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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  • Feedthrough Feedthrough
    Feedthrough
  • Isolator Isolator
    Isolator
  • Viewport Viewport
    Viewport
  • Vacuum Component Vacuum Component
    Vacuum Component
  • Vacuum Valve Vacuum Valve
    Vacuum Valve
  • Vented Screw Vented Screw
    Vented Screw
  • Others Others
    Others
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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. Viewport
  3. Glass series for NW
  4. Center ring
  5. NW/KF Center Ring Teflon/FEP/Viton® for glass, met
  1. Cosmotec for Vacuum Components
  2. Vacuum Component
  3. Gasket / Center ring / O-ring
  4. Center ring (NW / KF standard)
  5. With outer guide (NW / KF standard)
  6. NW/KF Center Ring Teflon/FEP/Viton® for glass, met

NW/KF Center Ring Teflon/FEP/Viton® for glass, met

NW/KF Center Ring Teflon/FEP/Viton® for glass, met

▼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.

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Basic Information
The outer ring Teflon ®
The inner ring Teflon ®
Non-magnetic ○
chemical resistance ◎
Clean Room ○
Insulation ○
RoHS2 corresponding ○
Inquiry for this subcategory

We have 31 type candidate

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

front.product.product_code
Model
 NW/KF A C E J C1 Seal / gasket material Maximum temperature The lowest temperature Available pressure Classification The contents of goods
Stock & Delivery
front.product.price
front.product.tax_included2
30153
34.122.616
16 30 16 32 - - Viton ® 200℃ -20℃ Atmospheric pressure ~ 10<sup> For glass-to-glass connection With center ring
30162
34.123.616
16 30 16 32 - - Viton ® 200℃ -20℃ Atmospheric pressure ~ 10<sup> For glass-to-metal connection With center ring
30149
34.122.216
16 30 16 32 - - FEP 200℃ -50℃ Atmospheric pressure ~ 10<sup> For glass-to-glass connection With center ring
30530
34.803.802
25 - - - - - Viton ® 200℃ - - For glass-to-glass connection O-ring only
30142
34.121.625
25 40 24 - 33 - Viton ® 200℃ -20℃ Atmospheric pressure ~ 10<sup> For metal-to-metal connection With center ring
30154
34.122.625
25 40 24 42 - - Viton ® 200℃ -20℃ Atmospheric pressure ~ 10<sup> For glass-to-glass connection With center ring
30163
34.123.625
25 40 24 42 - - Viton ® 200℃ -20℃ Atmospheric pressure ~ 10<sup> For glass-to-metal connection With center ring
30986
34.803.202
25 - - - - - FEP 200℃ -50℃ Atmospheric pressure ~ 10<sup> For glass-to-glass connection O-ring only
30292
34.123.P25
25 - - - - - Kalrez ®4079 - - - For glass-to-metal connection With center ring
30332
34.121.225
25 40 24 - 33 - FEP 200℃ -50℃ Atmospheric pressure ~ 10<sup> For metal-to-metal connection With center ring
30150
34.122.225
25 40 24 42 - - FEP 200℃ -50℃ Atmospheric pressure ~ 10<sup> For glass-to-glass connection With center ring
30976
34.803.804
40 - - - - - Viton ® 200℃ -20℃ Atmospheric pressure ~ 10<sup> For glass-to-glass connection O-ring only
30143
34.121.640
40 55 40 - 48 - Viton ® 200℃ -20℃ Atmospheric pressure ~ 10<sup> For metal-to-metal connection With center ring
30155
34.122.640
40 55 40 57 - - Viton ® 200℃ -20℃ Atmospheric pressure ~ 10<sup> For glass-to-glass connection With center ring
30164
34.123.640
40 55 40 57 - - Viton ® 200℃ -20℃ Atmospheric pressure ~ 10<sup> For glass-to-metal connection With center ring
30151
34.122.240
40 55 40 57 - - FEP 200℃ -50℃ Atmospheric pressure ~ 10<sup> For glass-to-glass connection With center ring
30144
34.121.650
50 75 50 - 59 - Viton ® 200℃ -20℃ Atmospheric pressure ~ 10<sup> For metal-to-metal connection With center ring
30165
34.123.650
50 75 50.3 77 - - Viton ® 200℃ -20℃ Atmospheric pressure ~ 10<sup> For glass-to-metal connection With center ring
30834
34.121.250
50 75 50 - 59 - FEP 200℃ -50℃ Atmospheric pressure ~ 10<sup> For metal-to-metal connection With center ring
30152
34.122.250
50 75 50.3 77 - - FEP 200℃ -50℃ Atmospheric pressure ~ 10<sup> For glass-to-glass connection With center ring
30293
34.121.663
63 87 68 - 77 - Viton ® 200℃ -20℃ Atmospheric pressure ~ 10<sup> For metal-to-metal connection With center ring
30157
34.122.663
63 87 68 89.5 - - Viton ® 200℃ -20℃ Atmospheric pressure ~ 10<sup> For glass-to-glass connection With center ring
30166
34.123.663
63 87 68 89 - - Viton ® 200℃ -20℃ Atmospheric pressure ~ 10<sup> For glass-to-metal connection With center ring
30835
34.121.263
63 87 68 - 77 - FEP 200℃ -50℃ Atmospheric pressure ~ 10<sup> For metal-to-metal connection With center ring
30311
34.122.263
63 87 68 89.5 - - FEP 200℃ -50℃ Atmospheric pressure ~ 10<sup> For glass-to-glass connection With center ring
30526
34.211.208
80 - 83 - 98 81 FEP 200℃ -50℃ Atmospheric pressure ~ 10<sup> For metal-to-metal connection With center ring
30188
34.212.510
100 - 134 - 114 102 Viton ® 200℃ -20℃ Atmospheric pressure ~ 10<sup> For both glass and metal With center ring
30491
34.212.210
100 - 134 - 114 102 FEP 200℃ -50℃ Atmospheric pressure ~ 10<sup> For both glass and metal With center ring
30189
34.212.512
125 - 161 - 139 127 Viton ® 200℃ -20℃ Atmospheric pressure ~ 10<sup> For both glass and metal With center ring
30374
34.212.212
125 - 161 - 139 127 FEP 200℃ -50℃ Atmospheric pressure ~ 10<sup> For both glass and metal With center ring
30190
34.212.516
160 - 190 - 162 153 Viton ® 200℃ -20℃ Atmospheric pressure ~ 10<sup> For both glass and metal With center ring
NW/KF A C E J C1 Seal / gasket material Maximum temperature The lowest temperature Available pressure Classification The contents of goods
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NW/KF センターリング テフロン/FEP/バイトン® ガラス用、金属用 admin.label.item.catalog_image
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締結の説明
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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