4VISA Catalogue 2021

Kodial Zero Length Viewports
Specification
Glass to Metal Seal Type
Induction
Maximum Temperature
350°C (KF versions 150°C)
Minimum Temperature minus 20°C
Maximum Rate of Temperature
Change
Leak Rate
Pressure range
3°C per minute
<1x10 -10 atm-cc/sec (He)
1 bar to 1x10 -11 mbar
Part Number Flange Type Flange OD
(mm)
View Diameter
(mm)
Optic Thickness
(mm)
Flange Thickness
(mm)
Flange
Material
Weld Ring
Material
VPZ16 NW16CF 34 15 1 12.7 304L Kovar
VPZ16-LN NW16CF 34 15 1 12.7 316LN Kovar
KVPZ16 KF16 25 15 1 12.7 316L Kovar
KVPZ25 KF25 40 20 1.5 18.5 316L Kovar
VPZ38 NW35CF 70 32 3 12.7 304L Kovar
VPZ38LA NW35CF 70 38 3 12.7 304L Kovar
VPZ38-LN NW35CF 70 32 3 12.7 316LN Kovar
VPZ38LA-LN NW35CF 70 38 3 12.7 316LN Kovar
KVPZ40LA KF40 55 38 3 18.5 316L Kovar
KVPZ50 KF50 75 38 3 15 316L Kovar
VPZ50 NW50CF 86 38 3 16 304L Kovar
ISO63VPZ ISO63 95 38 3 12 316L Kovar
VPZ64 NW63CF 114 63 3 17.4 304L Kovar
VPZ64LA NW63CF 114 65 3.5 17.4 304L Kovar
VPZ64-LN NW63CF 114 63 3 17.4 316LN Kovar
VPZ100 NW100CF 152 89 4 19.9 304L Kovar
VPZ100-LN NW100CF 152 89 4 19.9 316LN Kovar
ISO100VPZ ISO100 130 63 3 12 316L Kovar
VPZ150 NW150CF 203 136 6.5 22.3 304L Kovar
VPZ150-LN NW150CF 203 136 6.5 22.3 316LN Kovar
ISO160VPZ ISO160 180 89 4 12 316L Kovar
VPZ200 NW200CF 254 136 8 24.5 304L Kovar
21