The 2 to 3 stage oil sealed pump systems are equipped with SOGEVAC and TRIVAC as fore pump combined with RUVAC WA(U), WS(U), WH(U) and RA pumps.
In single-flow arrangements suction speeds of 250 to 16 000 m³/h are possible. Higher suction speeds can be achieved by adding pumps system in parallel. The achievable working pressure depends on the number of pump stages and of pump systems in parallel!
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