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MODEL: PMB-C

MODEL: PMB-C

Mechanical Booster Pump

By using together with dry vacuum pumps, oil rotary vacuum pumps or water-sealed vacuum pumps, mechanical booster pumps can increase pumping speed in the range between 10kPa to 0.1 Pa, where roughing pump pumping speed drops.

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Features

  • These pumps use no oil in the pumping chamber resulting in stable performance even when evacuating water vapor or solvent vapors.
  • Chemical science experiment, Analyzer and Laser system
  • Vacuum pumping system
  • Back pump for the electronic microscope
  • Semiconductor equipment, sputtering equipment, vacuum evaporation equipment
  • Vacuum dryer, freeze dryer

Specifications

Model PMB-040C PMB-060C
Actual pumping speed 50Hz 3,800 m3/h (63,300 L/min) 6,200 m3/h (103,300 L/min)
60Hz
Maximum suction pressure 50Hz 8.0 X 102 Pa
60Hz
Maximum allowable differential pressure 50Hz 5.9 X 103 Pa 5.1 X 103 Pa
60Hz
Ultimate pressure *1 6.7 X 10-1 Pa
Allowable drive pressure 8.0 X 10-2 Pa
Motor Type of motor Totally enclosed fan cooled 3 phase induction motor
Energy efficiency class IE3
Power 15 kW (4 poles) 18.5 kW (4 poles)
Voltage
(200V class)		 50Hz 200 V
60Hz 200 / 220 V
Oil SMR-200
Oil capacity　　　 8 L
Cooling method　　　 Water cooling
Cooling water Primary side pressure 0.3 Mpa
Inlet / outlet differential
pressure volume		 0.05 Mpa
Cooling water capacity 10 L/min
Cooling water temperature *2 5 ｰ 30 ℃
Inlet port　JIS-B-2290 VG250 equivalent VG300 equivalent
Outlet port　JIS-B-2290 *3 VF150 equivalent VF200 equivalent
Dimension W X D X H *4 772 x 1182 x 680mm 772 x 1452 x 680mm
T1 / T2 50Hz 1570 / 900 mm 1608 / 900 mm
60Hz 1570 / 940 mm 1608 / 940 mm
Weight 970 kg 1100 kg
Standard roughing pump PKS-070B PKS-070B x 2
Applicable standard -
Standard accessory without motor without motor
Option Motor voltage that differs from the voltage listed above.

Note)　This specification uses SI measurement units. Conversion to non-SI units is as follows :
　　6.7 x 10-1 Pa = 5 X 10-3 Torr
*1　Measured by Pirani vacuum gauge using a standard backing pump and standard vacuum oil.
*2　Use in an environment where there is no condensation.
*3　Outlet port (exhaust port) direction is able to select.
*4　For other dimensions, visit ULVAC web and refer to the posted CAD data.

Pumping Speed Curves

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Dimension drawing

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