BAOSI VACUUM DRY VACUUM PUMP GRH1202 Water-cooled,pumping speed 1200m³/h, 380V
Key advantages:
- Oil free vacuum – Critical for contamination-sensitive processes
- High reliability – Suitable for continuous industrial operation
- Handles condensable gases – Ideal for processes with steam/vapors
- Low maintenance – Cost-effective for long-term use
Technical Parameter
| Model |
Unit |
GRH1202 |
| Pumping speed |
m³/h |
1200 |
| Ultimate pressure |
Pa |
≤0.5 |
| Rated Power |
kW |
7.5+1.9 |
| Rated Voltage |
V |
380 |
| Cooling Water |
Pressure |
MPa |
0.1-0.6 |
| Flow |
L/min |
≥4.7 |
| Temp. |
℃ |
5~30 |
| Connector |
- |
G3/8 |
| N2 Purge |
Pressure |
MPa |
0.2~0.6 |
| Flow |
L/min |
4~96 |
| Connector |
- |
G1/4 |
| Inlet |
- |
ISO100 |
| Outlet |
- |
KF40 |
| Noise |
dB |
≤70 |
| Working Temp. |
℃ |
5~40 |
| Weight |
kgs |
220 |
Pumping Curve
OUTLINE DIMENSIONAL DRAWING

This dry pump is a core vacuum equipment with high pumping speed, wide pressure range, and stable performance, and is widely used in the following key industries:
- Pharmaceuticals (Pharma)
- Chemical & Petrochemical (Chem/Petrochem)
- Electronics & Semiconductor (Elec/Semi) – Vacuum coating, ion etching, HDD manufacturing, plasma cleaning
- Food & Beverage (F&B) – Freeze-drying, dehydration, vacuum packaging, dairy processing
- Aerospace & Aviation (Aero) – Brazing, vacuum heat treatment, environmental simulation
- Metallurgy & Foundry (Met/Foundry) – Vacuum melting, sintering, degassing, and titanium melting
- Medical & Healthcare (Med/Health) – Steam sterilization, hospital negative pressure systems, medical device manufacturing
- Plastics & Rubber (Plastics/Rubber) – Extrusion, thermoforming, degassing
- Printing & Paper (Print/Paper) – Paper converting, vacuum feeding
- Environmental & Wastewater (Env/WW) – Sewage handling, gas stripping, VOC recovery
- Research & Lab (R&D/Lab) – Rotary evaporation, distillation, vacuum drying, pilot plants