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Viewports

Viewports are suitable for various vacuum-optical applications: from process monitoring and illumination to precise and efficient transport of optical signals.

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VPKF16B-L

Borosilicate KF/ISO Viewport, Standard | 302251

Connection type

Nominal diameter

Leak rate

< 0.75E-9 Torr ∙ l/s

Max. operating temperature

302 °F

View diameter

0.63 ″

Window material

Borosilicate

Transmission range

400-2500 nm

Window mounting

Thermally fused

Connection type

Nominal diameter

Leak rate

< 1E-9 mbar ∙ l/s

Max. operating temperature

150 °C

View diameter

16 mm

Window material

Borosilicate

Transmission range

400-2500 nm

Window mounting

Thermally fused

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in production

VPKF25B-L

Borosilicate KF/ISO Viewport, Standard | 302252

Connection type

Nominal diameter

Leak rate

< 0.75E-9 Torr ∙ l/s

Max. operating temperature

302 °F

View diameter

0.63 ″

Window material

Borosilicate

Transmission range

400-2500 nm

Window mounting

Thermally fused

Connection type

Nominal diameter

Leak rate

< 1E-9 mbar ∙ l/s

Max. operating temperature

150 °C

View diameter

16 mm

Window material

Borosilicate

Transmission range

400-2500 nm

Window mounting

Thermally fused

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in production

VPKF40B-E

Borosilicate KF Viewport for wall installation, Standard | 321088

Connection type

Nominal diameter

Leak rate

< 0.75E-9 Torr ∙ l/s

Max. operating temperature

302 °F

View diameter

1.575 ″

Window material

Borosilicate

Transmission range

400-2500 nm

Window mounting

FKM O-Ring

Connection type

Nominal diameter

Leak rate

< 1E-9 mbar ∙ l/s

Max. operating temperature

150 °C

View diameter

40 mm

Window material

Borosilicate

Transmission range

400-2500 nm

Window mounting

FKM O-Ring

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available

VPKF40B-E-Z

Borosilicate KF Viewport for flange installation, Standard | 349725

Connection type

Nominal diameter

Leak rate

< 0.75E-9 Torr ∙ l/s

Max. operating temperature

302 °F

View diameter

1.575 ″

Window material

Borosilicate

Transmission range

400-2500 nm

Window mounting

FKM O-Ring

Connection type

Nominal diameter

Leak rate

< 1E-9 mbar ∙ l/s

Max. operating temperature

150 °C

View diameter

40 mm

Window material

Borosilicate

Transmission range

400-2500 nm

Window mounting

FKM O-Ring

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available

VPKF40B-L

Borosilicate KF/ISO Viewport, Standard | 302253

Connection type

Nominal diameter

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

Nominal diameter

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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in production

VPKF40B-L-ITO-VD32

Borosilicate KF/ISO Viewport, ITO-coated | 409496

Connection type

Nominal diameter

Leak rate

< 0.75E-9 Torr ∙ l/s

Max. operating temperature

302 °F

Window material

Borosilicate

Transmission range

400-2500 nm

View diameter

1.26 ″

Coating type

ITO

Connection type

Nominal diameter

Leak rate

< 1E-9 mbar ∙ l/s

Max. operating temperature

150 °C

Window material

Borosilicate

Transmission range

400-2500 nm

View diameter

32 mm

Coating type

ITO

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available

VPKF40B-WINDOW

Replacement window for standard KF-viewport, DN40 | 380660

Connection type

Nominal diameter

Window material

Borosilicate

Transmission range

400-2500 nm

Outer Diamter

1.732 ″

Window thickness

0.157 ″

Connection type

Nominal diameter

Window material

Borosilicate

Transmission range

400-2500 nm

Outer Diamter

44 mm

Window thickness

4 mm

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available

VPKF40Q-E

Fused Silica KF Viewport for wall installation, Standard | 321867

Connection type

Nominal diameter

Leak rate

< 0.75E-9 Torr ∙ l/s

Max. operating temperature

302 °F

View diameter

1.575 ″

Window material

Fused silica

Transmission range

300-2000 nm

Window mounting

FKM O-Ring

Connection type

Nominal diameter

Leak rate

< 1E-9 mbar ∙ l/s

Max. operating temperature

150 °C

View diameter

40 mm

Window material

Fused silica

Transmission range

300-2000 nm

Window mounting

FKM O-Ring

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available

VPKF40Q-E-Z

Fused Silica KF Viewport for flange installation, Standard | 349733

Connection type

Nominal diameter

Leak rate

< 0.75E-9 Torr ∙ l/s

Max. operating temperature

302 °F

View diameter

1.575 ″

Window material

Fused silica

Transmission range

300-2000 nm

Window mounting

FKM O-Ring

Connection type

Nominal diameter

Leak rate

< 1E-9 mbar ∙ l/s

Max. operating temperature

150 °C

View diameter

40 mm

Window material

Fused silica

Transmission range

300-2000 nm

Window mounting

FKM O-Ring

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available

VPKF50B-E

Borosilicate KF Viewport for wall installation, Standard | 318382

Connection type

Nominal diameter

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

Nominal diameter

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

VPKF50B-E-Z

Borosilicate KF Viewport for flange installation, Standard | 302261

Connection type

Nominal diameter

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

Nominal diameter

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

VPKF50B-L

Borosilicate KF/ISO Viewport, Standard | 302259

Connection type

Nominal diameter

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

Nominal diameter

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

VPKF50B-WINDOW

Replacement window for standard KF-viewport, DN50 | 379048

Connection type

Nominal diameter

Window material

Borosilicate

Transmission range

400-2500 nm

Outer Diamter

2.126 ″

Window thickness

0.157 ″

Connection type

Nominal diameter

Window material

Borosilicate

Transmission range

400-2500 nm

Outer Diamter

54 mm

Window thickness

4 mm

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on request

VPKF50Q-E

Fused Silica KF Viewport for wall installation, Standard | 321870

Connection type

Nominal diameter

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

Nominal diameter

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

VPKF50Q-E-Z

Fused Silica KF Viewport for flange installation, Standard | 349734

Connection type

Nominal diameter

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

Nominal diameter

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

Viewports

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