All Rayotek ASME 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.
A105 Steel ASME housing with fused borosilicate glass window:
Rayotek A105 Steel/fused borosilicate glass ASME / ANSI sight windows are rugged general use steel sight windows for a variety of applications where corrosion is not a concern. For piping and chambers for furnace, incinerator and heater windows. Rayotek ASME / ANSI fused glass sight windows are so robust that even when cracked from mechanical damage they continue to seal and protect against release of pressure.
ASME SIZE (in) |
FLANGE DIAM. (in) |
FLANGE DIAM. (mm) |
Clear Aperture (in) |
Clear Aperture (mm) |
Pressure Rating |
Internal (IP), External (EP) or Vacuum (VAC) |
2 |
6.00 |
152.4 |
2.44 |
62.0 |
ASME 150 |
EP, IP, VAC |
3 |
7.50 |
190.5 |
3.57 |
90.7 |
ASME 150 |
EP, IP, VAC |
4 |
9.00 |
228.6 |
4.57 |
116.1 |
ASME 150 |
EP, IP, VAC |
5 |
10.00 |
254.0 |
5.66 |
143.8 |
ASME 150 |
EP, IP, VAC |
6 |
11.00 |
279.4 |
6.72 |
170.7 |
ASME 150 |
EP, IP, VAC |
8 |
13.50 |
342.9 |
8.72 |
221.5 |
ASME 150 |
EP, IP, VAC |
10 |
16.00 |
406.4 |
10.88 |
276.4 |
ASME 150 |
EP, IP, VAC |
12 |
19.00 |
482.6 |
12.88 |
327.2 |
ASME 150 |
EP, IP, VAC |
2 |
6.50 |
165.1 |
2.44 |
62.0 |
ASME 300 |
EP, IP, VAC |
3 |
8.25 |
209.6 |
3.57 |
90.7 |
ASME 300 |
EP, IP, VAC |
4 |
10.00 |
254.0 |
4.57 |
116.1 |
ASME 300 |
EP, IP, VAC |
5 |
11.00 |
279.4 |
5.66 |
143.8 |
ASME 300 |
EP, IP, VAC |
6 |
12.50 |
317.5 |
6.72 |
170.7 |
ASME 300 |
EP, IP, VAC |
8 |
15.00 |
381.0 |
8.72 |
221.5 |
ASME 300 |
EP, IP, VAC |
10 |
17.50 |
444.5 |
10.88 |
276.4 |
ASME 300 |
EP, IP, VAC |
12 |
20.50 |
520.7 |
12.88 |
327.2 |
ASME 300 |
EP, IP, VAC |
2 |
6.50 |
165.1 |
2.44 |
62.0 |
ASME 400 |
EP, IP, VAC |
3 |
8.25 |
209.6 |
3.57 |
90.7 |
ASME 400 |
EP, IP, VAC |
4 |
10.00 |
254.0 |
4.57 |
116.1 |
ASME 400 |
EP, IP, VAC |
5 |
11.00 |
279.4 |
5.66 |
143.8 |
ASME 400 |
EP, IP, VAC |
6 |
12.50 |
317.5 |
6.72 |
170.7 |
ASME 400 |
EP, IP, VAC |
8 |
15.00 |
381.0 |
8.72 |
221.5 |
ASME 400 |
EP, IP, VAC |
10 |
17.50 |
444.5 |
10.88 |
276.4 |
ASME 400 |
EP, IP, VAC |
12 |
20.50 |
520.7 |
12.88 |
327.2 |
ASME 400 |
EP, IP, VAC |
2 |
6.50 |
165.1 |
2.44 |
62.0 |
ASME 600 |
EP, IP, VAC |
3 |
8.25 |
209.6 |
3.57 |
90.7 |
ASME 600 |
EP, IP, VAC |
4 |
10.75 |
273.1 |
4.57 |
116.1 |
ASME 600 |
EP, IP, VAC |
5 |
13.00 |
330.2 |
5.66 |
143.8 |
ASME 600 |
EP, IP, VAC |
6 |
14.00 |
355.6 |
6.72 |
170.7 |
ASME 600 |
EP, IP, VAC |
8 |
16.50 |
419.1 |
8.72 |
221.5 |
ASME 600 |
EP, IP, VAC |
10 |
20.00 |
508.0 |
10.88 |
276.4 |
ASME 600 |
EP, IP, VAC |
12 |
22.00 |
558.8 |
12.88 |
327.2 |
ASME 600 |
EP, IP, VAC |
2 |
6.50 |
165.1 |
2.44 |
62.0 |
ASME 900 |
EP, IP, VAC |
3 |
9.50 |
241.3 |
3.57 |
90.7 |
ASME 900 |
EP, IP, VAC |
4 |
11.50 |
292.1 |
4.57 |
116.1 |
ASME 900 |
EP, IP, VAC |
5 |
13.75 |
349.3 |
5.66 |
143.8 |
ASME 900 |
EP, IP, VAC |
6 |
15.00 |
381.0 |
6.72 |
170.7 |
ASME 900 |
EP, IP, VAC |
8 |
18.50 |
469.9 |
8.72 |
221.5 |
ASME 900 |
EP, IP, VAC |
10 |
21.50 |
546.1 |
10.88 |
276.4 |
ASME 900 |
EP, IP, VAC |
12 |
24.00 |
609.6 |
12.88 |
327.2 |
ASME 900 |
EP, IP, VAC |
2 |
8.50 |
215.9 |
2.44 |
62.0 |
ASME 1500 |
EP, IP, VAC |
3 |
10.50 |
266.7 |
3.57 |
90.7 |
ASME 1500 |
EP, IP, VAC |
4 |
12.25 |
311.2 |
4.57 |
116.1 |
ASME 1500 |
EP, IP, VAC |
5 |
14.75 |
374.7 |
5.66 |
143.8 |
ASME 1500 |
EP, IP, VAC |
6 |
15.50 |
393.7 |
6.72 |
170.7 |
ASME 1500 |
EP, IP, VAC |
8 |
19.00 |
482.6 |
8.72 |
221.5 |
ASME 1500 |
EP, IP, VAC |
10 |
23.00 |
584.2 |
10.88 |
276.4 |
ASME 1500 |
EP, IP, VAC |
12 |
26.50 |
673.1 |
12.88 |
327.2 |
ASME 1500 |
EP, IP, VAC |
2 |
9.25 |
235.0 |
2.44 |
62.0 |
ASME 2500 |
EP, IP, VAC |
3 |
12.00 |
304.8 |
3.57 |
90.7 |
ASME 2500 |
EP, IP, VAC |
4 |
14.00 |
355.6 |
4.57 |
116.1 |
ASME 2500 |
EP, IP, VAC |
5 |
16.50 |
419.1 |
5.66 |
143.8 |
ASME 2500 |
EP, IP, VAC |
6 |
19.00 |
482.6 |
6.72 |
170.7 |
ASME 2500 |
EP, IP, VAC |
8 |
21.75 |
552.5 |
8.72 |
221.5 |
ASME 2500 |
EP, IP, VAC |
10 |
26.50 |
673.1 |
10.88 |
276.4 |
ASME 2500 |
EP, IP, VAC |
12 |
30.00 |
762 |
12.88 |
327.2 |
ASME 2500 |
EP, IP, VAC |
OTHER ASME RATINGS AVAILABLE AS CUSTOM SIGHT WINDOWS
Contact Rayotek Sales for higher pressure and temperature ASME/ANSI Sight Windows