Ultra-Purity Lined Valves For Semiconductor Manufacturing

At YOUFUMI, we provide industry-leading lined valve solutions for the semiconductor industry, engineered to meet the most stringent demands of purity, safety, and chemical resistance.

Optimize Semiconductor Processes With Youfumi’s Lined Valve Solutions

Semiconductor Manufacturing

Lined 3 way Ball Valve youfumi — Lined 3 Way Ball Valve

lined Wafer Butterfly Valve – youfumi — Lined Wafer Butterfly Valve

lined flanged butterfly valve - youfumi — Lined Flanged Butterfly Valve

Lined Wafer Butterfly Valve – 2 — Lined Lug Butterfly Valve

Lined Diaphragm Valve yfm — Sterile Diaphragm Valves for Biotech Process

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Youfumi’s lined valves are lined with ultra clean fluorine materials, using a dedicated injection molding machine and lining in class 100000 workshop.

Our products cover lined ball valve , lined butterfly valve , lined gate valve, lined check valve etc.

Offering a variety of diameters, pressures and materials options to meet the needs of high-end users in semiconductor industry.

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Reverse Osmosis (RO) Applications

Semiconductor fabs consume millions of gallons of water daily for wafer processing and facility support. Reverse osmosis (RO) is critical for producing high-purity water by removing suspended solids and organic compounds.

YOUFUMI lined valves and fittings offer excellent chemical resistance and zero-leakage performance in RO systems, including:

YOUFUMI’s PTFE/PFA lined ball, plug and check valves resist corrosion from acids like HCl and H₂SO₄, ensuring long life and safety in continuous RO operation.

Ultrapure Water (UPW) Systems

As semiconductor nodes advance below 10nm, ultrapure water becomes essential to prevent particle contamination and maintain wafer yield. UPW systems rely on ultraclean piping and valves to meet SEMI F63 and F104 standards.

YOUFUMI lined valves are ideal for:

All YOUFUMI valves used in UPW service are manufactured in clean environments, tested for extractables, and packaged to preserve purity.

Deionized Water (DI Water) Distribution

Deionized water is used extensively in wafer cleaning and tool rinsing. It must be free of all mineral ions and metallic traces. A single 300mm wafer may require over 6,000 gallons of DI water.

YOUFUMI’s lined butterfly and diaphragm valves provide:

Our corrosion-free valves help maintain resistivity and ensure no metallic contamination in DIW circuits.

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Water Reclamation and Effluent Treatment

After UPW or DI water is used in etching, cleaning, or CMP, it carries toxic residues such as pyrazole, piranha acid, metal ions and oxidizers. Treating and recycling this water is essential for fab sustainability.

YOUFUMI offers corrosion-resistant solutions for:

Lined gate and check valves from YOUFUMI deliver long-term reliability in acid-laden environments with minimal maintenance.

Certified to Perform. Trusted Worldwide.

From raw material inspection to final product delivery, every stage of our production strictly adheres to internationally recognized standards such as ISO and CE. Our fully documented quality control system ensures consistency, reliability, and compliance — giving you complete confidence in every lined valve solution we provide.

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Trusted by Global Partners

We have been trusted and built long-term partnership with leaders across different industries with a variety of global certifications and approvals

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ISO-Certified Cleanroom Solutions for Superior Valve Integrity

Cleanroom Valve Services

In order to ensure that the product performance meets the quality requirements of corrosion resistance and low ion precipitation, Youfumi has built a Dust-free workshop of PPB grade and PPT grade ptfe lining, ultrapure water production workshop, and high purity nitrogen preparation workshop to provide products that meet the requirements of users for the production of semiconductor industrial products.