Inclusions max 0.25mm2 /100cm3 (class 2)

Specifications

• Vacuum Leak Rate UHV <5x10-10 mbar l/s
• Size or DN DN63CF (4 ½ " OD flange)
• Compliance ISO 3669:2017
• Vacuum Seal Annealed Cu Gasket
• Body Material Stainless Steel 304
• Temperature Range -100°C to 200°C
• Transmission >90%@ 250nm
• Inside Diameter 68mm
• Dimension A 6.4
• Parallelism <30 arc sec
• Surface Finish 40-20 Scratch-dig
• Optical Material UV Fused Silica grade F, 2D
• Optical Range 200-2000nm