Rotary vane pump RZ 2.5 Vacuubrand

The one-stage RE 2.5 and two-stage RZ 2.5 are high-performance rotary vane pumps with extra compact design and low weight. They are the ideal solution for a wide range of laboratory and process applications that require low ultimate vacuum at medium gas flow rate. The rotary vane pumping unit PC 3 with cold trap (GKF 1000i) at the inlet helps the pump to handle larger volumes of condensable vapors. The pumping unit is compact, user-friendly, and well-arranged, with oil mist filter at the outlet, a valve, and a T-connection for a gauge. The RZ 2.5 is also available combined with the oil mist filter (FO) and the VS 16 valve as a package.

Performance features

• high flow rates even at vacuum levels approaching ultimate vacuum
• high water vapor tolerance due to efficient gas ballast; very good ultimate vacuum even with gas ballast
• vacuum-tight at switch-off; external anti-suckback valve not needed
• large oil volume: Long intervals between oil changes
• ease of maintenance due to telescopic design

• Number of stages: 2
• Max. pumping speed at 50/60 Hz: 2.3 / 2.8 m3/h
• Max. pumping speed at 50/60 Hz: 1.4 / 1.6 cfm
• Ultimate partial vacuum (abs.): 4 x 10-4 mbar
• Ultimate vacuum (abs.): 2 x 10-3 / 1.5 x 10-3 mbar/torr
• Ultim. vac. (abs.) with gas ballast: 1 x 10-2 / 0.75 x 10-2 mbar/torr
• Water vapor tolerance with gas ballast: 40 mbar
• Ambient temperature range (operation): 12 - 40 °C
• Ambient temperature range (storage): -10 - 60 °C
• Oil capacity (B-Oil) min./max.: 0.1 / 0.28 l
• Max. back pressure (abs.): 1.1 bar
• Inlet connection: Small flange KF DN 16
• Outlet connection: Hose nozzle DN 8-10 mm
• Rated motor power: 0.18 kW
• Rated motor speed at 50/60 Hz: 1500/1800 min-1
• Degree of protection: IP 40
• Dimensions (L x W x H): 316 x 125 x 190 mm
• Weight: 11.4 kg
• Noise level at 50 Hz, typ.: 43 dBA
• Items supplied: Pump oil filled and completely mounted, ready for use, with manual.