
Ulvac GHD (031B, 101D) Oil Rotary Vane Vacuum Pump Using Magnetic Coupling. Magnetic Coupling Design: Eliminates oil leakage at the shaft seal for reliable operation. Anti Backflow Valve: Automatically opens to atmosphere when stopped to prevent backflow. Wide Voltage Motor: Supports flexible voltage ranges for 50Hz and 60Hz power systems. 1-Year Warranty: Comprehensive 1-year warranty coverage for peace of mind. CE and TUV Certified: Meets international safety standards including CE, TUV, and cTUVus. Air Cooling System: Efficient air cooling method ensures stable performance. Full Customization: Offers flexible customization options from samples and designs. 100% Product Inspection: Every unit undergoes visual and functional inspection before shipping.