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304 Stainless Steel-Nonmagnetic Viewports

Larson Electronic Glass Non-Magnetic glass viewports are supplied with fully annealed, commercial grade, optical quality glass windows in ten standard sizes from ¾” through 6”. Good optical and physical properties make them the preferred choice where sensitivity to magnetic permeation is a concern. These windows are not available in Zero Length. They are offered without flanges, with CF type flanges for use below 1x10-11 Torr, and in ISO type o-ring seal flanges for use in intermediate vacuum ranges. Window surfaces offer a minimum of distortion and provide maximum light transmis­sion suitable for most applications. Custom viewports are also available.

Features:

  • 304 stainless steel to 7056 glass, Housekeeper Seal
  • >90% Transmission from 360nm to 2300nm
  • CF and Weld mount bakeable to 400°C, 10°C/Min gradient
  • Kwik-Flange® and Large-Flange® bakeable to 200°C, 10°C/Min gradient

Larson Electronic Glass offers "304 Stainless Steel-Non Magnetic Viewports" available in 10 standard sizes from 3/4 inch through 6 inch with a variety of flange options. Dimensions are in inches unless otherwise noted.

 
 *Please select the quantity for each item you wish to order and click the 'Add To Quote' button below.
 
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Flange:   View diameter (V):   Metal end:   Reset
Image
Name
Model
Flange
View diameter (V)
Metal end
Height (H)
Glass thickness (T)
Price


Add Qty.
3/4" Stainless Steel-Nonmagnetic Glass Viewport  3/4" Stainless Steel-Nonmagnetic Glass Viewport  VPN-075-T  -
.50"
3/4" O.D. Tube
1-1/8"
.070"
120


3/4" Stainless Steel-Nonmagnetic Glass Viewport  3/4" Stainless Steel-Nonmagnetic Glass Viewport  VPN-075-F1  1.33" CF
.50"
-
1-1/4"
.070"
190


3/4" Stainless Steel-Nonmagnetic Glass Viewport  3/4" Stainless Steel-Nonmagnetic Glass Viewport  VPN-075-K1  NW16
.50"
-
1-1/4"
.070"
200


3/4" Stainless Steel-Nonmagnetic Glass Viewport  3/4" Stainless Steel-Nonmagnetic Glass Viewport  VPN-075-K2  NW25
.50"
-
1-1/4"
.070"
200


3/4" Stainless Steel-Nonmagnetic Glass Viewport  3/4" Stainless Steel-Nonmagnetic Glass Viewport  VPN-075-K4  NW40
.50"
-
1-1/4"
.070"
210


1" Stainless Steel-Nonmagnetic Glass Viewport  1" Stainless Steel-Nonmagnetic Glass Viewport  VPN-100-T  -
.75"
1" O.D. Tube
1-1/4"
.105"
145


1" Stainless Steel-Nonmagnetic Glass Viewport  1" Stainless Steel-Nonmagnetic Glass Viewport  VPN-100-F2  2.75" CF
.75"
-
1-3/8"
.105"
200


1" Stainless Steel-Nonmagnetic Glass Viewport  1" Stainless Steel-Nonmagnetic Glass Viewport  VPN-100-K2  NW25
.75"
-
1-3/8"
.105"
190


1" Stainless Steel-Nonmagnetic Glass Viewport  1" Stainless Steel-Nonmagnetic Glass Viewport  VPN-100-K4  NW40
.75"
-
1-3/8"
.105"
200


1" Stainless Steel-Nonmagnetic Glass Viewport  1" Stainless Steel-Nonmagnetic Glass Viewport  VPN-100-K5  NW50
.75"
-
1-3/8"
.105"
210


1-1/2" Stainless Steel-Nonmagnetic Glass Viewport  1-1/2" Stainless Steel-Nonmagnetic Glass Viewport  VPN-150-T  -
1.25"
1-1/2" O.D. Tube
1-7/8"
.125"
175


1-1/2" Stainless Steel-Nonmagnetic Glass Viewport  1-1/2" Stainless Steel-Nonmagnetic Glass Viewport  VPN-150-F2  2.75" CF
1.25"
-
2"
.125"
230


1-1/2" Stainless Steel-Nonmagnetic Glass Viewport  1-1/2" Stainless Steel-Nonmagnetic Glass Viewport  VPN-150-F3  3.37" CF
1.25"
-
2"
.125"
240


1-1/2" Stainless Steel-Nonmagnetic Glass Viewport  1-1/2" Stainless Steel-Nonmagnetic Glass Viewport  VPN-150-K4  NW40
1.25"
-
2"
.125"
230


1-1/2" Stainless Steel-Nonmagnetic Glass Viewport  1-1/2" Stainless Steel-Nonmagnetic Glass Viewport  VPN-150-K5  NW50
1.25"
-
2"
.125"
240


2" Stainless Steel-Nonmagnetic Glass Viewport  2" Stainless Steel-Nonmagnetic Glass Viewport  VPN-200-T  -
1.62"
2" O.D. Tube
2"
.170"
210


2" Stainless Steel-Nonmagnetic Glass Viewport  2" Stainless Steel-Nonmagnetic Glass Viewport  VPN-200-F3  3.37" CF
1.62"
-
2-1/8"
.170"
280


2" Stainless Steel-Nonmagnetic Glass Viewport  2" Stainless Steel-Nonmagnetic Glass Viewport  VPN-200-K5  NW50
1.62"
-
2-1/8"
.170"
280


2" Stainless Steel-Nonmagnetic Glass Viewport  2" Stainless Steel-Nonmagnetic Glass Viewport  VPN-200-L6  NW63
1.62"
-
2-1/8"
.170"
-


2-1/2" Stainless Steel-Nonmagnetic Glass Viewport  2-1/2" Stainless Steel-Nonmagnetic Glass Viewport  VPN-250-T  -
2.00"
2-1/2" O.D. Tube
2"
.170"
240


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