Description
BOC Edwards STP-L301 turbomolecular pump, original Made in Japan.
The unit is in good used condition as shown in the photos. The rotor chamber is clean with no scratches, bearings run smoothly, and the pump reaches rated speed normally. Ideal for semiconductor tools, coating systems, mass spectrometers, and high-vacuum laboratory applications.
The nameplate indicates 14 kg weight and 48,000 rpm rated speed. Manufactured in Japan (Chiba factory).
Features:
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Genuine Edwards STP-L301 turbo pump
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Extremely high rotational speed: 48,000 rpm
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Clean internal rotor, no wear
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Suitable for system replacement or repair
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Tested and confirmed functional
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Comes with original connector and flange
Perfect for vacuum equipment engineers, semiconductor servicing, and high-vacuum R&D systems.
