Osaka Vacuum
Osaka W630S/WA630S/WB630S Liquid-Ring Vacuum Pumps
Manufacturer: Osaka Vacuum, Ltd.
Model: W630S/WA630S/WB630S
Features
- Ideal for exhausting water vapor, water droplets, and organic solvents.
- Good also for exhausting gases with dust and particles.
- It can also exhaust flammable corrosive gases.
- Simple construction, economical design.
- Material and seal type can also be changed.
- A variety of sealing liquids can be used.
- Effective as the final stage in compound exhaust systems.
- Can achieve base pressure below the steam pressure of the liquid ring by attached the air ejector.
- A 2-stage air ejector offers even better pressure.
Specifications
| Model | W630S | WA630S※1 | WB630S※2 | ||
| Inlet flange | 80A JIS B 2290 VF | ||||
| Nominal pumping speed (m3/h) | 50Hz | 630 | |||
| 60Hz | 630 | ||||
| Base pressure (kPa)※3 | 2.7 | 0.8 | 0.13 | ||
| Rotating speed (min-1) | 50Hz | 950 | |||
| 60Hz | 950 | ||||
| Standard motor output (kW) | 30 | ||||
| Refill water level (m3/h)※4 | 4.8 | ||||
| Weight (kg) | With fully-enclosed fan cooled indoor-use motor※5 | 900 | 1020 | 1050 | |
| Without motor | 700 | 730 | 760 | ||
*1 : WA is equipped with a single-stage air-ejector.
*2 : WB is equipped with a 2-stage air-ejector.
*3 : For a water temperature of 15℃.
*4 : Maximum refilling water temperature should be 35℃.
*5 : Non-standard motors are also available.
-Allowable ambient temperature: 10 to 40℃ during operation, -5 to +60℃ in storage.
-Drain water before storing to prevent freezing over.
Dimensions
