About 8,000 types of vacuum components in stock at all times.Business Hours： 9:00-18:00, excluding weekends and holidays

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  • Feedthrough Feedthrough
    Feedthrough
  • Isolator Isolator
    Isolator
  • Viewport Viewport
    Viewport
  • Vacuum Component Vacuum Component
    Vacuum Component
  • Vacuum Valve Vacuum Valve
    Vacuum Valve
  • Vented Screw Vented Screw
    Vented Screw
  • Others Others
    Others
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Shipping accepted on the day on orders until 17:00
(Hours 9:00 to 18:00 except Saturdays, Sundays, and holidays)
  1. Cosmotec for Vacuum Components
  2. Viewport
  3. Quartz (SiO2)
  4. NW/KF Glass Flange Duran®/Fused Quartz/Synthetic Q
  1. Cosmotec for Vacuum Components
  2. Vacuum Component
  3. Blank Flange / Flange with Pipe
  4. Flange (NW / KF standards)
  5. Flange (NW / KF standards)
  6. NW/KF Glass Flange Duran®/Fused Quartz/Synthetic Q
  1. Cosmotec for Vacuum Components
  2. Vacuum Component
  3. NW / KF standard
  4. Viewport
  5. NW/KF Glass Flange Duran®/Fused Quartz/Synthetic Q
  1. Cosmotec for Vacuum Components
  2. Viewport
  3. Glass series for NW
  4. Glass blank flange
  5. NW/KF Glass Flange Duran®/Fused Quartz/Synthetic Q

NW/KF Glass Flange Duran®/Fused Quartz/Synthetic Q

NW/KF Glass Flange Duran®/Fused Quartz/Synthetic Q

▼Glass flange (viewport)
Easy to observe inside, suitable for control in plasma and high temperature applications
Wide effective diameter due to all-glass surface
Suitable for vacuum up to 10-7Pa
Optically polished laser transmission windows are also available
Maximum operating temperature: Duran® 450°C, quartz 1000°C
Note the operating temperature of the center ring (approx. 200°C).

▼Center ring for glass products and plastic clamps should be selected for use.
You can check here for both glass-to-glass and glass-to-metal.
　※Thicknesses are different for metal and glass products.
Resin clamps are available here.
　※Please be careful not to apply too much torque when fastening.

▼Others
If you have any questions about our products, please feel free to contact us from the "Inquiry" button.

For precision cleaning requests, please click here.

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Basic Information
Available pressure Atmospheric pressure ~ 10
Corresponding seal Dedicated elastomeric seal
Pressurization NW63 following ○, NW80 more ✖︎
Non-magnetic ○
chemical resistance ◎
Clean Room ○
Insulation ○
RoHS2 corresponding ○
Inquiry for this subcategory

We have 22 type candidate

※ Please click on the product code or model for more information.

front.product.product_code
Model
 NW/KF Flange material window Finish A T (glass thickness) V (effective diameter) Maximum temperature The lowest temperature
Stock & Delivery
front.product.price
front.product.tax_included2
30102
32.123.716
16 Duran® (borosilicate glass) Borosilicate glass - 30 6 16 450℃ -50℃
30335
32.123.816
16 Quartz Fused quartz - 30 6 16 1000℃ -50℃
30451
32.125.816
16 Quartz Fused quartz Optical 30 6 16 1000℃ -50℃
30106
32.123.825
25 Quartz Fused quartz - 40 6 24 1000℃ -50℃
30104
32.123.740
40 Duran® (borosilicate glass) Borosilicate glass - 55 6 40 450℃ -50℃
30107
32.123.840
40 Quartz Fused quartz - 55 6 40 1000℃ -50℃
30953
99.0008.06
40 Quartz Synthetic quartz - 55 6 40 1000℃ -50℃
30105
32.123.750
50 Duran® (borosilicate glass) Borosilicate glass - 75 6 50.3 450℃ -50℃
30108
32.123.850
50 Quartz Fused quartz - 75 6 50.3 1000℃ -50℃
30111
32.125.850
50 Quartz Fused quartz Optical 75 6 50.3 1000℃ -50℃
30248
32.123.763
63 Duran® (borosilicate glass) Borosilicate glass - 87 6 68 450℃ -50℃
30366
32.123.863
63 Quartz Fused quartz - 87 6 68 1000℃ -50℃
30450
32.125.863
63 Quartz Fused quartz Optical 87 6 68 1000℃ -50℃
30114
32.223.708
80 Duran® (borosilicate glass) Borosilicate glass - 114 11 83 450℃ -50℃
30424
32.223.808
80 Quartz Fused quartz - 114 11 83 1000℃ -50℃
30670
32.224.708
80 Duran® (borosilicate glass) Borosilicate glass Optical 114 11 83 450℃ -50℃
30633
32.224.808
80 Quartz Fused quartz Optical 114 11 83 1000℃ -50℃
30447
32.223.810
100 Quartz Fused quartz - 134 11 102 1000℃ -50℃
30634
32.224.810
100 Quartz Fused quartz Optical 134 11 102 1000℃ -50℃
30386
32.223.712
125 Duran® (borosilicate glass) Borosilicate glass - 161 11 127 450℃ -50℃
30446
32.223.812
125 Quartz Fused quartz - 161 11 127 1000℃ -50℃
30445
32.223.816
160 Quartz Fused quartz - 190 11 153 1000℃ -50℃
NW/KF Flange material window Finish A T (glass thickness) V (effective diameter) Maximum temperature The lowest temperature
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Shipping accepted on the day on orders until 17:00 Hours 9:00 to 18:00 except Saturdays, Sundays, and holidays
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