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ISO-KF
Flange Fittings and Components
DN 16 ISO-KF to DN 50 ISO-KF Aluminium Design
(to DIN 28 403)
[Tubes similar DIN 28 403]
The small flange connection developed by Leybold has become the basis of the international standard for vacuum technology .
Advantages to the User (Aluminium and Stainless Steel)
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- Quick, safe and reliable
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- No tools are need to provide a vacu- um-tight seal
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- Suitable down to pressures of 10-7 mbar (0 .75 x 10-7 Torr)
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- Suitable up to pressures of
2 .5 bar (36 psi) with inner centerring ring and clamping ring/quick clamp- ing ring -
- Suitable up to pressures of
5 bar (33 psi) with outside ring resp . ultra sealing ring and 3-part clamp- ing ring -
- Easy to disassemble and clean
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- In the case of special requirements as to degassing for the purpose of reducing the outgassing rate and in case of special requirements as to corrosion resistance, we recom- mend the use of stainless steel components .
Additional Benefits of the Stainless Steel Types
- With metal seals suitable for pressures down to 10-9 mbar (0 .75 x 10-9 Torr)
- Can be baked out up to 200 °C (392 °F) when using metal seals or UHV aluminium rings
- Can be degassed up to 150 °C (302 °F) with FPM (FKM) gaskets
- Corrosion resistant - Low degassing rate
Flexible Compensation Elements
Vacuum systems and pump systems often require components which are capable of protecting sensitive instruments against impacts or exces- sive vibrations while linking tubes at the same time .
Advantages to the User
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- Easy and quick to install
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- Safe and reliable
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- Tubes may be turned in any direction
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- No centering and sealing ring required
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- Capable of withstanding tempera- tures up to 80 °C (176 °F)
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- Suitable for pressures down to 10-5 mbar (0 .75 x 10-5 Torr)