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Vacuum Leak Rate UHV <5x10-10 mbar l/s
Size or DN DN160CF (8” OD flange)
Compliance ISO 3669:2017
Vacuum Seal Annealed Cu Gasket
Body Material Stainless Steel 304
Temperature Range -100°C to 200°C
Transmission 99.8%@ 248nm
Inside Diameter 137mm
Dimension A 9.4
Flatness λ/4 @632nm
Parallelism <10 arc sec
Surface Finish 20-10 Scratch-dig
Optical Material DUV Fused Silica grade A, 3D
Optical Range 200-2000nm
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