About 10,000 types of vacuum components in stock at all times.Business Hours: 9:00-18:00, excluding weekends and holidays
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▼NW/KF Center Ring
One-touch connection with ring guide
FEP O-rings have excellent chemical resistance and can be used from -50°C to 200°C.
▼Size and standard
Applicable flanges (NW): 10, 16, 25, 40, 50, 63, 80, 100, 125
Guide material: Teflon
O-ring material: Viton, FEP
*Thickness varies depending on the combination of pipes to be connected. Select from metal-to-metal, metal-to-glass, and glass-to-glass.
*NW80 or higher for glass is common for both metal-glass and glass-glass.
▼Others
SUS center ring is available (here)
If you have any questions about our products, please feel free to contact us by clicking the "Inquiry" button.
For precision cleaning, please click here.
| The outer ring | Teflon ® |
|---|---|
| The inner ring | Teflon ® |
| Non-magnetic | ○ |
| chemical resistance | ◎ |
| Clean Room | ○ |
| Insulation | ○ |
| RoHS2 corresponding | ○ |
| NW/KF | 25 |
| The contents of goods | O-ring only |
| Classification | For glass-to-glass connection |
| Maximum temperature | 200℃ |
| Seal / gasket material | Viton ® |
▼NW/KF Center Ring
One-touch connection with ring guide
FEP O-rings have excellent chemical resistance and can be used from -50°C to 200°C.
▼Size and standard
Applicable flanges (NW): 10, 16, 25, 40, 50, 63, 80, 100, 125
Guide material: Teflon
O-ring material: Viton, FEP
*Thickness varies depending on the combination of pipes to be connected. Select from metal-to-metal, metal-to-glass, and glass-to-glass.
*NW80 or higher for glass is common for both metal-glass and glass-glass.
▼Others
SUS center ring is available (here)
If you have any questions about our products, please feel free to contact us by clicking the "Inquiry" button.
For precision cleaning, please click here.
| The outer ring | Teflon ® |
|---|---|
| The inner ring | Teflon ® |
| Non-magnetic | ○ |
| chemical resistance | ◎ |
| Clean Room | ○ |
| Insulation | ○ |
| RoHS2 corresponding | ○ |
| Seal / gasket material | Viton ® |
| The contents of goods | O-ring only |
| Classification | For glass-to-glass connection |
| Available pressure | Atmospheric pressure ~ 10<sup> |
| The lowest temperature | -20℃ |
| Maximum temperature | 200℃ |
| NW/KF | 40 |