![KF40 NW Hose Adaptor Stainless Steel Size [Hose ID]:20mm Our KF25 NW Thin Wall](https://cdn.shopify.com/s/files/1/0117/2714/2969/products/HoseNozzle_KF10_12mm_d1437afd-bc54-4862-8de5-2ce06316b17d.jpg?v=1539227953)
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Our KF25 NW Thin Wall Stainless Steel Bellows Flexible Hose follow ISO-KF standards
When using silicone-free Apiezon L Grease this is not a problem
They are made of corrosive resistant 304L stainless steel and FKM (Viton) O Rings suitable up to 180C Temperatures
it is frequently used as a stationary phase in gas chromatography
Expert technical support
KF40 NW Hose Adaptor Stainless Steel Size [Hose ID]:20mm Our KF25 NW Thin WallOur KF40 NW Stainless Steel Hose Adaptors follow ISO KF standards. The Hose size is measured as the internal diameter size (DN). They are commonly used to build vacuum systems with a vacuum level < 10E 8 mbar Torr. They are often called quick flange fittings because they are quick to assemble. A circumferential clamp and centering ring form the vacuum seal between the connecting flanges. The centering ring contains a rubber elastomer o ring. The
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