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Roots rotary-lobe vacuum pump - 145 to 440 m3/h | Okta 250 series
The Okta 250 root pump from Pfeiffer Vacuum offer a pumping speed of up to 330 m3/h. It offers the highest compression values when compared to all other vendors. There is an integrated overflow valve for overpressure protection. There is no need for cooling water in these pumps. There are two models of Okta Root pumps: (1)A Series pumps are standard pumps (1 bar), integrated with shaft sealing rings, gray cast iron, flange connection complying with ISO-F and (2)AM Series pumps are standard pumps (1 bar). These are hermetically sealed with the help of magnetic coupling, gray cast iron (GG) and flange connection conferring with ISO-F.