NRD4

Dual Stage Oil Sealed Rotary Vane Vacuum Pump

cUL Approved

Two Shift Adjustable Gas Ballast Valve

Anti-suck back Design

Forced Oil Circulation System

Technical Specification

Displacement speed m3/h (L/s) 50Hz 4 (1.1)
60Hz 4.8 (1.3)
Ultimate partial pressure gas ballast close Pa 5×10-2
Ultimate total pressure gas ballast close Pa 5×10-1
Ultimate total pressure gas ballast open () Pa 3
Power supply Single/Three-phase
Power rating kw 0.4/0.37
hp 0.5
Motor speed rpm (50Hz) 1440
rpm (60Hz) 1720
Oil capacity litres 0.6-1.0
Ambient Temperature 10-40
Noise level dB ≤56
Net weight kg 19
lbs 42
Dimensions mm 460*144*207
inch 18.2*5.7*8.2

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