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  1. Home
  2. Machine elements and parts
  3. CPC(コールダー・プロダクツ・カンパニー)・ジャパン・オフィス
  4. New release: Small fittings for liquid cooling LQ4!
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  • Sep 25, 2014
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Sep 25, 2014

New release: Small fittings for liquid cooling LQ4!

CPC(コールダー・プロダクツ・カンパニー)・ジャパン・オフィス CPC(コールダー・プロダクツ・カンパニー)・ジャパン・オフィス
This is a coupling joint with a patented anti-seizing structure currently under application. It is designed to prevent accidents such as valve leaks or disconnections due to seizing, even when connected for long periods. The LQ4 features a compact, non-spill design that minimizes liquid drippage during attachment and detachment, with very little air contamination. By preventing seal seizing, this highly reliable product is ideal for liquid cooling in supercomputers and precision instruments. Additionally, it is effective in countering seal material seizing caused by fluorinated cleaning and cooling fluids (such as Fluorinert and Iceon).
This is an image of LQ4.
This is an image of LQ4.
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LQ4シリーズ.pdf[327266]

Related product

091214_.jpg

World's smallest and lightest class! Resin non-spill NS1 coupling.

A low-cost non-spill connector that eliminates liquid dripping during attachment and detachment! Suitable for ink and medical use too!

CPC's one-touch fittings (couplings) have a lineup of over 18,000 types. Among them, the 'push-button non-spill joint,' which is classified as the world's smallest and lightest (*), is a fitting that contributes to the miniaturization of final products without causing liquid drips during attachment and detachment. It can be attached and detached with one hand in an instant while under pressure, and it minimizes air entry into the line to nearly zero, preventing the solidification and deterioration of inks and other substances. If you are considering cost reduction and weight reduction for stainless steel couplings, we also offer fittings made from super engineering plastic polysulfone. For more details, please download the catalog. You can also view a demonstration at the link below. http://www.youtube.com/watch?v=R55q-mLkXE0 * World's smallest and lightest... as a push-button non-spill fitting with valves on both sides. As of 2019.

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Water cooling and liquid cooling joints (couplings, connectors, fittings)

The NS series allows for one-touch connections without any liquid leakage. Significant cost reduction from stainless steel fittings with super engineering plastic fittings!

By using the NS (Non-Spill) series, which prevents water drips during attachment and detachment, you can avoid the risk of splashing onto electronic devices. Additionally, by using polysulfone coupling (such as HFC35 and HFC57), which is a super engineering plastic, significant cost reductions can be achieved compared to stainless steel couplings. There are also many products that can be used at ultra-low temperatures (down to minus 40 degrees) and have excellent weather resistance. You can watch a demonstration video at the following link: http://www.youtube.com/watch?v=R55q-mLkXE0 We also sell metal non-spill couplings made from materials such as stainless steel and aluminum. Furthermore, some metal couplings can handle temperatures up to 204 degrees. Please contact us for more details.

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Catalog of Liquid Cooling Fittings (Connectors and Joints) for Computers and Equipment

Antifreeze with a proven track record for long-term use; the NS series allows for one-touch connection without liquid dripping. Significant cost reduction from stainless steel fittings with super engineering plastic fittings.

There are many usage records with major manufacturers both domestically in Japan and overseas for liquid cooling and water cooling. There are also numerous records for antifreeze liquids such as propylene glycol and ethylene glycol. We have many successful results from long-term degradation tests at ultra-low temperatures (minus 40 degrees) and at high temperatures significantly exceeding 100 degrees. By using the NS (Non-Spill) series, which prevents water dripping during attachment and detachment, you can avoid the risk of splashing onto electronic devices. Additionally, by using polysulfone couplings (such as HFC35 and HFC57), which are super engineering plastics, significant cost reductions can be achieved compared to stainless steel couplings. There are also products that excel in weather resistance. You can view demonstration videos at the link below: http://www.youtube.com/watch?v=R55q-mLkXE0

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LQ4.png

Preventing adhesion Small-sized joint LQ4

Coupling joint with a fixation prevention structure under patent application

It is designed to prevent accidents such as valve leaks due to adhesion or disconnection, even when connected for long periods of time. The LQ4 features a compact, non-spill design that minimizes liquid dripping during attachment and detachment, with very little air intrusion. By preventing seal adhesion, this highly reliable product is ideal for liquid cooling (water cooling) of supercomputers and precision equipment. Additionally, it is effective in countering seal material adhesion caused by fluorinated cleaning and cooling fluids (such as Fluorinert and Iceon).

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LQ4.png

Small Fitting for Liquid Cooling (Water Cooling) LQ4

Coupling joint with a fixation prevention structure under patent application

It is designed to prevent accidents such as valve leaks due to sticking or disconnection, even when connected for long periods of time. The LQ4 features a compact non-spill design, with nearly zero liquid drippage during attachment and detachment, and minimal air ingress. By preventing seal sticking, this highly reliable product is ideal for liquid cooling of supercomputers and precision equipment. Additionally, it is effective in countering seal material sticking caused by fluorinated cleaning agents and coolants (such as Fluorinert and Iceon).

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LQ4.png

Small Fitting for Fluorine-based Liquids LQ4

Coupling joint with a fixation prevention structure under patent application.

This is a coupling joint with a patented anti-seizing structure currently under application. It is designed to prevent accidents such as valve leaks or disconnections due to seizing, even after long-term connections. The LQ4 features a compact, non-spill design that minimizes liquid drippage during attachment and detachment, with very little air contamination. By preventing seal seizing, this highly reliable product is ideal for liquid cooling (water cooling) in supercomputers and precision equipment. Additionally, it is effective in preventing seal material seizing caused by fluorinated cleaning agents and coolants (such as Fluorinert and Iceon).

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LQ6.JPG

Fluorine-based liquid fitting LQ6

Joint (coupling joint) with a fixation prevention structure under patent application.

This is a coupling joint with a patent-pending anti-seizing structure. It is designed to prevent accidents such as valve leaks or disconnections due to seizing, even after long periods of connection. The LQ6 features a non-spill design, resulting in nearly zero liquid dripping during attachment and detachment, with minimal air entrapment. By preventing seal seizing, this highly reliable product is ideal for liquid cooling (water cooling) of supercomputers and precision equipment. Additionally, it is effective in preventing seal material seizing caused by fluorinated cleaning agents and coolants (such as Fluorinert and Isceon).

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LQ6.JPG

Liquid cooling (water cooling) fitting LQ6

Coupling joint with a fixation prevention structure under patent application

It is designed to prevent accidents such as valve leaks due to sticking or disconnection, even when connected for long periods. The LQ6 features a non-spill design, with nearly zero liquid dripping during attachment and detachment, and minimal air intrusion. By preventing seal sticking, this highly reliable product is ideal for liquid cooling in supercomputers and precision equipment. Additionally, it is effective in countering seal material sticking caused by fluorinated cleaning and cooling fluids (such as Fluorinert and Iceon).

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LQ6.JPG

Joint to prevent sticking LQ6

Coupling joint with a fixation prevention structure under patent application

It is designed to prevent accidents such as valve leaks due to adhesion or disconnection, even when connected for long periods of time. The LQ6 features a non-spill design, with nearly zero liquid dripping during attachment and detachment, and minimal air intrusion. By preventing seal adhesion, this highly reliable product is ideal for liquid cooling (water cooling) of supercomputers and precision equipment. Additionally, it is effective in countering seal material adhesion caused by fluorinated cleaning agents and coolants (such as Fluorinert and Isceon).

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Related catalog(9)

Laser Equipment Liquid Cooling (Water Cooling) Fittings (Joints, Couplings, Connectors) Catalog LC, NS, LQ, RPLQ

Laser Equipment Liquid Cooling (Water Cooling) Fittings (Joints, Couplings, Connectors) Catalog LC, NS, LQ, RPLQ

PRODUCT
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Save energy with liquid cooling! Eliminate liquid dripping during attachment and detachment. Non-spill fittings and high-temperature super engineering plastic fittings as well.

Save energy with liquid cooling! Eliminate liquid dripping during attachment and detachment. Non-spill fittings and high-temperature super engineering plastic fittings as well.

PRODUCT
  • E-book viewing
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CPC Coupling (Joint Connector) Japanese Comprehensive Catalog

CPC Coupling (Joint Connector) Japanese Comprehensive Catalog

PRODUCT
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Fluorine-based liquid fittings LQ4 catalog

Fluorine-based liquid fittings LQ4 catalog

PRODUCT
  • E-book viewing
  • Catalog download

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Liquid Cooling (Water Cooling) Fitting LQ4 Catalog

Liquid Cooling (Water Cooling) Fitting LQ4 Catalog

PRODUCT
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  • Catalog download

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Joint to Prevent Sticking LQ4 Catalog

Joint to Prevent Sticking LQ4 Catalog

PRODUCT
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Joint to Prevent Sticking LQ6 Catalog

Joint to Prevent Sticking LQ6 Catalog

PRODUCT
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Liquid Cooling (Water Cooling) Fitting LQ6 Catalog

Liquid Cooling (Water Cooling) Fitting LQ6 Catalog

PRODUCT
  • E-book viewing
  • Catalog download

Contact this catalog

Fluorine-based liquid fittings LQ6 catalog

Fluorine-based liquid fittings LQ6 catalog

PRODUCT
  • E-book viewing
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CPC(コールダー・プロダクツ・カンパニー)・ジャパン・オフィス
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Fukuda's leak test, leak inspection, leak detection, leak test, integrity test.

  • NEW
  • PRODUCT

Fukuda Co., Ltd. has been pursuing leak detection for 60 years and is committed to advancing the future of leak testing. 【 Supporting Various Leak Tests: Air Leak Test / Gas Leak Test (Hydrogen Gas, Helium Gas) 】 We develop, manufacture, and sell leak testing equipment to inspect airtightness and sealing properties. We will propose the appropriate testers and devices for each inspection target. 【 Target Industries and Examples of Inspection Targets 】 - Automotive Industry: Engines, FC components, valves and piping, various parts - Electronic Components Industry: Smartphones, keyless switches, various small sensors - Pharmaceuticals / Food / Cosmetics Industry: Bottle containers, syringes, vials, eye drop containers, pillow packaging, PTP packaging We will propose the most suitable leak testers for each industry. 【 ISO Certification 】JIS Q 9001:2015 (ISO 9001:2015)

Jan 23, 2026

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[Opening on January 6, 2026] New service launched to search for exhibits nationwide.

  • NEW
  • COMPANY

We have launched a "Display Item Search Page" that allows you to search for unit houses currently on display at exhibition halls nationwide, which was made available on January 6, 2026. There are over 800 items listed on the website. You can filter by area, price range, size, purpose, product type, color, and more. You can also check exterior and interior photos, prices, facilities, and drawings/specifications online. If you're interested in a display item, you can directly inquire, make a reservation to visit, or consult via LINE. This is a convenient service that allows you to efficiently progress from comparison to detailed consideration. Please take a look!

Jan 23, 2026

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Publication of a paper in Oxford Open Materials Science

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  • OTHER

A co-authored paper by Shin Otsuki from the Data Science Department and another author has been published in Oxford Open Materials Science. 【Paper Summary】 Title: The Exploration of Enhanced Methods in Data Science and Applications in Materials Science Authors: Raymond Wu, Shin Otsuki

Jan 23, 2026

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[New Product] Announcement of the High Brightness LED Lighting Box LLBLM-A Series

  • NEW
  • PRODUCT

"With high-precision dimming settings of 256/1000 gradations, you can achieve your desired results." The new 1-channel dedicated model LLBLM-A maximizes the performance of high-brightness LEDs. It offers high light stability through constant current control and flexibly accommodates a wide range of inspection and lighting applications with three types of interfaces: parallel, RS232C, and LAN. In addition to intuitive operation via the front panel, it supports high-precision dimming with 256/1000 gradations (256 gradations in parallel mode). The available emission colors are G (green) and B (blue). This new model balances stable light output with ease of use. For more details, please feel free to contact us.

Jan 23, 2026

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All participants chant for safety.

The Winter Safety Conference for the 7th year of Reiwa was held.

  • NEW
  • COMPANY

Last month, we held a winter safety conference organized by our company. We have compiled the details and atmosphere of the day, as well as information on winter labor accidents, into a PDF. We would appreciate it if you could take a moment to read it.

Jan 23, 2026

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