KF (QF, NW) Sight Window: Borosilicate (Pyrex) bonded into 316 Stainless Housing
 
  • Housing Material: 316 Stainless
  • Window Material: borosilicate Glass
  • Temperature operating range: 0 Kelvin to 200C
  • Pressure safety factor: Minimum 1.25x
  • Thermal shock resistance: Good
  • Impact resistance: Good
  • 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 Steel KF (QF, NW) Housing With Borosilicate (Pyrex™) Bonded Window:

Using proprietary adhesive bonding systems, Rayotek seals a borosilicate window into Stainless steel housing for a durable and optically clear
sight window system that is also chemical and heat resistant up to 200C in most environments.  Our applicable sealing systems are NASA low outgassing approved for high vacuum systems and aerospace applications.

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
101327
25
1.57
39.9
0.50
12.7
30/2
EP, VAC
101328
40
2.16
54.9
0.75
19.1
30/2
EP, VAC
101329
50
2.95
74.9
1.00
25.4
30/2
EP, VAC
101330


* 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.