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  1. Home
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  3. Machinery Parts
  4. Piping parts
  5. Pipe Fittings
  6. Hand-tight coupling (for male threads)

Hand-tight coupling (for male threads)

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last updated:Aug 29, 2025

ナック
ナック
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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.

    Pipe Fittings
IMG_5413.jpg

Hand-tight coupling (for male threads)

IMG_5413.jpg
IMG_5413.jpg IMG_5414.jpg IMG_5415.jpg
  • Official website of Nack Corporation
  • Special site - Product/service details - https://pr.mono.ipros.com/leaktester/product/

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basic information

◆Can be used for leak tests, pressure tests, operational tests, and blind plugs with threaded workpieces. Compatible with Rc (PT) threads and G threads. Pressure resistance varies by size. Please consult us for other standards. Usage examples: ◆ Air leak inspection For pressure supply or sealing during leak testing. During differential pressure jig replacement or master switching. ◆ Submersion testing ◆ Bubble detection inspection

Price information

-

Price range

P2

Delivery Time

P4

※It varies depending on the order period, so please feel free to contact us.

Applications/Examples of results

Engine, fuel system components, water system components, brake system components, exhaust system components, transmission, power steering, radiator, cylinder, valve, hydraulic motor, various pumps, fittings, etc.

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One-touch coupler

One-touch coupler

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ナック

ナック

Industrial Electrical Equipment

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Our company is a specialized manufacturer of leak testing measurement instruments (leak testers) and automation equipment. With over 60 years of experience in the leak tester field, we contribute to quality improvement across various industries. We are committed to cost reduction through total proposals from product ordering to completion, delivery, and after-sales service, along with prompt and accurate follow-up. Please feel free to consult us regarding leak testing and automation equipment. NAC's strengths: 1. Shortened delivery times and reduced costs through in-house development. 2. A rapid and accurate follow-up system (we take responsibility for the entire process from start to finish through direct transactions). *Sales through trading companies are also possible. 3. Development of unique technologies by specialists.

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