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Work Principle
- This special submersible pump is equipped with specific accessories to create jet power. When pump works, it generates high pressure pushing liquid through the narrow tube in special nozzle. This jet power creates strong current and negative pressure at
the same time. - Special nozzle connects with air pipe up to surface of water. This negative pressure pulls air through pipe into nozzle which functions to be mixing chamber. This nozzle presses air into lots of small bubble and mix into liquid.
- Liquid with small bubble is pressured through expansion pipe and, at last, flushed outside causing best circulation and creating oxygen supply.
- All submersible ejector can matched with the guide rail system for easy installation and maintenance.
Applications
Submersible Ejector Pump EP SERIES
- Pre-aeration and mixing in wastewater treatment system
- Oxygen supply to a slurry treatment tank
- Air supply to aquaculture farm or fish pond
Features
- Special mix nozzle design provides high air flow with plenty of small air bubbles. This increases rate of oxygen supply.
- Special nozzle creates strong single airjet current direction and is enable vertical stirring movement.
- Low noise concept comes with submersible ejector type. Pump operates silently under water while it saves installation space.
- Easy installation and maintenance by using guide rail system makes system last long.
Product Features
High Solids Epoxy Coating
High solids expoxy coating is used to provide good resistance to wastewater, water contain chemical* or sea water*. Expoxy coating reduces speed of corrosion and extends life span of pump.
*Resistance is up to mild level of chemical and sea water. Please consult your dealer for intense level liquid.
Epoxy Cable Base
All cables are seals firmly by rubber cup and filled with thick layer of epoxy resin at the cable entry. This expoxy resin prevents moisture entering through cable into motor caused by suction force in motor chamber.
Motor Protector
The motor protector will be activated and cut power
off automatically when motor run in abnormal electric
current or temperature.
This auto-cut protector will be self reset the motor
when it returns to normal.
The auto-cut protector is installed in the motor and
no outside connection required. It is standard
equipment in pump up to 7.5kW.
Food Grade Lubricant
All pumps are filled with non toxic lubricant to follow company philosophy “JUNSUI” or pure water for good environment. This lubricant is food grade FDA standard, eco friendly and low impact on aquaculture farming.
Mechanical Seal
All pumps are equipped with double mechanical seal. Strong abrasion resistant mechanical seal composes of best grade silicon carbide to ensure the best seal performance.
High Efficiency Dry Motor
All stator coils are insulated by quality varnish under
the automatic production line. This ensures the best
insulation and durability.
Performance Curves
Specifications
| Motor | Body | ||
|---|---|---|---|
| Frequency | 50/ 60Hz | Impeller | Semi open (Channel) |
| Phase | Three-phase | FC200 | |
| (Single-phase upon request) | M.seal | Double mechanical seal | |
| Motor | Dry submersible | CA/CE & SiC/SiC | |
| induction motor | Bearing | Ball type | |
| 2P (up to 2.2kW)/ | Upper Cover | FC200 | |
| 4P (3.7 – 5.5kW) | Motor Frame | Stainless steel | |
| Insulation | Class B (up to 2.2kW)/ | Shaft | Stainless steel |
| Class F (3.7 – 5.5kW) | Casing | FC200 | |
| Protection | IP68 | Diffuser | Stainless steel |
| Protection Device | Auto-cut protector (built-in) | Cable | VCT or H07RN-F or SJOW/SOW |
| Application Liquid Temp | Waste water, Sewage and Aeration in Farming 0 – 40 C (32 – 104 F) | ||
Performance Spec
| Model | Motor Output | Air-inlet Bore | Air Volume Depth | Max Depth | Capacity | Solid Passage | Weight (kg) | Cable | Tank Max Dimension (m) | Accessories | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 ø | 3ø | kW | mm(inch) | m3/h(m) | Max Water | m3/h | mm | 1ø | 3ø | m | Length | Width | Height | Ejector | Guide Rail |
| EP2.8-1S | EP2.8-1 | 0.75 | 25(1″) | 15.5(2.5) | 3 | 21 | 20 | 19 | 18 | 10 | 3 | 2 | 3 | BEP-1AP | TEP.1AP |
| EP21.5-1.25S | EP21.5-1.25 | 1.5 | 32(11/”) | 26(3) | 4 | 51 | 20 | 34 | 30 | 8 | 4 | 3.5 | 4 | BEP-11/4BP | TEP-11/4BP |
| EP22.2-1.25S | EP22.2-1.25 | 2.2 | 32(11″) | 38(3) | 4.5 | 60 | 20 | 37 | 32 | 8 | 5 | 5 | 4.5 | BEP-11/4BP | TEP-11/4BP |
| – | EP43.7-23.7 | 3.7 | 50(2″) | 90(3) | 5.5 | 78 | 35 | – | 71 | 8 | 6 | 6 | 5 | BEP-2CP | TEP-2CP |
| – | EP45.5-2 5.5 | 5.5 | 50(2″) | 130(3) | 6 | 132 | 35 | – | 112 | 10 | 7 | 7 | 6 | BEP-2D | TEP-2D |
Dimensions
| Type | Model | A | D | H | Q (lnch) | Remark | |
|---|---|---|---|---|---|---|---|
| 1ø | 3ø | ||||||
| Ejector | EP2.8-18 | EP2.6-1 | 712 | 179 | 450 | 1″ | Figure1 & Figure 2 |
| EP21.5-1.256 | EP21.5-1.25 | 881 | 207 | 520 | 1%” | Figure 3 & Figure 4 | |
| EP22.2-1.258 | EP22.2-1.25 | 881 | 207 | 520 | 1%” | Figure 3 & Figure 4 | |
| – | EP43.7-2 | 1113 | 314 | 638 | 2″ | Figure 3 & Figure 4 | |
| – | EP45.5-2 | 1380 | 374 | 788 | 2″ | Figure 3 & Figure 4 | |
| Gulde Pall | EP2.2-18 | EP2.8-1 | 742 | 179 | 485 | 1″ | Figure 5 & Figure 6 & Figure 7 |
| EP21.6-1.269 | EP21.5-1.25 | 900 | 207 | 590 | 1%” | Figure 8 & Figure 9 & Figure 10 | |
| EP22.2-1.256 | EP22.2-1.25 | 800 | 207 | 598 | 1%” | Figure 8 & Figure 9 & Figure 10 | |
| – | EP43.7-2 | 1133 | 314 | 832 | 2″ | Figure 8 & Figure 9 & Figure 10 | |
| – | EP45.5-2 | 1402 | 374 | 819 | 2″ | Figure 8 & Figure 9 & Figure 10 | |
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