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STAC ปั๊มน้ำเติมอากาศ รุ่น SJA2-22 3 แรงม้า ไฟฟ้า 380 โวลท์ ( Submersible Ejector Pumps )

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Description
 

 
SJA1

SJA2

Features
High Oxygen Transfer Rate
High efficiency mixing chamber design mechanism entrains large inlet air volume to mix with water completely, and produce many fine bubbles to increase oxygen transfer rate.
Quiet with Low noise
The ejector is submersible type, so it has low noise level. To get lower noise, it may add muffler on the air inlet pipe to decrease noise
Easy Installation & Maintenance
There are without Auto-setter and with Auto-setter for option, simple installation and easy maintenance for saving operational charge
Wide Range Applications
The ejector has wide range applications, such as industrial sewage treatment, groundwater aeration, activative sludge waste water treatment process.  They can be applied solely or combinations according to the necessary oxygen transfer rate and the size of the aeration tank
Construction Descriptions
The submersible ejector consists of specially designed pump for aeration. fine bubble generation mechanism, and auto setter device.
Specially Designed Pump
The pump adopts non-clog, high efficiency impeller
Fine Bubble Generation Mechanism
Including air inlet pipe, nozzle, mixing chamber, and diffuser, air is sucked into the mixing chamber, and mixed with water, then discharge through the diffuser
Auto-setter device
Including slide, guide rail and duckfoot, the ejector could be pulled out of the water directly while maintenance.

STAC ปั๊มน้ำเติมอากาศ  ( Submersible Ejector Pumps )

Model Motor Pole Rated performance Suit aeration Tank
SJA1 SJA2 kW HP Air
(M3/hr)
OTR
(KgO2/hr)
HR
(m)
L
(M)
W
(M)
H
(M)
SJA1-4 - 0.37 0.5 2 5 0.12∼0.23 1.5 2.0 1.8 2.0
SJA1-8 - 0.75 1 2 11 0.42∼0.52 3.0 3.0 2.5 3.0
SJA1-15 SJA2-15 1.5 2 2 28 1.23∼1.43 3.0 4.0 3.5 3.5
SJA1-22 SJA2-22 2.2 3 2 45 2.10∼2.50 3.0 5.0 4.5 4.0
SJA1-37 SJA2-37 3.7 5 2 80 3.50∼4.20 3.0 6.0 5.0 5.0
SJA1-55 SJA2-55 5.5 7.5 2 120 5.95∼6.90 3.0 7.0 6.0 6.0







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