Plate nuts with hex head bolts M8, DN250CF (set of 25)

ConFlat (CF) Flanges & Fittings – Built for Ultra-High Vacuum Performance

When precision matters, ConFlat (CF) flanges are the industry standard for ultra-high vacuum (UHV) applications. Engineered for reliability, these components deliver exceptional sealing performance in demanding environments.

Why Choose CF Flanges?

• Wide Size Range: From DN16CF to DN350CF, we’ve got every size you need.
• Two Styles: US and European designs, easily identified by bolt hole patterns.
• Premium Materials: Manufactured from Stainless Steel 304 or 316L for durability and corrosion resistance.
• Superior Sealing: Copper gaskets combined with knife-edge flanges ensure a leak-tight UHV seal.
• High-Temperature Capability: Withstand bake-out temperatures up to 450 °C.

Modular & Maintenance-Friendly The CF system’s modular design makes assembly and disassembly quick and hassle-free. Perfect for customizing vacuum setups, performing maintenance, or replacing components—minimizing downtime and maximizing efficiency.

Exclusive US Sizes

Looking for sizes that European suppliers often don’t stock? We’ve got you covered:

• DN25CF
• DN50CF
• DN76CF
• DN125CF