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ISO-KF Conical Reducer
ISO-KF Conical Reducer - Image 2

ISO-KF Conical Reducer

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Description

The ISO-KF Conical Reducer is designed for ISO-KF vacuum systems that require a conical transition between different flange sizes while maintaining reliable vacuum performance. Based on the product sheet image, the catalog lists a pressure range of 1 × 10⁻⁸ mbar to 500 mbar over pressure for elastomer seal and 1 × 10⁻⁹ mbar to 500 mbar over pressure for metal seal. It is available in Stainless Steel 304 / 1.4301 and Stainless Steel 316L / 1.4404, with reducer combinations from DN25 to DN16 up to DN50 to DN40.

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Technical Details

Field Data
Product Name ISO-KF Conical Reducer
System ISO-KF
Product Type Conical Reducer
Function Conical reducer for connecting different ISO-KF flange sizes
Pressure Range - Elastomer Seal 1 × 10⁻⁸ mbar to 500 mbar over pressure
Pressure Range - Metal Seal 1 × 10⁻⁹ mbar to 500 mbar over pressure
Material Versions Stainless Steel 304 / 1.4301, Stainless Steel 316L / 1.4404
Available Flange Sizes (DN) 25, 40, 50
Available Reducer Flange Sizes (DN) 16, 25, 40
Main Dimensions A, B, C, D, L
Design Note 15° conical geometry shown on the drawing
Temperature Range - Stainless Steel 304 / 1.4301 -196 to 300 °C
Temperature Range - Stainless Steel 316L / 1.4404 -196 to 350 °C
Stainless Steel 304 / 1.4301
Flange Size (DN) Reducer Flange Size (DN) A (mm) B (mm) C (mm) D (mm) L (mm) Order No
25 16 40 24 16 30 28 VC1FTB1SS025-016-28
25 16 40 24 16 30 40 VC1FTB1SS025-016-40
40 16 55 24 16 30 28 VC1FTB1SS040-016-28
40 16 55 24 16 30 40 VC1FTB1SS040-016-40
40 25 55 40 24 40 28 VC1FTB1SS040-025-28
40 25 55 40 24 40 40 VC1FTB1SS040-025-40
50 16 75 50 16 30 40 VC1FTB1SS050-016-40
50 25 75 50 24 40 28 VC1FTB1SS050-025-28
50 25 75 50 24 28 40 VC1FTB1SS050-025-40
50 40 75 50 40 55 28 VC1FTB1SS050-040-28
50 40 75 50 40 55 40 VC1FTB1SS050-040-40
Stainless Steel 316L / 1.4404
Flange Size (DN) Reducer Flange Size (DN) A (mm) B (mm) C (mm) D (mm) L (mm) Order No
25 16 40 24 16 30 28 VC1FTB2SS025-016-28
25 16 40 24 16 30 40 VC1FTB2SS025-016-40
40 16 55 24 16 30 28 VC1FTB2SS040-016-28
40 16 55 24 16 30 40 VC1FTB2SS040-016-40
40 25 55 40 24 40 28 VC1FTB2SS040-025-28
40 25 55 40 24 40 40 VC1FTB2SS040-025-40
50 16 75 50 16 30 40 VC1FTB2SS050-016-40
50 25 75 50 24 40 28 VC1FTB2SS050-025-28
50 25 75 50 24 28 40 VC1FTB2SS050-025-40
50 40 75 50 40 55 28 VC1FTB2SS050-040-28
50 40 75 50 40 55 40 VC1FTB2SS050-040-40

Stainless Steel 304 / 1.4301
Flange Size (DN) Reducer Flange Size (DN) A (mm) B (mm) C (mm) D (mm) L (mm)
25 16 40 24 16 30 28
25 16 40 24 16 30 40
40 16 55 24 16 30 28
40 16 55 24 16 30 40
40 25 55 40 24 40 28
40 25 55 40 24 40 40
50 16 75 50 16 30 40
50 25 75 50 24 40 28
50 25 75 50 24 28 40
50 40 75 50 40 55 28
50 40 75 50 40 55 40
Stainless Steel 316L / 1.4404
Flange Size (DN) Reducer Flange Size (DN) A (mm) B (mm) C (mm) D (mm) L (mm)
25 16 40 24 16 30 28
25 16 40 24 16 30 40
40 16 55 24 16 30 28
40 16 55 24 16 30 40
40 25 55 40 24 40 28
40 25 55 40 24 40 40
50 16 75 50 16 30 40
50 25 75 50 24 40 28
50 25 75 50 24 28 40
50 40 75 50 40 55 28
50 40 75 50 40 55 40

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