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.
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