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DS 202 Rotary Vane Pump

DS 202 Rotary Vane Pump

DS 202 Rotary Vane Pump

The DS 202 is a dual-stage oil-sealed rotary vane pump that delivers a pumping speed of 8.3 m3/hr at 50 Hz, or 5.8 CFM at 60 Hz, and a base pressure of < 2 x 10-3 mbar. The DS 202 has a low sound pressure, and has a universal voltage single-phase electric motor, with integral power switch.

An inlet isolation valve is integrated into the pump to close off the inlet port whenever power to the pump is interrupted. This antibackstream valve retains vacuum in the roughing, or foreline, and prevents pump oil from contaminating the vacuum chamber. The DS 202 has a manual gas ballast valve, which when opened, allows the pump to achieve its rated water vapor handling specification.

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