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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- Cosmotec for Vacuum Components
- Vacuum Component
- Gasket / Center ring / O-ring
- Center ring (NW / KF standard)
- Vacuum Components outer guide with a center ring (NW / KF standard)
Vacuum Components outer guide with a center ring (NW / KF standard) Product List Vacuum Component
Subcategory 3Matter (1 ~3 )
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Seal / gasket material Viton ® Maximum temperature 200℃ The lowest temperature -20℃ Available pressure Atmospheric pressure ~ 10<sup> Leak rate <1.3x10<sup>-7</sup>Pa･㎥/sec Pressurization ○ Non-magnetic ○ Clean Room ○ RoHS2 corresponding ○ -
Seal / gasket material Aluminum Maximum temperature 200℃ The lowest temperature -50℃ Pressurization ○ Non-magnetic ○ Clean Room ○ RoHS2 corresponding ○ -
The outer ring Teflon ® The inner ring Teflon ® Non-magnetic ○ chemical resistance ◎ Clean Room ○ Insulation ○ RoHS2 corresponding ○
Products 39Matter (1 ~20 )
- Displayed results
- Display switching
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Product code :30253
Model:34.121.516▼NW/KF Center Ring
For NW/KF flange (metal piping)
One-touch connection with inner ring guide
The ring with outer ring can be used for internal pressure applications.
▼The following types are standardized
Applicable flange (NW): 10, 16, 25, 40, 50
Guide material: SUS
O-ring material: Viton
▼We also offer the following products
Blank type: Machinable type without a hole in the center
Center ring with mesh: with mesh to prevent foreign material contamination
Converting center ring: Converts flanges of different diameters without inserting nipples, etc.
▼Options
We can also provide drilling (orifice machining, etc.) for blank types and other options. Please contact us from the "Inquiry" button on the right side of the page.
For precision cleaning requests, please click here.Seal / gasket material Viton ® Maximum temperature 200℃ The lowest temperature -20℃ Available pressure Atmospheric pressure ~ 10<sup> Leak rate <1.3x10<sup>-7</sup>Pa･㎥/sec Pressurization ○ Non-magnetic ○ Clean Room ○ RoHS2 corresponding ○ NW/KF 16 A 30 C 16 J 23 The inner ring SUS 316L The outer ring Aluminum -
Product code :30145
Model:34.121.816▼NW/KF Center Ring
For NW/KF flange (metal piping)
One-touch connection with inner ring guide
The ring with outer ring can be used for internal pressure applications.
▼The following types are standardized
Applicable flange (NW): 10, 16, 25, 40, 50
Guide material: SUS
O-ring material: Viton
▼We also offer the following products
Blank type: Machinable type without a hole in the center
Center ring with mesh: with mesh to prevent foreign material contamination
Converting center ring: Converts flanges of different diameters without inserting nipples, etc.
▼Options
We can also provide drilling (orifice machining, etc.) for blank types and other options. Please contact us from the "Inquiry" button on the right side of the page.
For precision cleaning requests, please click here.Seal / gasket material Viton ® Maximum temperature 200℃ The lowest temperature -20℃ Available pressure Atmospheric pressure ~ 10<sup> Leak rate <1.3x10<sup>-7</sup>Pa･㎥/sec Pressurization ○ Non-magnetic ○ Clean Room ○ RoHS2 corresponding ○ NW/KF 16 A 30 C 16 J 23 The inner ring Aluminum The outer ring Aluminum -
Product code :30132
Model:34.121.325▼NW/KF Center Ring
For NW/KF flange (metal piping)
One-touch connection with inner ring guide
The ring with outer ring can be used for internal pressure applications.
▼The following types are standardized
Applicable flange (NW): 10, 16, 25, 40, 50
Guide material: SUS
O-ring material: Viton
▼We also offer the following products
Blank type: Machinable type without a hole in the center
Center ring with mesh: with mesh to prevent foreign material contamination
Converting center ring: Converts flanges of different diameters without inserting nipples, etc.
▼Options
We can also provide drilling (orifice machining, etc.) for blank types and other options. Please contact us from the "Inquiry" button on the right side of the page.
For precision cleaning requests, please click here.Seal / gasket material Viton ® Maximum temperature 200℃ The lowest temperature -20℃ Available pressure Atmospheric pressure ~ 10<sup> Leak rate <1.3x10<sup>-7</sup>Pa･㎥/sec Pressurization ○ Non-magnetic ○ Clean Room ○ RoHS2 corresponding ○ NW/KF 25 A 40 C 24 J 33 The inner ring SUS 316L The outer ring SUS 316L -
Product code :30138
Model:34.121.525▼NW/KF Center Ring
For NW/KF flange (metal piping)
One-touch connection with inner ring guide
The ring with outer ring can be used for internal pressure applications.
▼The following types are standardized
Applicable flange (NW): 10, 16, 25, 40, 50
Guide material: SUS
O-ring material: Viton
▼We also offer the following products
Blank type: Machinable type without a hole in the center
Center ring with mesh: with mesh to prevent foreign material contamination
Converting center ring: Converts flanges of different diameters without inserting nipples, etc.
▼Options
We can also provide drilling (orifice machining, etc.) for blank types and other options. Please contact us from the "Inquiry" button on the right side of the page.
For precision cleaning requests, please click here.Seal / gasket material Viton ® Maximum temperature 200℃ The lowest temperature -20℃ Available pressure Atmospheric pressure ~ 10<sup> Leak rate <1.3x10<sup>-7</sup>Pa･㎥/sec Pressurization ○ Non-magnetic ○ Clean Room ○ RoHS2 corresponding ○ NW/KF 25 A 40 C 24 J 33 The inner ring SUS 316L The outer ring Aluminum
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Product code :30146
Model:34.121.825▼NW/KF Center Ring
For NW/KF flange (metal piping)
One-touch connection with inner ring guide
The ring with outer ring can be used for internal pressure applications.
▼The following types are standardized
Applicable flange (NW): 10, 16, 25, 40, 50
Guide material: SUS
O-ring material: Viton
▼We also offer the following products
Blank type: Machinable type without a hole in the center
Center ring with mesh: with mesh to prevent foreign material contamination
Converting center ring: Converts flanges of different diameters without inserting nipples, etc.
▼Options
We can also provide drilling (orifice machining, etc.) for blank types and other options. Please contact us from the "Inquiry" button on the right side of the page.
For precision cleaning requests, please click here.Seal / gasket material Viton ® Maximum temperature 200℃ The lowest temperature -20℃ Available pressure Atmospheric pressure ~ 10<sup> Leak rate <1.3x10<sup>-7</sup>Pa･㎥/sec Pressurization ○ Non-magnetic ○ Clean Room ○ RoHS2 corresponding ○ NW/KF 25 A 40 C 24 J 33 The inner ring Aluminum The outer ring Aluminum -
Product code :30134
Model:34.121.340▼NW/KF Center Ring
For NW/KF flange (metal piping)
One-touch connection with inner ring guide
The ring with outer ring can be used for internal pressure applications.
▼The following types are standardized
Applicable flange (NW): 10, 16, 25, 40, 50
Guide material: SUS
O-ring material: Viton
▼We also offer the following products
Blank type: Machinable type without a hole in the center
Center ring with mesh: with mesh to prevent foreign material contamination
Converting center ring: Converts flanges of different diameters without inserting nipples, etc.
▼Options
We can also provide drilling (orifice machining, etc.) for blank types and other options. Please contact us from the "Inquiry" button on the right side of the page.
For precision cleaning requests, please click here.Seal / gasket material Viton ® Maximum temperature 200℃ The lowest temperature -20℃ Available pressure Atmospheric pressure ~ 10<sup> Leak rate <1.3x10<sup>-7</sup>Pa･㎥/sec Pressurization ○ Non-magnetic ○ Clean Room ○ RoHS2 corresponding ○ NW/KF 40 A 55 C 40 J 48 The inner ring SUS 316L The outer ring SUS 316L -
Product code :30139
Model:34.121.540▼NW/KF Center Ring
For NW/KF flange (metal piping)
One-touch connection with inner ring guide
The ring with outer ring can be used for internal pressure applications.
▼The following types are standardized
Applicable flange (NW): 10, 16, 25, 40, 50
Guide material: SUS
O-ring material: Viton
▼We also offer the following products
Blank type: Machinable type without a hole in the center
Center ring with mesh: with mesh to prevent foreign material contamination
Converting center ring: Converts flanges of different diameters without inserting nipples, etc.
▼Options
We can also provide drilling (orifice machining, etc.) for blank types and other options. Please contact us from the "Inquiry" button on the right side of the page.
For precision cleaning requests, please click here.Seal / gasket material Viton ® Maximum temperature 200℃ The lowest temperature -20℃ Available pressure Atmospheric pressure ~ 10<sup> Leak rate <1.3x10<sup>-7</sup>Pa･㎥/sec Pressurization ○ Non-magnetic ○ Clean Room ○ RoHS2 corresponding ○ NW/KF 40 A 55 C 40 J 48 The inner ring SUS 316L The outer ring Aluminum -
Product code :30140
Model:34.121.550▼NW/KF Center Ring
For NW/KF flange (metal piping)
One-touch connection with inner ring guide
The ring with outer ring can be used for internal pressure applications.
▼The following types are standardized
Applicable flange (NW): 10, 16, 25, 40, 50
Guide material: SUS
O-ring material: Viton
▼We also offer the following products
Blank type: Machinable type without a hole in the center
Center ring with mesh: with mesh to prevent foreign material contamination
Converting center ring: Converts flanges of different diameters without inserting nipples, etc.
▼Options
We can also provide drilling (orifice machining, etc.) for blank types and other options. Please contact us from the "Inquiry" button on the right side of the page.
For precision cleaning requests, please click here.Seal / gasket material Viton ® Maximum temperature 200℃ The lowest temperature -20℃ Available pressure Atmospheric pressure ~ 10<sup> Leak rate <1.3x10<sup>-7</sup>Pa･㎥/sec Pressurization ○ Non-magnetic ○ Clean Room ○ RoHS2 corresponding ○ NW/KF 50 A 75 C 50 J 59 The inner ring SUS 316L The outer ring Aluminum
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Product code :30241
Model:34.121.740▼NW/KF Center Ring
For NW/KF flange (metal piping)
One-touch connection with inner ring guide
The ring with outer ring can be used for internal pressure applications.
▼The following types are standardized
Applicable flange (NW): 10, 16, 25, 40, 50
Guide material: SUS
O-ring material: Viton
▼We also offer the following products
Blank type: Machinable type without a hole in the center
Center ring with mesh: with mesh to prevent foreign material contamination
Converting center ring: Converts flanges of different diameters without inserting nipples, etc.
▼Options
We can also provide drilling (orifice machining, etc.) for blank types and other options. Please contact us from the "Inquiry" button on the right side of the page.
For precision cleaning requests, please click here.Seal / gasket material Viton ® Maximum temperature 200℃ The lowest temperature -20℃ Available pressure Atmospheric pressure ~ 10<sup> Leak rate <1.3x10<sup>-7</sup>Pa･㎥/sec Pressurization ○ Non-magnetic ○ Clean Room ○ RoHS2 corresponding ○ NW/KF 40 The inner ring Aluminum The outer ring Aluminum -
Product code :30147
Model:34.121.840▼NW/KF Center Ring
For NW/KF flange (metal piping)
One-touch connection with inner ring guide
The ring with outer ring can be used for internal pressure applications.
▼The following types are standardized
Applicable flange (NW): 10, 16, 25, 40, 50
Guide material: SUS
O-ring material: Viton
▼We also offer the following products
Blank type: Machinable type without a hole in the center
Center ring with mesh: with mesh to prevent foreign material contamination
Converting center ring: Converts flanges of different diameters without inserting nipples, etc.
▼Options
We can also provide drilling (orifice machining, etc.) for blank types and other options. Please contact us from the "Inquiry" button on the right side of the page.
For precision cleaning requests, please click here.Seal / gasket material Viton ® Maximum temperature 200℃ The lowest temperature -20℃ Available pressure Atmospheric pressure ~ 10<sup> Leak rate <1.3x10<sup>-7</sup>Pa･㎥/sec Pressurization ○ Non-magnetic ○ Clean Room ○ RoHS2 corresponding ○ NW/KF 40 A 55 C 40 J 48 The inner ring Aluminum The outer ring Aluminum -
Product code :30136
Model:34.121.350▼NW/KF Center Ring
For NW/KF flange (metal piping)
One-touch connection with inner ring guide
The ring with outer ring can be used for internal pressure applications.
▼The following types are standardized
Applicable flange (NW): 10, 16, 25, 40, 50
Guide material: SUS
O-ring material: Viton
▼We also offer the following products
Blank type: Machinable type without a hole in the center
Center ring with mesh: with mesh to prevent foreign material contamination
Converting center ring: Converts flanges of different diameters without inserting nipples, etc.
▼Options
We can also provide drilling (orifice machining, etc.) for blank types and other options. Please contact us from the "Inquiry" button on the right side of the page.
For precision cleaning requests, please click here.Seal / gasket material Viton ® Maximum temperature 200℃ The lowest temperature -20℃ Available pressure Atmospheric pressure ~ 10<sup> Leak rate <1.3x10<sup>-7</sup>Pa･㎥/sec Pressurization ○ Non-magnetic ○ Clean Room ○ RoHS2 corresponding ○ NW/KF 50 A 75 C 50 J 59 The inner ring SUS 316L The outer ring SUS 316L -
Product code :30260
Model:34.121.750▼NW/KF Center Ring
For NW/KF flange (metal piping)
One-touch connection with inner ring guide
The ring with outer ring can be used for internal pressure applications.
▼The following types are standardized
Applicable flange (NW): 10, 16, 25, 40, 50
Guide material: SUS
O-ring material: Viton
▼We also offer the following products
Blank type: Machinable type without a hole in the center
Center ring with mesh: with mesh to prevent foreign material contamination
Converting center ring: Converts flanges of different diameters without inserting nipples, etc.
▼Options
We can also provide drilling (orifice machining, etc.) for blank types and other options. Please contact us from the "Inquiry" button on the right side of the page.
For precision cleaning requests, please click here.Seal / gasket material Viton ® Maximum temperature 200℃ The lowest temperature -20℃ Available pressure Atmospheric pressure ~ 10<sup> Leak rate <1.3x10<sup>-7</sup>Pa･㎥/sec Pressurization ○ Non-magnetic ○ Clean Room ○ RoHS2 corresponding ○ NW/KF 50 The inner ring Aluminum The outer ring Aluminum
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Product code :30191
Model:34.212.E08▼NW/KF Center Ring
For NW/KF flange (metal piping)
One-touch connection with inner ring guide
The ring with outer ring can be used for internal pressure applications.
▼The following types are standardized
Applicable flange (NW): 10, 16, 25, 40, 50
Guide material: SUS
O-ring material: Viton
▼We also offer the following products
Blank type: Machinable type without a hole in the center
Center ring with mesh: with mesh to prevent foreign material contamination
Converting center ring: Converts flanges of different diameters without inserting nipples, etc.
▼Options
We can also provide drilling (orifice machining, etc.) for blank types and other options. Please contact us from the "Inquiry" button on the right side of the page.
For precision cleaning requests, please click here.Seal / gasket material Viton ® Maximum temperature 200℃ The lowest temperature -20℃ Available pressure Atmospheric pressure ~ 10<sup> Leak rate <1.3x10<sup>-7</sup>Pa･㎥/sec Pressurization ○ Non-magnetic ○ Clean Room ○ RoHS2 corresponding ○ NW/KF 80 The inner ring SUS 304 The outer ring Aluminum -
Product code :30192
Model:34.212.E10▼NW/KF Center Ring
For NW/KF flange (metal piping)
One-touch connection with inner ring guide
The ring with outer ring can be used for internal pressure applications.
▼The following types are standardized
Applicable flange (NW): 10, 16, 25, 40, 50
Guide material: SUS
O-ring material: Viton
▼We also offer the following products
Blank type: Machinable type without a hole in the center
Center ring with mesh: with mesh to prevent foreign material contamination
Converting center ring: Converts flanges of different diameters without inserting nipples, etc.
▼Options
We can also provide drilling (orifice machining, etc.) for blank types and other options. Please contact us from the "Inquiry" button on the right side of the page.
For precision cleaning requests, please click here.Seal / gasket material Viton ® Maximum temperature 200℃ The lowest temperature -20℃ Available pressure Atmospheric pressure ~ 10<sup> Leak rate <1.3x10<sup>-7</sup>Pa･㎥/sec Pressurization ○ Non-magnetic ○ Clean Room ○ RoHS2 corresponding ○ NW/KF 100 The inner ring SUS 304 The outer ring Aluminum -
Product code :30855
Model:34.289.112▼NW/KF Outer ring Aluminum
For NW/KF flange (metal piping)
Use outer ring when used in pressurized (internal pressure) environment.
Applicable flanges (NW): 80, 100, 125, 160, 200, 250
▼ 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.Seal / gasket material Aluminum Maximum temperature 200℃ The lowest temperature -50℃ Pressurization ○ Non-magnetic ○ Clean Room ○ RoHS2 corresponding ○ NW/KF 125 J 144 E 157 -
Product code :30330
Model:34.289.125▼NW/KF Outer ring Aluminum
For NW/KF flange (metal piping)
Use outer ring when used in pressurized (internal pressure) environment.
Applicable flanges (NW): 80, 100, 125, 160, 200, 250
▼ 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.Seal / gasket material Aluminum Maximum temperature 200℃ The lowest temperature -50℃ Pressurization ○ Non-magnetic ○ Clean Room ○ RoHS2 corresponding ○ NW/KF 250 J 275 E 292
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Product code :30332
Model:34.121.225▼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 A 40 C 24 J 33 Seal / gasket material FEP Maximum temperature 200℃ The lowest temperature -50℃ Available pressure Atmospheric pressure ~ 10<sup> Classification For metal-to-metal connection The contents of goods With center ring -
Product code :30834
Model:34.121.250▼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 50 A 75 C 50 J 59 Seal / gasket material FEP Maximum temperature 200℃ The lowest temperature -50℃ Available pressure Atmospheric pressure ~ 10<sup> Classification For metal-to-metal connection The contents of goods With center ring -
Product code :30835
Model:34.121.263▼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 63 A 87 C 68 J 77 Seal / gasket material FEP Maximum temperature 200℃ The lowest temperature -50℃ Available pressure Atmospheric pressure ~ 10<sup> Classification For metal-to-metal connection The contents of goods With center ring -
Product code :30142
Model:34.121.625▼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 A 40 C 24 J 33 Seal / gasket material Viton ® Maximum temperature 200℃ The lowest temperature -20℃ Available pressure Atmospheric pressure ~ 10<sup> Classification For metal-to-metal connection The contents of goods With center ring
