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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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. NW / KF center ring SUS / Kalrez ®
  1. Cosmotec for Vacuum Components
  2. Vacuum Component
  3. NW / KF standard
  4. Center ring / seal
  5. NW / KF center ring SUS / Kalrez ®

NW / KF center ring SUS / Kalrez ®

NW / KF center ring SUS / Kalrez ®

▼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.

see next
Basic Information
The inner ring SUS 316L
Seal / gasket material Kalrez ®4079
Maximum temperature 315℃
The lowest temperature -10℃
RoHS2 corresponding ○
Inquiry for this subcategory

We have 4 type candidate

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

front.product.product_code
Model
 NW/KF A B
Stock & Delivery
front.product.price
front.product.tax_included2
21175
NW16CRSK
16 17 16
21176
NW25CRSK
25 26 25
21177
NW40CRSK
40 41 40
21178
NW50CRSK
50 52 50
NW/KF A B
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NW/KF センターリング SUS/カルレッツ® admin.label.item.catalog_image
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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