KF (QF, NW) Sight Window: Glass bonded into 316 Stainless Housing
 
  • Housing Material: 316 Stainless
  • Window Material: borosilicate (Pyrex) glass
  • Temperature operating range: 0 Kelvin to 300C
  • Pressure safety factor: Minimum 1.25x
  • Thermal shock resistance: Excellent
  • Impact resistance: Excellent
  • Leak Rate: Equivalent to the permeation rate through glass (~zero)
  • Chemical resistance: Excellent for solvents, must be tested for specific acids and corrosives

All Rayotek KF (QF, NW) sight window metal housings are CNC machined, not cast, to exacting standards. Metal and window materials for all of our sight windows are traceable and certified back to their raw material sources to insure the highest, repeatable quality and reliability.

For configuration and applications outside of the scope of this sight window page please see our Custom Sight Window page or contact Rayotek Sight Windows directly to speak with a representative or engineer.


316 Stainless KF (QF, NW)
housing with fused glass window:

Rayotek 316 Stainless Steel/fused glass KF quick flange sight windows are rugged, corrosion resistant sight windows for a variety of applications from high vacuum systems to  pressure chambers to ultra high purity processing equipment. Rayotek KF quick flange fused glass sight windows are so robust that even when cracked from mechanical damage they continue to seal and protect against release of pressure and exposure to contamination.

Online purchasing coming soon! Please contact us directly for a quote.

KF SIZE
(DN)
DIAM. (in)
DIAM. (mm)
Clear Aperture (in)
Clear Aperture (mm)
Maximum* Pressure (PSI/BAR)
Internal (IP), External (EP) or Vacuum (VAC)
Part Number
16
1.18
30.0
0.30
7.6
30/2
EP, VAC
101319
25
1.57
39.9
0.50
12.7
30/2
EP, VAC
101320
40
2.16
54.9
0.75
19.1
30/2
EP, VAC
101321
50
2.95
74.9
1.00
25.4
30/2
EP, VAC
101322


* NOTE: for vacuum and atmospheric pressure use only.
Customer is responsible for safe design and use of sight windows.

Contact Rayotek Sales for higher temperature KF Sight Windows

Back to KF Configuration Page.