CF Blanking Flange with Thread

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Description

The CF Blanking Flange with Thread is designed for CF vacuum systems that require a blanking flange with threaded holes for secure closure and assembly. The catalog lists a pressure range of 1 × 10⁻¹² mbar to ambient pressure, custom lengths available upon request, and a bake-out range up to 450 °C. It is available in Stainless Steel 304 / 1.4301, Stainless Steel 316L / 1.4404, and Stainless Steel 316LN ESR / 1.4429 ESU. The 316LN ESR / 1.4429 ESU version is presented as ideal for constantly dismantled chamber ports, with improved grain homogeneity through electro-slag remelt (ESR), lower magnetic permeability, low desorption, and bakeability under vacuum up to 1050 °C.

Field Data
Product Name CF Blanking Flange with Thread
System CF
Product Type Blanking Flange with Thread
Configuration Flange with threaded holes
Pressure Range 1 × 10⁻¹² mbar to ambient pressure
Custom Lengths Available upon request
Bake-Out Range Up to 450 °C
Material Versions Stainless Steel 304 / 1.4301, Stainless Steel 316L / 1.4404, Stainless Steel 316LN ESR / 1.4429 ESU
Available Sizes (DN) 16, 40, 63, 100, 160, 200, 250, 300, 350
Main Dimensions A, B, C
Temperature Range - Stainless Steel 304 / 1.4301 -196 to 300 °C
Temperature Range - Stainless Steel 316L / 1.4404 -196 to 350 °C
Temperature Range - Stainless Steel 316LN ESR / 1.4429 ESU -196 to 350 °C
316LN ESR Feature Ideal for constantly dismantled chamber ports
316LN ESR Feature Electro-slag remelt (ESR) to improve grain homogeneity and remove gross macro segregation
316LN ESR Feature Lower magnetic permeability for applications sensitive to magnetic materials (μ ≤ 1.005 vs. 1.03 for 304L SS)
316LN ESR Feature Low desorption
316LN ESR Feature Bakeable under vacuum up to 1050 °C
316LN ESR Pressure Range 1 × 10⁻¹³ mbar to ambient pressure
Stainless Steel 304 / 1.4301
Size (DN) A (mm) B (mm) C Order No
16 7.5 34 M4 VC4FLG1SS016
40 13 69.9 M6 VC4FLG1SS040
63 17.5 113.5 M8 VC4FLG1SS063
100 20 152 M8 VC4FLG1SS100
160 21.5 202.4 M8 VC4FLG1SS160
200 24.5 253.2 M8 VC4FLG1SS200
250 24.5 304.8 M8 VC4FLG1SS250
300 28.5 368.3 M10 VC4FLG1SS300
350 28.5 419.1 M10 VC4FLG1SS350
Stainless Steel 316L / 1.4404
Size (DN) A (mm) B (mm) C Order No
16 7.5 34 M4 VC4FLG2SS016
40 13 69.9 M6 VC4FLG2SS040
63 17.5 113.5 M8 VC4FLG2SS063
100 20 152 M8 VC4FLG2SS100
160 21.5 202.4 M8 VC4FLG2SS160
200 24.5 253.2 M8 VC4FLG2SS200
250 24.5 304.8 M8 VC4FLG2SS250
300 28.5 368.3 M10 VC4FLG2SS300
350 28.5 419.1 M10 VC4FLG2SS350
Stainless Steel 316LN ESR / 1.4429 ESU
Size (DN) A (mm) B (mm) C Order No
16 7.5 34 M4 VC4FLG3SS016
40 13 69.9 M6 VC4FLG3SS040
63 17.5 113.5 M8 VC4FLG3SS063
100 20 152 M8 VC4FLG3SS100
160 21.5 202.4 M8 VC4FLG3SS160
200 24.5 253.2 M8 VC4FLG3SS200
250 24.5 304.8 M8 VC4FLG3SS250
300 28.5 368.3 M10 VC4FLG3SS300
350 28.5 419.1 M10 VC4FLG3SS350

Stainless Steel 304 / 1.4301
Size (DN) A (mm) B (mm) C
16 7.5 34 M4
40 13 69.9 M6
63 17.5 113.5 M8
100 20 152 M8
160 21.5 202.4 M8
200 24.5 253.2 M8
250 24.5 304.8 M8
300 28.5 368.3 M10
350 28.5 419.1 M10
Stainless Steel 316L / 1.4404
Size (DN) A (mm) B (mm) C
16 7.5 34 M4
40 13 69.9 M6
63 17.5 113.5 M8
100 20 152 M8
160 21.5 202.4 M8
200 24.5 253.2 M8
250 24.5 304.8 M8
300 28.5 368.3 M10
350 28.5 419.1 M10
Stainless Steel 316LN ESR / 1.4429 ESU
Size (DN) A (mm) B (mm) C
16 7.5 34 M4
40 13 69.9 M6
63 17.5 113.5 M8
100 20 152 M8
160 21.5 202.4 M8
200 24.5 253.2 M8
250 24.5 304.8 M8
300 28.5 368.3 M10
350 28.5 419.1 M10

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