Laboratory vacuum pump Okta 250 series

Rootshigh-performancelubricated

Roots vacuum pumps with a pumping speed from 145 to 440 m3/h: Product description Highest compression value of all vendors Integrated overflow valve No cooling water consumption Okta 250, roots vacuum pump, 230/400 V, 50 Hz | 265/460 V, 60 Hz Order number: PP W21 000 High-performance roots vacuum pump with a pumping speed of 145 to 440 m3/h With 3-phase motor, IE3 No thermal overload thanks to integral overflow valve For applications in the low and medium vacuum Ambient temperature 5-40 °C | 41-104 °F | 278-313 K Cooling method, standard Air Differential pressure at the overflow valve 75 hPa | 56.25 Torr | 75 mbar Differential pressure max. 75 hPa Okta 250, roots vacuum pump without motor Order number: PP W21 001 High-performance roots vacuum pump with a pumping speed of 145 to 440 m3/h Without motor (coupling and motor lantern are included in delivery) No thermal overload thanks to integral overflow valve For applications in the low and medium vacuum range Connection DN 63 ISO-F Okta 250 M, roots vacuum pump, 230/400 V, 50 Hz | 265/460 V, 60 Hz Order number: PP W22 100 High-performance roots vacuum pump with a pumping speed of 145 to 440 m3/h and magnetic coupling With 3-phase motor, IE3 No thermal overload thanks to integral overflow valve For applications in the low and medium vacuum range Okta 250 M, roots vacuum pump, 400–480 V Order number: PP W22 910 High-performance roots vacuum pump with a pumping speed of 145 to 440 m3/h and magnetic coupling With 3-phase motor, IE3, and flanged-on frequency inverter For applications in the low and medium vacuum range