JSA Series
Specifications
Performance
Performance (air flow rate)

Note)
The air flow rates given are for standard conditions, i.e. temperature 20℃ and 1 atm; there may be variation of up to approximately ±5%.
Main Specifications
Model | JSA15 | JSA221 | JSA371 | JSA55 | |
---|---|---|---|---|---|
Handling Liquid | Kind of Liquid | Wastewater and sewage | |||
Temperature | 0 - 32℃ | ||||
Material | Cable | PVC insulated PVC sheathed cable | |||
Motor Shaft | 420J2 Stainless steel | ||||
Impeller | 304 Stainless steel casting | ||||
Discharge housing | Gray iron casting (FC200) | ||||
Electric Motor | Type | Dry type submersible induction motor | |||
Insulation / Enclosure | Class E / IP68 | ||||
Phase | 3-phase | ||||
No. of poles | 2 | 4 | |||
Atarting Method | Direct on line | ||||
Protector | Thermal protector (Auto-reset type) |
Standard Specifications
Intake pipe dia. (mm) |
Model | Rated output (kW) |
No. of poles |
Revolving speed (min-1) |
Passable particle dia. (mm) |
No. of outlets |
Max. water depth-Air flow rate (m - m3/h) |
Weight (kg) |
---|---|---|---|---|---|---|---|---|
32 | JSA15 | 1.5 | 2 | 3,000 | 12 | 5 | 3.5 ー 21 | 45 |
50 | JSA221 | 2.2 | 4 | 1,500 | 15 | 8 | 3.6 ー 30 | 110 |
JSA371 | 3.7 | 4.0 ー 56 | 115 | |||||
JSA55 | 5.5 | 4.0 ー 78 | 135 |
Component Specifications
Model | Cable specifications | Mechanical seal | |||||
---|---|---|---|---|---|---|---|
Type | Sectional area |
No. of cores |
Outside dia. | Length | Top | Bottom | |
JSA15 | PVC insulated PVC sheathed cable |
1.25mm2 | 4 | 11.5mm | 8m | SiC/SiC | SiC/SiC |
JSA221 | |||||||
JSA371 | 2.0mm2 | 12mm | |||||
JSA55 | 3.5mm2 | 14mm |
Flow Pattern

- Bubble delivery dia. : Area in which bubbles provide direct oxidation.
- Flow agitation dia. : Area in which indirect oxidation occurs through flow agitation.
- ※The JSA-series is not designed for anaerobic mixing.
Model | Limit water depth (m) |
Bubble arrival dia. (m) |
Convective agitating dia. | |
---|---|---|---|---|
Circle (m) | Square (m) | |||
JSA15 | 3.5 | (1.9) | (5) | (4.5) |
JSA221 | 3.6 | (2.4) | (6) | (5.5) |
JSA371 | 4.0 | (3) | (7) | (6.5) |
JSA55 | (3.9) | (12) | (11) |