ISO-F Weld Ring Flange

Description

The ISO-F Weld Ring Flange is designed for ISO-F vacuum systems where a weld ring flange is required for reliable integration into vacuum assemblies. Based on the product sheet image, the catalog lists a pressure range of 1 × 10⁻⁸ mbar to 1.5 bar for elastomer seal and 1 × 10⁻⁹ mbar to 1.5 bar for metal seal. It is available in Stainless Steel 304 / 1.4301 and Stainless Steel 316L / 1.4404, with standard sizes from DN63 to DN250.

Field Data
Product Name ISO-F Weld Ring Flange
System ISO-F
Product Type Weld Ring Flange
Function Weld ring flange for ISO-F vacuum connections
Pressure Range - Elastomer Seal 1 × 10⁻⁸ mbar to 1.5 bar
Pressure Range - Metal Seal 1 × 10⁻⁹ mbar to 1.5 bar
Material Versions Stainless Steel 304 / 1.4301, Stainless Steel 316L / 1.4404
Available Sizes (DN) 63, 100, 160, 200, 250
Main Dimensions Tube Dimension, 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
Stainless Steel 304 / 1.4301
Size (DN) Tube Dimension (mm) A (mm) B (mm) C (mm) Order No
63 76.1x3 76.4 70 12 VC3FLB1SS063-76
100 108x3 108.3 102 12 VC3FLB1SS100-108
160 159x3 159.3 153 16 VC3FLB1SS160-159
200 219x3 219.4 213 16 VC3FLB1SS200-219
250 273x3 273.4 261 16 VC3FLB1SS250-273
Stainless Steel 316L / 1.4404
Size (DN) Tube Dimension (mm) A (mm) B (mm) C (mm) Order No
63 76.1x3 76.4 70 12 VC3FLB2SS063-76
100 108x3 108.3 102 12 VC3FLB2SS100-108
160 159x3 159.3 153 16 VC3FLB2SS160-159
200 219x3 219.4 213 16 VC3FLB2SS200-219
250 273x3 273.4 261 16 VC3FLB2SS250-273

Stainless Steel 304 / 1.4301

Size (DN) Tube Dimension (mm) A (mm) B (mm) C (mm)
63 76.1x3 76.4 70 12
100 108x3 108.3 102 12
160 159x3 159.3 153 16
200 219x3 219.4 213 16
250 273x3 273.4 261 16
Stainless Steel 316L / 1.4404
Size (DN) Tube Dimension (mm) A (mm) B (mm) C (mm)
63 76.1x3 76.4 70 12
100 108x3 108.3 102 12
160 159x3 159.3 153 16
200 219x3 219.4 213 16
250 273x3 273.4 261 16

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