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Fast Access Doors - Blank

Add-A-Doors provide a simple, effective method of providing an elastomer sealed access port to an existing chamber fitting or component. These products include a blank hinged door and easily bolts to a like CF flange using standard hardware. The door itself is secured with a single knurled knob. Standard finish is electropolish.

Fast Access Doors - Blank Features

  • Constructed from 304 stainless steel
  • Flange: 2.75 to 10 inch (70 to 254mm) CF
  • Has a vacuum range of ≥10⁻⁸ mbar (High vacuum)
  • Withstands a temperature range of -20°C to 200°C
Nor-Cal Products offers a complete line of viewports for vacuum chambers with NW, ISO and CF flanges. CF flanged viewports are available with fully annealed 7056 glass or fused quartz. Special materials and coatings, such as sapphire and anti-reflective (AR) coating, are available on request. Glass provides a large distortion free viewing area at low cost. Quartz provides superior ultraviolet radiation transmission and resistance to thermal shock. Glass CF flanged viewports can withstand repeated bakeout cycles to 400°C and vacuum pressures to 10-11 Torr. Quartz CF flanged viewports should not be baked above 200°C. NW and ISO flanged viewports can withstand 200°C bakeouts and pressures to 10-9 Torr.

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