SS304 Vacuum Fitting KF Trapped Centering Ring NW25/NW40 Stainless Steel KF16/KF25/KF40 Trapped Centering Ring
KF Trapped Centering Ring SS304 Vacuum Fitting NW25/NW40 Stainless Steel KF16/KF25/KF40 Trapped Centering Ring
- Overview
- Recommended Products
Applications
KF flanges are a sexless design made from 304 stainless, they can be used in a wide range of applications including:
- Roughing and foreline plumbing
- Small pipe systems
- Systems need frequent cleaning or modification
- Research and teaching laboratories
Material and Size
- Flanges,Blanks,Fittings:Stainless Steel 304,316L or Aluminum
- Clamps:Aluminum or Stainless Steel 304
- O-Ring:Viton/NBR/EPDM
- Size:KF10-KF50(See Figure 1
Vacuum range
Elastomer seal: >= 1 x 10-8 Torr
Temperature range
Viton: -50°C to 200°C
Installation
The ISO-KF components are assembled by inserting a centering ring between the two flange faces, then securing the assembly with a flange encompassing clamp (see Figure 2).

The ISO-KF components are assembled by inserting a centering ring between the two flange faces, then securing the assembly with a flange encompassing clamp (see Figure 2)

KF Trapped Centering Ring
* Material:SS304

| Model for 304 | Size | A/mm | B/mm | C/mm | N.W./g | ||||||||||||||||||||||||||||||
| FLG82N1K164 | KF16 | 18.45 | 16.1 | 19.5 | |||||||||||||||||||||||||||||||
| FLG82N1K254 | KF25 | 28.45 | 24.85 | 29.5 | |||||||||||||||||||||||||||||||
| FLG82N1K404 | KF40 | 42.95 | 39.85 | 44 | |||||||||||||||||||||||||||||||
