Oil Rotary Vacuum Pump

PVD Series



PVD series is a compact, double-stage rotary vane oil rotary vacuum pump coupled with belt-driven motor.
From the reliability and ease of use over the years, is a small belt-driven oil rotary vacuum pump has gotten used to a lot of customers.
From the low-speed rotation, it performs a quiet and stable exhaust characteristics.


  • 'Quiet and low speed rotation.
  • Enclosed belt cover for safety.


  • Vacuum filling and gas exchange
  • Vacuum adsorption , transport and casting
  • Vacuum molding
  • Vacuum drying and freeze drying


Model PVD180(B) *1 PVD-360(B) *1
Designed pumping speed 50Hz m3/h
9 / 155 / 5.3 19 / 310 / 11.2
60Hz 11 / 186 / 6.5 22 / 372 / 13
pressure *2
GP Close Pa/Torr/mbar ≦ 0.67 / 5×10-3 / 6.7×10-3
GP Open ≦ 6.7 / 5×10-2 / 6.7×10-2
Motor *3 Type of motor Totally enclosed fan cooled 3 phase induction motor
Energy efficiency class IE1 *4 IE3
Power kW (poles) 0.4 (4) 0.75 (4)
Voltage 50Hz V 200
60Hz 200 / 220 200 / 220 / 230
Oil capacity L 0.3 0.5
Cooling method Air cooled
Inlet port connection φ28 x φ19 φ34 x φ27
Outlet port connection G 3 / 4 G 1
External dimension WxDxH mm 265×470×321 303×488×321
Weight ( pump + pump base ) kg 33.5 43
Applicable standard -
Standard accessory A dose of oil,motor pulley 1set, V-belt 1set
Recommended oil mist trap (Optional) TMX-1 + adapter flange
Option TMX-1 oil mist trap, oil mist trap adapter, other oil types,
special type for special application

Note)This specification uses SI measurement units. Conversion to non-SI units is as follows
  6.7 Pa = 5 × 10-2 Torr
*1 PVD-180B and PVD-360B are versions of PVD-180 and PVD-360 with oil backflow prevention mechanisms.
*2 Measured with a Pirani gauge. ( Apprx. 6.7x10-2 Pa when measured with a McLeod vacuum gauge. )
*3 Please indicate the motor type, voltage and frequency requirement when ordering.
  As an option, explosion proof types are available. PVD-B series which are with solenoid valves
 are not able to select explosion-proof type.
*4 The energy efficiency regulation is not applicable for this motor.

Pumping Speed Curves


Dimension drawing


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