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UV Fused Silica Specifications

Leak Rate: <2x10(-10) atm cc/sec He
Parallelism: <30 Arc Minutes
Flange Material:  304/316 Stn. Stl.
Surface Finish:
40/20 
Thermal Range: 
-100°C to 200°C
Material: 
Corning HPFS 7980 Fused Silica
Transmission: 
>90% @ 250nm (external)
Homogeneity Grade: 
F
Inclusion Class:
2
Operating Conditions
The thermal ratings specified are safe operating limits determined by various factors including material properties, mechanical design, and the intended operating environment. Temperature ratings for various mounting options may reduce the operating range of a window assembly. All assemblies have a maximum thermal gradient of 25ºC per minute and may be damaged if this limit is exceeded.



UV Fused Silica Viewports

VIEWPORT, FUSED SILICA, UV, 0.6 VIEW, 133CF
VIEWPORT, FUSED SILICA, UV, 0.6 VIEW, 133CF
UV Grade Fused Silica Viewport, Zero Length Profile, 0.63" View Dia, 1.33" Conflat Flange
A1671-1-CF
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$189.00
49596
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VIEWPORT, FUSED SILICA, UV, 0.6 VIEW, QF25
VIEWPORT, FUSED SILICA, UV, 0.6 VIEW, QF25
UV Grade Fused Silica Viewport, 0.63" View Dia, 1.57" Quick Flange
A4563-1-QF
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$216.00
49598
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VIEWPORT, FUSED SILICA, UV, 1.4 VIEW, 275CF
VIEWPORT, FUSED SILICA, UV, 1.4 VIEW, 275CF
UV Grade Fused Silica Viewport, Zero Length Profile, 1.40" View Dia, 2.75" Conflat Flange
A0651-1-CF
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$210.00
49585
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VIEWPORT, FUSED SILICA, UV, 1.4 VIEW, 338CF
VIEWPORT, FUSED SILICA, UV, 1.4 VIEW, 338CF
UV Grade Fused Silica Viewport, Zero Length Profile, 1.40" View Dia, 3.37" Conflat Flange
A0651-2-CF
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$231.00
49586
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VIEWPORT, FUSED SILICA, UV, 1.4 VIEW, QF40
VIEWPORT, FUSED SILICA, UV, 1.4 VIEW, QF40
UV GradeFused Silica Viewport, 1.40" View Dia, 2.16" Quick Flange
A2206-1-QF
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$216.00
49597
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VIEWPORT, FUSED SILICA, UV, 1.4 VIEW, QF50
VIEWPORT, FUSED SILICA, UV, 1.4 VIEW, QF50
UV GradeFused Silica Viewport, 1.40" View Dia, 2.95" Quick Flange
A0816-1-QF
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$263.00
49595
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VIEWPORT, FUSED SILICA, UV, 1.4 VIEW, WELD
VIEWPORT, FUSED SILICA, UV, 1.4 VIEW, WELD
UV Grade Fused Silica Viewport, 1.37" View Dia, 1.50" Dia Stainless Steel Weld Adapter
A0657-11-W
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$252.00
49593
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VIEWPORT, FUSED SILICA, UV, 2.4 VIEW, WELD
VIEWPORT, FUSED SILICA, UV, 2.4 VIEW, WELD
UV Grade Fused Silica Viewport, 2.37" View Dia, 2.50" Dia Stainless Steel Weld Adapter
A0657-12-W
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$657.00
49594
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VIEWPORT, FUSED SILICA, UV, 2.7 VIEW, 450CF
VIEWPORT, FUSED SILICA, UV, 2.7 VIEW, 450CF
UV Grade Fused Silica Viewport, Zero Length Profile, 2.69" View Dia, 4.50" Conflat Flange
A0651-3-CF
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$683.00
49587
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VIEWPORT, FUSED SILICA, UV, 2.7 VIEW, 462CF
VIEWPORT, FUSED SILICA, UV, 2.7 VIEW, 462CF
UV Grade Fused Silica Viewport, Zero Length Profile, 2.69" View Dia, 4.62" Conflat Flange
A0651-4-CF
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$699.00
49588
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