This 1st Stage Vane (Part #230104) is a replacement part made specifically for the high-performance Pfeiffer DUO 125M two-stage rotary vane pump . It is designed for use in the first stage (low vacuum stage) of this powerful pump, which can achieve an incredible pumping speed of up to 135 m³/h and an ultimate pressure down to 2 x 10⁻³ mbar . Vanes are the heart of any rotary vane pump,
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