ISO F and ISO K 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 ISO F and ISO K 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 ISO F and ISO K 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.

ISO F SIZE
(DN)
FLANGE DIAM.  (in)
FLANGE DIAM. (mm)
Clear Aperture (in)
Clear Aperture (mm)
Maximum* Pressure (PSI/BAR)
Internal (IP), External (EP) or Vacuum (VAC)
Part Number
 
 
 
 
 
 
 
ISO F only
63
5.12
130.0
3.06
77.7
45/3
EP, VAC
101359
80
5.71
145.0
3.48
88.4
45/3
EP, VAC
101360
100
6.50
165.1
4.04
102.6
45/3
EP, VAC
101361
160
8.86
225.0
5.57
141.5
45/3
EP, VAC
101362
200
11.22
285.0
7.24
183.9
45/3
EP, VAC
101363
250
13.19
335.0
8.60
218.4
45/3
EP, VAC
101364
320
16.73
424.9
11.00
279.4
45/3
EP, VAC
101365
 
 
 
 
 
 
 
 
ISO K size
 
 
 
 
 
 
ISO K only
63
3.74
95.0
3.06
77.7
45/3
EP, VAC
101366
80
4.33
110.0
3.48
88.4
45/3
EP, VAC
101367
100
4.12
104.6
4.04
102.6
45/3
EP, VAC
101368
160
7.09
180.1
5.57
141.5
45/3
EP, VAC
101369
200
9.45
240.0
7.24
183.9
45/3
EP, VAC
101370
250
11.42
290.1
8.60
218.4
45/3
EP, VAC
101371
320
14.75
374.7
11.00
279.4
45/3
EP, VAC
101372


Contact Rayotek Sales for higher temperature ISO Sight Windows

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