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Standard KF/ISO

Standard viewports with KF/ISO flange connections are optimal for observing and illuminating processes in rough, fine and high vacuum with their large free view diameter.

Replacement O-ring for standard KF-viewports, DN50 | 380669
Connection type
KF
Nominal diameter
50
Gasket material
FKM
Max. operating temperature
302 °F
Inner diameter
2.087 ″
Width
0.197 ″
Connection type
KF
Nominal diameter
50
Gasket material
FKM
Max. operating temperature
150 °C
Inner diameter
53 mm
Width
5 mm
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available
Borosilicate KF Viewport for wall installation, Standard | 318382
Connection type
KF
Nominal diameter
50
Leak rate
< 0.75E-9 Torr ∙ l/s
Max. operating temperature
302 °F
View diameter
1.969 ″
Window material
Borosilicate
Transmission range
400-2500 nm
Window mounting
FKM O-Ring
Connection type
KF
Nominal diameter
50
Leak rate
< 1E-9 mbar ∙ l/s
Max. operating temperature
150 °C
View diameter
50 mm
Window material
Borosilicate
Transmission range
400-2500 nm
Window mounting
FKM O-Ring
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available
Borosilicate KF Viewport for flange installation, Standard | 302261
Connection type
KF
Nominal diameter
50
Leak rate
< 0.75E-9 Torr ∙ l/s
Max. operating temperature
302 °F
View diameter
1.969 ″
Window material
Borosilicate
Transmission range
400-2500 nm
Window mounting
FKM O-Ring
Connection type
KF
Nominal diameter
50
Leak rate
< 1E-9 mbar ∙ l/s
Max. operating temperature
150 °C
View diameter
50 mm
Window material
Borosilicate
Transmission range
400-2500 nm
Window mounting
FKM O-Ring
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available
Borosilicate KF/ISO Viewport, Standard | 302259
Connection type
KF
Nominal diameter
50
Leak rate
< 0.75E-9 Torr ∙ l/s
Max. operating temperature
302 °F
View diameter
1.26 ″
Window material
Borosilicate
Transmission range
400-2500 nm
Window mounting
Thermally fused
Connection type
KF
Nominal diameter
50
Leak rate
< 1E-9 mbar ∙ l/s
Max. operating temperature
150 °C
View diameter
32 mm
Window material
Borosilicate
Transmission range
400-2500 nm
Window mounting
Thermally fused
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available
Replacement window for standard KF-viewport, DN50 | 379048
Connection type
KF
Nominal diameter
50
Window material
Borosilicate
Transmission range
400-2500 nm
Outer Diamter
2.126 ″
Window thickness
0.157 ″
Connection type
KF
Nominal diameter
50
Window material
Borosilicate
Transmission range
400-2500 nm
Outer Diamter
54 mm
Window thickness
4 mm
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on request
Fused Silica KF Viewport for wall installation, Standard | 321870
Connection type
KF
Nominal diameter
50
Leak rate
< 0.75E-9 Torr ∙ l/s
Max. operating temperature
302 °F
View diameter
1.969 ″
Window material
Fused silica
Transmission range
300-2000 nm
Window mounting
FKM O-Ring
Connection type
KF
Nominal diameter
50
Leak rate
< 1E-9 mbar ∙ l/s
Max. operating temperature
150 °C
View diameter
50 mm
Window material
Fused silica
Transmission range
300-2000 nm
Window mounting
FKM O-Ring
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available
Fused Silica KF Viewport for flange installation, Standard | 349734
Connection type
KF
Nominal diameter
50
Leak rate
< 0.75E-9 Torr ∙ l/s
Max. operating temperature
302 °F
View diameter
1.969 ″
Window material
Fused silica
Transmission range
300-2000 nm
Window mounting
FKM O-Ring
Connection type
KF
Nominal diameter
50
Leak rate
< 1E-9 mbar ∙ l/s
Max. operating temperature
150 °C
View diameter
50 mm
Window material
Fused silica
Transmission range
300-2000 nm
Window mounting
FKM O-Ring
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available
You have not found a suitable product for your application?

We will be happy to advise you on further viewports that are currently not available in our shop.