Kf25 Adaptor
Overview
Product sourcing insights & recommendations


The KF25 adaptor (also known as NW25 or DN25) is a cornerstone of industrial vacuum systems, widely used for its quick-release capability and reliable sealing up to $10^{-8}$ Torr ThorlabsLesker. The market is currently driven by the massive expansion of the semiconductor manufacturing equipment sector, which is projected to grow from $166.35 billion in 2025 to $344.36 billion by 2032 (11.0% CAGR) Marketsandmarkets.
Market Trends & Insights
* Semiconductor & AI Boom: The demand for advanced logic and memory chips (3nm/2nm nodes) is pushing the need for high-vacuum environments. KF25 adaptors are critical in front-end equipment like lithography, etching, and deposition (ALD/CVD) Marketsandmarkets.
* Material Shift: While 304 Stainless Steel remains common, there is a growing shift toward 316L Stainless Steel for its superior corrosion resistance and lower outgassing, especially in high-purity piping systems LeskerSphericalinsights.
* Modularity & Speed: The trend toward quick-release toggle clamps and "sexless" flange designs allows for rapid system reconfiguration in research labs and fabs, reducing downtime significantly ThorlabsMks.
Product Specifications
* Standard Size: Flange OD of 1.57" (40mm) with a nominal tube diameter of 1" (25.4mm) Mks.
* Performance: Operating temperatures typically range from 0°C to 150°C (with Viton O-rings) Thorlabs.
* Versatility: Common adaptors transition KF25 flanges to NPT threads, Hose Barbs, or other flange standards like ISO or CF for hybrid vacuum systems ThorlabsMks.
I have identified several high-quality sourcing options from verified manufacturers, with prices for standard stainless steel adaptors ranging from $1.35 to $15.00 depending on the specific transition type and quantity.
Would you like to analyze these products based on price and MOQ? You can continue with:
Kf25 Vacuum Flange Adapter Stainless Steel 304 316l
Products · 3 lists

Stainless Steel Adapter KF to ISO Flange With ISO-KF NW to ISO-LF NW Stainless Steel Vacuum Fitting
Shanghai Yuexin Trading Company Limited🇨🇳CN9 yrs
Sanitary Stainless Steel 304 1/4" BSPT Vacuum Adapter X NW/KF25 Flange
Wenzhou Sunthai Valve Co., Ltd.🇨🇳CN10 yrs
SS304 SS316L Stainless Steel High Quality Vacuum KF10/16/25/40/50 Conical Reducing Adaptor Pipe Fittings KF25XKF16 Flange NW25
Wenzhou Qiming Stainless Co., Ltd.verified🇨🇳CN12 yrs
KF-KF Straight Pipe Reducing Adaptor KF10 to KF50 High Vacuum Flange Connected in Ss304 Tubulated Concentric Reducer Adaptor
Beijing Super Q Technology Co., Ltd.verified🇨🇳CN9 yrs
SUS304 Stainless Steel Vacuum Flange Pipe Fittings Quick Coupling Adapter KF
Shanxi Province Yangquan Metals & Minerals Imp. & Exp. Co., Ltd.🇨🇳CN18 yrs
Vacuum KF25 Flange Thread Pipe to NPT BSP Male Adaptor with Stainless Steel NW KF End
Wenzhou Cuite Stainless Steel Co., Ltd.🇨🇳CN9 yrs
KF16/KF40/KF25 Vacuum Flange to Rubber Hose Barb Adapter Sanitary Stainless Steel 304 ISO-KF Size Fitting

KQ Ss 304 316 Vacuum Stainless Steel KF to ISO Flange Reducer Ferrule Adapter
Zhejiang Kequan Fluid Equipment Co., Ltd.🇨🇳CN8 yrs
SUS304 316 Vacuum Thread Flange KF50 KF40 to NPT Male Female Pipe Adapter
Beijing Leadmed Technology Co., Ltd.🇨🇳CN5 yrs
China Supplier High Vacuum KF ISO CF NW Reducing Conical Male Female Flange Adaptor
Shanghai Yunmu Information Technology Co., Ltd.verified🇨🇳CN6 yrs
Stainless Steel Vacuum Straight Concentric Reducer KF to ISO Reducing Adaptor
Wenzhou Rejia Valve Co., Ltd.🇨🇳CN4 yrs
Sanitary Stainless Steel Vacuum Fittings KF25 to 1/4" NPT Male Adapter
Wenzhou Longva Machine Co., Ltd.🇨🇳CN14 yrsRelated Searches
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Sources & References
26 sources cited · Verified industry data & reports

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