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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. Vacuum Component
  3. Gasket / Center ring / O-ring
  4. Center ring (NW / KF standard)
  5. With inner guide (NW / KF standard)
  6. 34.125037.211.812 Seal NW125 aluminum / Viton ®
  1. Cosmotec for Vacuum Components
  2. Vacuum Component
  3. NW / KF standard
  4. Center ring / seal
  5. 34.125037.211.812 Seal NW125 aluminum / Viton ®

34.125037.211.812 Seal NW125 aluminum / Viton ®

34.125037.211.812 Seal NW125 アルミ/バイトン®

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34.125037.211.812 Seal NW125 アルミ/バイトン®
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Product code :30471 Model:34.211.812

▼NW/KF Center Ring
For NW/KF flange (metal piping)
One-touch connection with inner ring guide
With outer ring can be used for high pressure applications.

▼The following types are standardized (List)
Applicable flange (NW): 10, 16, 25, 40, 50
Guide material: SUS, Teflon, aluminum
O-ring material: Viton, Nitrile, Karlez®, FEP
O-ring (Viton® / Nitrile)
※For glass piping (here)

▼We also offer the following products
Blank type: Processable type without a hole in the center
Aluminum edge seal: Ultra high vacuum even with NW flange ( 10-⁹Pa range) even with NW flanges (one-time use only, use clamp for metal seal)
Center Ring with Mesh: Mesh to prevent contamination
Conversion center ring: Converts between NW10 and NW16 without inserting nipples, etc.

▼Options
We can also provide drilling (orifice machining, etc.) and other options for blank types. Please contact us from the "Inquiry" button on the right side of the page.

For precision cleaning requests, click here.

Basic Information
Seal / gasket material Viton ®
Maximum temperature 150℃
The lowest temperature -20℃
RoHS2 corresponding ○
Inquiry for this product
RoHS2 Download
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Model
 NW/KF A B The inner ring
Stock & Delivery
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30471
34.211.812
125 127 125 Aluminum
34.125037.211.812 Seal NW125 アルミ/バイトン® admin.label.item.size_image
NW/KF A B The inner ring
125 127 125 Aluminum
Seal NW125 aluminum / Viton®
Product code :30471    Model:34.211.812
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34.125037.211.812 Seal NW125 アルミ/バイトン® admin.label.item.catalog_image
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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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