Submersible Ejector Pump EP SERIES

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	Impeller	FC200
Phase	(Single-phase upon request)	M.seal	Double mechanical seal
Motor	Dry submersible	M.seal	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
Insulation	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
Type	1ø	3ø	A	D	H	Q (lnch)	Remark
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