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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(Hours 9:00 to 18:00 except Saturdays, Sundays, and holidays)
- Cosmotec for Vacuum Components
- Vacuum Component
- Gasket / Center ring / O-ring
- Center ring (NW / KF standard)
- With inner guide (NW / KF standard)
- NW / KF center ring Viton ®
- Cosmotec for Vacuum Components
- Vacuum Component
- NW / KF standard
- Center ring / seal
- NW / KF center ring Viton ®
NW / KF center ring Viton ®
▼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 | ○ |
We have 13 type candidate
※ Please click on the product code or model for more information.
front.product.product_code Model |
NW/KF | A | B | The inner ring | Stock & Delivery |
front.product.price front.product.tax_included2 |
|---|---|---|---|---|---|---|
| 10 | 12 | 10 | SUS 304 |
stock
6
1-2 Business Days
When out of stock
30 Business Days
|
1,500JPY
(with tax 1,650JPY)
|
|
| 16 | 17 | 16 | SUS 304 |
stock
184
1-2 Business Days
waiting for completion
500
Arrival on Feb 05,2025
When out of stock
30 Business Days
|
1,600JPY
(with tax 1,760JPY)
|
|
| 25 | 26 | 25 | SUS 304 |
stock
980
1-2 Business Days
When out of stock
30 Business Days
|
1,700JPY
(with tax 1,870JPY)
|
|
| 40 | 41 | 40 | SUS 304 |
stock
376
1-2 Business Days
waiting for completion
500
Arrival on Feb 05,2025
When out of stock
30 Business Days
|
2,100JPY
(with tax 2,310JPY)
|
|
| 50 | 52 | 50 | SUS 304 |
stock
216
1-2 Business Days
When out of stock
30 Business Days
|
2,700JPY
(with tax 2,970JPY)
|
|
| 50 | 52 | 50 | Aluminum |
stock
2
1-2 Business Days
|
2,600JPY
(with tax 2,860JPY)
|
|
| 63 | 70 | 68 | SUS 304 |
stock
11
1-2 Business Days
When out of stock
30 Business Days
|
5,700JPY
(with tax 6,270JPY)
|
|
| 80 | 83 | 81 | Aluminum |
stock
24
1-2 Business Days
|
4,400JPY
(with tax 4,840JPY)
|
|
| 100 | 102 | 100 | Aluminum |
stock
90
1-2 Business Days
|
3,000JPY
(with tax 3,300JPY)
|
|
| 125 | 127 | 125 | Aluminum |
stock
24
1-2 Business Days
|
3,900JPY
(with tax 4,290JPY)
|
|
| 160 | 153 | 151 | Aluminum |
stock
8
1-2 Business Days
|
6,800JPY
(with tax 7,480JPY)
|
|
| 200 | 213 | 211 | Aluminum |
stock
14
1-2 Business Days
|
9,100JPY
(with tax 10,010JPY)
|
|
| 250 | 261 | 269 | Aluminum |
stock
5
1-2 Business Days
|
8,400JPY
(with tax 9,240JPY)
|
| NW/KF | A | B | The inner ring |
|---|---|---|---|
