Active-magnetic-bearing turbomolecular pump with a nominal nitrogen pumping speed of 2,360 L/s. The CXF-250/2302 has a DN250 ISO-F standard inlet, KF40 foreline connection, water cooling and optional nitrogen barrier gas.
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Description
KYKY CXF-250/2302 Magnetically Levitated Turbomolecular Pump
The CXF-250/2302 is the higher-throughput DN250 model in the CXF family. Active magnetic bearings support contact-free rotor operation for low-vibration high-vacuum processes.
| Pumping speed: N₂ / Ar / He / H₂ | 2,360 / 2,260 / 1,980 / 1,250 L/s |
|---|---|
| Compression ratio: N₂ and Ar / He / H₂ | >1 × 108 / >1 × 104 / >1 × 103 |
| Ultimate pressure | 1 × 10−7 Pa with elastomer seal; 1 × 10−8 Pa stated for applicable metal-sealed configuration |
| Main inlet | DN250 ISO-F standard; DN250 CF optional; DN250 LF custom |
| Foreline / optional barrier-gas ports | KF40 / KF10 |
| Recommended nitrogen barrier flow | 50 sccm |
| Maximum continuous foreline pressure stated in source record | 1,500 Pa |
| Nominal rotor speed | 30,000 rpm |
| Acceleration / stopping time | ≤9 min / ≤12 min |
| Cooling | Water, ≥3 L/min, 10–25 °C |
| Supply | 220 V AC ±10%, 50 Hz or 110 V AC ±10%, 60 Hz |
| Mounting / weight | Any orientation / approximately 60 kg |
Confirm the CXF-2302 controller, exact flange, cables, cooling kit, purge option, backing pump and interface. Process compatibility and throughput limits are version-specific.
Provide safe lifting, rigid mounting and interlocked backing, cooling, rotor-speed and vent functions.
