KF/NW Vacuum Parts
The EM-Tec standard KF vacuum flange hardware components and parts are directly compatible with all KF, NW of QF vacuum flange hardware connections. Interchangeable designations for these standard rough and medium vacuum flange connections are: KF, DN-KF, ISO-KF, NW, ISO-NW, QF and DN. The standard sizes offered are: DN10KF (adapts to DN16KF) DN16KF DN25KF DN40KF DN50KF Most components are offered in stainless steel. However, for adapters vacuum grade aluminium alloys are sometimes preferred. The standard KF vacuum flange hardware is extensively used to connect vacuum components and can be found on vacuum coating systems, electron microscopes, vacuum ovens, vacuum pumps, vacuum equipment, vacuum gauges etc.Dimensions of DN-KF flanges
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Dimensions in mm |
DN10KF |
DN16KF |
DN25KF |
DN40KF |
DN50KF |
Flange OD ØA | 30 | 30 | 40 | 55 | 75 | |
Centering seal ØB | 12.2 | 17.2 | 26.2 | 41.2 | 52.4 | |
Vacuum line ID ØC | 10 | 16 | 24 | 40.5 | 51 | |
Vacuum line OD ØD | 14 | 20 | 28 | 44.5 | 57 |
- EM-Tec KF flange adapters with 1/8” female NPT thread, made from vacuum grade aluminium, to connect components such as vacuum gauges, small valves and NPT connectors with 1/8” male NPT thread..
- EM-Tec KF flange adapters with 1/8” female NPT thread, made from vacuum grade AISI 304 stainless steel to connect components such as vacuum gauges, small valves and NPT connectors with 1/8” male NPT thread. .
- EM-Tec KF flange adapters with 1/4” female NPT thread, made from vacuum grade aluminium, to connect components such as vacuum gauges, small valves and NPT connectors with 1/4” male NPT thread.
- EM-Tec KF vacuum flange centering seals which consists of a stainless steel centering ring and a Viton O-ring. They are placed between the KF flanges and seal when the flanges are pushed together by the wing nut clamps.
- EM-Tec KF vacuum flange centering seals with centering ring and Viton O-ring. Available with stainless steel AISI 304 centering ring and aluminium centering ring
- EM-Tec replacement O-rings for worn or damaged centering seals. O-rings are made from NBR (Nitrile) and are slightly softer than the Viton seals to provide a secure seal in vacuum lines. Sold in packages of 10
- EM-Tec quick release hinged clamps which are placed around the KF vacuum flanges. By turning the wing nut, the hinged clamp closes and seals the O-ring on the KF vacuum flanges. Made from aluminium with stainless steel pins, bolt and wing nut.
- EM-Tec conical reducer with KF40, KF25 and KF16 flanges, made from vacuum grade AISI stainless steel. Useful as adapter flanges between KF16 and KF25 flanges on pumps, vacuum gauges and distribution pieces.
Products
Showing 1–15 of 27 results
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DN10/16KF adaptive seal from KF10 to KF16 with 304 stainless steel centering ring with Viton O-ring
$18.29 Add to cart View Product -
DN16KF adapter to 1/4 inch NPT female thread, 304 stainless steel
$52.57 Add to cart View Product -
DN16KF adapter to 1/8inch NPT female thread, aluminium
$36.57 Add to cart View Product -
DN16KF blank flange, 304 stainless steel
$9.60 Add to cart View Product -
DN16KF quick release hinged wing nut clamp, aluminium
$14.63 Add to cart View Product -
DN16KF replacement O-ring for KF16 centering ring, NBR
$8.57 Add to cart View Product -
DN16KF seal with 304 stainless steel centering ring with Viton O-ring
$12.34 Add to cart View Product -
DN16KF seal with aluminium centering ring with Viton O-ring
$7.68 Add to cart View Product -
DN25KF adapter to 1/4 inch NPT female thread, 304 stainless steel
$59.43 Add to cart View Product -
DN25KF blank flange, 304 stainless steel
$9.97 Add to cart View Product -
DN25KF quick release hinged wing nut clamp, aluminium
$14.63 Add to cart View Product -
DN25KF replacement O-ring for KF25 centering ring, NBR
$9.44 Add to cart View Product -
DN25KF seal with 304 stainless steel centering ring with Viton O-ring
$15.45 Add to cart View Product -
DN25KF seal with aluminium centering ring with Viton O-ring
$8.23 Add to cart View Product -
DN40KF adapter to 1/8inch NPT female thread, aluminium
$42.97 Add to cart View Product