Headquarters
- Activair s.r.o.
Sadová 189/44
746 01 Opava-Predmesti
Czech Republic
| Tel: | +420 595 171 552
|
| Fax: | +420 226 013 984 |
| E-mail: | |
| ID: | 28605837
|
| VAT: | CZ28605837 |
| ID data: | 3bngrkk
|
Branch Brno
- Activair s.r.o.
Marianske nam. 617/1
617 00 Brno
Czech Republic
| Tel: | +420 545 210 455
|
| Fax: | +420 226 013 984 |
| E-mail: |
Branch Praha
- Change of address!
Activair s.r.o.
Novodvorská 803/82
142 00 Praha 4 – Lhotka
Czech Republic
| Tel: | +420 222 362 288
|
| Fax: | +420 226 013 984 |
| E-mail: |
Slovakia
- Activair SK s.r.o.
Cementarenska cesta 16
974 01 Banska Bystrica
Slovakia
| Tel: | +421 948 422 022
|
| Fax: | +420 226 013 984 |
| E-mail: |
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KF (QF) Centering Rings (Aluminum)
These centering rings are used for mating KF flanges and include both the centering ring and o-ring. The KF (QF) flange is used for through- or foreline vacuum plumbing and for simple HV chamber ports.
KF Centering Rings Feature:
- Rings available in stainless steel, brass, or aluminum
- Stainless steel and aluminum centering rings available with either fluorocarbon or Buna-N o-rings
- Brass centering rings available with Buna-N o-rings only
| Flange Size | Dim A | Dim B | O-Ring Mat'l |
Weight kg |
| KF10 | 9.4 | 17 | Buna-N | 0.11 |
| KF16 | 16.1 | 17 | Buna-N | 0.11 |
| KF25 | 23.5 | 26 | Buna-N | 0.11 |
| KF40 | 38.4 | 40.9 | Buna-N | 0.11 |
| KF50 | 49.4 | 51.9 | Buna-N | 0.11 |
| KF10 | 9.4 | 11.9 | Viton | 0.11 |
| KF16 | 16.1 | 17 | Viton | 0.11 |
| KF25 | 23.5 | 26 | Viton | 0.11 |
| KF40 | 38.4 | 40.9 | Viton | 0.11 |
| KF50 | 49.4 | 51.9 | Viton | 0.11 |
