Roots Vacuum Pumps

Roots Vacuum Pumps

RTO series inner watercooling Roots vacuum pumps and RTO/W series aircooling Roots vacuum pumps with overloading protection are the newest products. There are many features and advantages in RTO and RTO/W series, such as the combining cooling structure, the overloading protection, the controlling of gaps between rotor and rotor, rotors and pump chambers, the advantage in maintaining, the high pumping efficiency, the smoothly and quietly running, the low temperature rising, etc. RTO and RTO/W series Roots vacuum pump are used widely in various areas of vacuum engineering. They extend the operating range of fore vacuum pumps, such as rotary vane pumps, rotary piston pumps and water-ring pumps, down to lower pressures. It is of large pumping speed in the range of 1-100 Pa's intake pressure and suitable for the vacuum systems that need to gain large pumping speed in the lower intake pressure, such as for vacuum drying and impregnation in electric transformer, electric capacitor and electric mutual inductance, for vacuum degassing in vacuum heat treatment and vacuum smelting, for vacuum predischarging in vacuum coating equipment, for gas exhausting in low pressure wind tunnel and the fluorescent lamp line. By suitable selection of the forepumps, it is also suitable for the processes in vacuum distillation, vacuum concentration and vacuum drying in chemical industry, pharmacy, food and beverage, light industry and textile industry.

ModelRTO.300S
RTO/W.300S
RTO.600S
RTO/W.600S
RTO.900S
RTO/W.900S
RTO.1200T
Real Pumping Speed (L/s)3006009001200
Uitimate Presure (≤Pa)0.060.060.060.06
Protect at differential pressure (Pa)4300430027002700
Max. Zero-flowCom. Ratio40455050
Motor Power (Kw)35.57.57.5(9.5)
Motor Speed (rpm)3000300030003000
Inlet Dia. (mm)160200250250
Outlet Dia. (mm)100160200200
Noise ≤dB(A)80828484
Cooling
Mode
RTOInner Water coolingInner Water coolingInner Water coolingInner Water cooling
RTO/WAir coolingAir coolingAir coolingAir cooling


ModelRTO.1800TRTO.2500FRTO.3300FRTO.4000F
Real Pumping Speed (L/s)1800250033004000
Uitimate Presure (≤Pa)0.060.060.060.06
Protect at differential pressure (Pa)2700270027001000
Max. Zero-flowCom. Ratio50555555
Motor Power (Kw)1518.52222
Motor Speed (rpm)3000300030003000
Inlet Dia. (mm)250320320400
Outlet Dia. (mm)200250250320
Noise ≤dB(A)86868686
Cooling
Mode
RTOWater coolingWater coolingWater coolingWater cooling
RTO/W

Note: More Models of Pump: RTO.30S, RTO.70S, RTO.150S

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