Access Loadlock Doors

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An Add-A-Door can provide easy access to a vacuum system when elastomer seals are acceptable. The hinged, FKM sealed door is quickly bolted to an existing CF (Conflat style) flanged chamber port. The door is opened easily by turning a knurled knob. These doors are available for 2.75 to 10 inch (70 to 254mm) OD flanges with a solid metal door or with a viewport. The standard finish is electropolish. Custom sizes can be supplied upon request.
 

Access Loadlock Doors Features

  • Available with a solid metal door, a 7056 glass viewport, or a fused silica viewport
  • Constructed from 304 stainless steel
  • 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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