. *You can download the catalog from the download button below.

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Six-axis robot leak test device

Fully automated leak test device.

It was very difficult to set the workpiece using a robot in a leak test where a clamping mechanism is essential to seal the workpiece. However, by using a six-axis robot, we were able to gain a certain degree of freedom in movement, which allowed us to resolve the issue. Additionally, for the loading and unloading, we use air cylinders to keep the slide end in its original position, which results in a design that minimizes displacement in the Y (X) axis. We are moving away from conventional semi-automatic machines (manual workpiece setting) and achieving online automation.

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Direct Pressure Low-Cost Leak Tester 'NLT-130'

Compact design, master tankless, dedicated machine focused on cost performance leak tester.

The NLT-130 is a direct pressure air leak tester designed with essential functions prioritized for cost-effectiveness. - Recommended for those who want to implement it as cheaply as possible. - Currently conducting all direct pressure air leak tests manually. It features automatic functions from pressurization to measurement and OK/NG judgment after pressing the start button. The displayed value only shows the pressure within the measurement volume (including piping). *No zero reset during measurement transition. 【Features】 ■ Thorough cost performance ■ No difficult adjustments required without a master tank ■ Compact design for easy operation

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