DN40CF UHV blank fixed flange, SS 316L (1.4404)

316L is a high quality stainless steel with good welding characteristics and relatively low magnetic permeability. It also has a greater resistance to corrosive gases such as chlorine than 304 stainless steel. For this reason it is the preferred option for Semiconductor Production applications. This flange comes with 6 size M8 bolt holes.

Specifications

• Vacuum Leak Rate UHV <5x10-10 mbar l/s
• Size or DN DN40CF (2 ¾” OD flange)
• Compliance CF as ISO 3669-2
• Vacuum Seal Knife edge/ Cu or Viton gasket
• Body Material SS 316L 1.4404
• Magnetic Permeability >1.05 annealed
• Temperature Range -273°C - 450°C
• Outside Diameter 70( 2 ¾ “)
• Thickness 12.7