Vacuum pump PW4.11.1.1010 without motor
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Description
Water-ring vacuum pumps of the PW.4.11 series are single-stage vacuum pumps. They are designed for sucking and pumping dry gas with a temperature of up to 150°C and vaporized gases, characterized by the fact that their temperature does not exceed 100°C, with the possibility of using working fluids with a viscosity of up to 60 mm2/sec and a density of 800 - 1200 kg/m3, the water temperature at the pump outlet should not exceed 80°C. In PW series pumps, the pump and motor are mounted on a common support. The torque from the motor is transmitted to the impeller through a shaft mounted in the bearings of the support and an elastic coupling. This design makes the vacuum pump noticeably longer and heavier, but it also makes it easier to maintain when disassembling the pump or replacing the motor. In addition, the pump is mounted on 2 bearings (impeller between bearings), which results in a longer service life.
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