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  6. Union gasket type joint UPG joint (FS)

Union gasket type joint UPG joint (FS)

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last updated:Oct 23, 2025

Fujikin Incorporated
Fujikin Incorporated
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This is a super high purity, ultra-small metal gasket type joint for ultra-high purity use.

<Features> 1. Miniaturization (approximately 70% of UJR) 2. Separation of the sealing part and the part subjected to external forces 3. Dead space free 4. Mechanism to prevent excessive tightening and damage to the tip of the sealing part 5. SUS316L W melt material UP treatment standard for liquid and gas contact parts 6. Nut with built-in pure ring

    Pipe Fittings
(カ)UPG.jpg

Union gasket type joint UPG joint (FS)

(カ)UPG.jpg
(カ)UPG.jpg
  • Related Link - https://www.fujikin.co.jp/ja/product/products/list…
  • Special site - Product/service details - https://pr.mono.ipros.com/fujikin/product/

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basic information

<Specifications> Maximum operating pressure (MPa): 21.5 Operating fluid temperature range (°C): -196 to +450 Key material: Stainless steel Connection method: Union gasket type Nominal diameter: 3.2 mm to 12.7 mm

Price range

Please contact us for details

Delivery Time

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Applications/Examples of results

Use fluids: Inert gases such as air, nitrogen, and helium, as well as gases and liquids that do not corrode wetted parts.

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High-performance ultra-compact gasket joint UPG joint

High-performance ultra-compact gasket joint UPG joint

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News about this product(7)

[Exhibition] 12/17 to 12/19 "SEMICON Japan 2025" Exhibition Information

  • UPDATE
  • Seminar・Event

We will be exhibiting at the international exhibition for semiconductor manufacturing equipment and materials, "SEMICON Japan 2025." At our booth, we will showcase valves and fluid control devices that are essential for semiconductor manufacturing equipment, featuring high airtightness and high durability, as well as our "high throughput process gas supply valve" that supplies process gases quickly and stably to manufacturing equipment. ========================= Additionally, we will hold a "Fitting Installation Experience Session"!! At the Fujikin exhibition booth, an instructor will provide a hands-on explanation while using the fittings. (Participation is free) Target products: V-Lok, UJR/UPG, IGS We will discuss the fundamentals that are usually not covered, so whether you are a beginner or a veteran, we invite you to join us. ========================= ★ Furthermore, we are currently running a visit campaign exclusively for "CLUB FUJIKIN" members, where you can receive handy goods! Please take this opportunity to register and come visit us!

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[Catalog Update] Needle Stop Valve / Metal Diaphragm Valve / UJR Fitting / UPG Fitting / FCS-T / FCS-P

  • Catalog news

The catalog has been revised. Valves "NEW US-VALVES Manben-kun Needle Stop Valve" "Metal Diaphragm Valve NEW MEGA series" Fittings "Metal Gasket Fitting UJR Fitting & Automatic Welding Fitting" "High-Performance Ultra-Compact Gasket Fitting UPG Fitting" Systems "Mass Flow Controller FCS Thermal Series" "Flow Control System FCS Pressure Series" Please check the related product information.

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[Exhibition] 9/18 to 9/20 "VACUUM2024 Vacuum Exhibition" Exhibition Information

  • Seminar・Event

We will be exhibiting at Japan's largest vacuum equipment and vacuum device comprehensive exhibition, "VACUUM2024." At our booth, we will showcase a variety of products suitable for vacuum lines that require ultra-high purity and high airtightness, including the mass flow controller "FCS Pressure Series." Scheduled products for exhibition: - FCS Pressure Series - FCS Thermal Series - Integrated Gas System (IGS) - New V-Lok - PURE Series, etc. ★ A special campaign is currently underway for "CLUB FUJIKIN" members, where you can receive handy goods just for visiting! Please take this opportunity to register and come see us!

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[Exhibition] 12/13 to 12/15 "SEMICON Japan 2023" Exhibition Information

  • Seminar・Event

We will be exhibiting at the international exhibition for semiconductor manufacturing equipment and materials, "SEMICON Japan 2023." At our booth, we will showcase essential semiconductor manufacturing equipment, including valves with high airtightness and durability, fluid control devices, and soft diaphragm valves for pharmaceutical and food lines. ========================= Additionally, for the first time, we will hold a "Fitting Installation Experience Session"!! At the Fujikin exhibition booth, an instructor will provide a demonstration while using actual fittings. (Participation is free) Target products: New V-Lok, UJR/UPG, IGS We will discuss the basics that you usually don't hear about, so whether you are a beginner or a veteran, please come and join us. ========================= ★ Also, a visit campaign is currently underway exclusively for "CLUB FUJIKIN" members, where you can receive handy goods without fail! Please take this opportunity to register and visit us!

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Companynews list (83)

Company information

Fujikin

Fujikin Incorporated

Machine elements and parts

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Fujikin is a cutting-edge manufacturer of ultra-precision fluid control systems, focusing on specialized valve equipment. Since its founding in 1930, the company has consistently challenged the limits and made it its corporate policy to exceed the ultimate in technology. We support people's lives and society across a wide range of fields, including semiconductors, hydrogen, pharmaceuticals, analysis and measurement, and space. We will continue to contribute to a sustainable society through comprehensive technology in fluid control equipment and systems. Please feel free to contact us if you have any inquiries.

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