Kawamoto Submersible Pump

AU4

Product code: AU4

Application

Sewage drainage of office building, commercial building, hotel, school, hospital, factory, and etc.
Kitchen drainage
Other drainage of sewage

Feature

Unique shape of impeller and casing, and the ceramic-coated cutter piece help maintain long service life with excellent performance.
In order to exert the cutter performance effectively, we adopt our unique inlet shape and adopt a casing structure to bring out excellent pumping performance.
4 pole exclusive submersible motor has high torque and durability.
Built in auto-cut prevents motor from burn.
Two types available: flange type and pedestal support type for easy maintenance and inspection.
Built-in automatic type ("L") and automatic alternative type ("LN") with float switch are available.
Protection circuit for electric parts is equipped on the models with float switches.

Standard spec

Application liquid

Fluid quality: Sump and sewage (Hydrogen ion concentration pH5~9)
Fluid temperature: 0 to 40 °C

Materials

Impeller: Ductile cast iron 450 (induction hardening)
Cutter piece: SKD11(Steel for cold die)
Shaft: SUS420J2
Casing: Cast iron

Motor

Type: Dry-sealed motor (auto-cut built in)
Power source: Three phase
Speed: 50Hz: 1,500 min-1, 60Hz: 1,800 min-1

Max. submersing depth

Max. submersing depth: 8m

Structure

Impeller: Vortex type (with cutter)
Shaft sealing: Double mechanical seal (liquid side: SiC x SiC, motor side: ceramic x carbon)
Seal oil: Turbine oil
Bearing: Closed ball bearing

Automatic alternate model *alternate/parallel operation is possible by using automatic type.

Automatic alternate model *alternate/parallel operation is possible by using automatic type.: Scarlet (5R3/12)

Standard Accessories

Flange type: Pump body(with 10m 4 core submersible cable)

Flange type: Connecting bend pipe(Bolts for attaching pump body with companion flange)

Pedestal support type: Pump body(with 10m 4 core submersible cable)

Pedestal support type: Connecting pipe(Bolt for attaching pump)

Pedestal support type: Pedestal support(One set support with companion flange)

Pedestal support type: Chain(4m)

Optional Accessories

Control panel
EBA type full water level alarm control panel
EFS type trouble detector for drainage pump

Check valve for sump
Float switch

AU4

From left
1st: Manual type (Floor mount)
2nd: Automatic type
3rd: Automatic alternate type
4th: Manual type (Pedestal support type)

Operation method	Bore	Ref.	Model	Motor	Q	H	Q	H
―	mm	―	―	kW	m³/min	m	m³/min	m
Manual type	50	1	AU4-505-0.75T4	0.75	0.1	7.2	0.32	5
Manual type	50	2	*AU4-505-1.5T4 1**	1.5	0.1	10.2	0.5	7
Manual type	65	3	*AU4-655-1.5T4 1**	1.5	0.1	10.2	0.5	7
Manual type	65	4	AU4-655-2.2T4	2.2	0.16	12.5	0.5	9.5
Manual type	65	5	AU4-655-3.7T4	3.7	0.16	16	0.63	12.5
Manual type	65	6	AU4-655-5.5T4	5.5	0.16	19.2	0.8	14.2
Manual type	80	7	AU4-805-1.5T4	1.5	0.4	7.5	0.8	3.8
Manual type	80	8	AU4-805-2.2T4	2.2	0.4	10	0.8	7
Manual type	80	9	*AU4-805-3.7T4 2**	3.7	0.4	13.5	1.25	7.5
Manual type	80	10	*AU4-805-5.5T4 3**	5.5	0.4	15.5	1.4	9.8
Manual type	80	11	*AU4-805-7.5T4 4**	7.5	0.4	19.8	1.6	12.5
Manual type	100	12	*AU4-1005-3.7T4 2**	3.7	0.4	13.5	1.25	7.5
Manual type	100	13	*AU4-1005-5.5T4 3**	5.5	0.4	15.5	1.4	9.8
Manual type	100	14	*AU4-1005-7.5T4 4**	7.5	0.4	19.8	1.6	12.5
Automatic type	50	1	AU4-505-0.75T4L	0.75	0.1	7.2	0.32	5
Automatic type	50	2	*AU4-505-1.5T4L 1**	1.5	0.1	10.2	0.5	7
Automatic type	65	3	*AU4-655-1.5T4L 1**	1.5	0.1	10.2	0.5	7
Automatic type	65	4	AU4-655-2.2T4L	2.2	0.16	12.5	0.5	9.5
Automatic type	65	5	AU4-655-3.7T4L	3.7	0.16	16	0.63	12.5
Automatic type	80	7	AU4-805-1.5T4L	1.5	0.4	7.5	0.8	3.8
Automatic type	80	8	AU4-805-2.2T4L	2.2	0.4	10	0.8	7
Automatic type	80	9	*AU4-805-3.7T4L 2**	3.7	0.4	13.5	1.25	7.5
Automatic type	100	12	*AU4-1005-3.7T4L 2**	3.7	0.4	13.5	1.25	7.5
Automatic alternate type	50	1	AU4-505-0.75T4LN	0.75	0.1	7.2	0.32	5
Automatic alternate type	50	2	*AU4-505-1.5T4LN 1**	1.5	0.1	10.2	0.5	7
Automatic alternate type	65	3	*AU4-655-1.5T4LN 1**	1.5	0.1	10.2	0.5	7
Automatic alternate type	65	4	AU4-655-2.2T4LN	2.2	0.16	12.5	0.5	9.5
Automatic alternate type	65	5	AU4-655-3.7T4LN	3.7	0.16	16	0.63	12.5
Automatic alternate type	80	7	AU4-805-1.5T4LN	1.5	0.4	7.5	0.8	3.8
Automatic alternate type	80	8	AU4-805-2.2T4LN	2.2	0.4	10	0.8	7
Automatic alternate type	80	9	*AU4-805-3.7T4LN 2**	3.7	0.4	13.5	1.25	7.5
Automatic alternate type	100	12	*AU4-1005-3.7T4LN 2**	3.7	0.4	13.5	1.25	7.5

NOTE) Use an automatic alternate type combine with an automatic type. Automatic alternate/parallel operation is available.

*Model names of 1~4 on name plate are as follows. (Automatic type has "L" and Automatic alternate model has "LN" as the trailing character.)

*1 AU4-505/655-1.5T4

*2 AU4-805/1005-3.7T4

*3 AU4-805/1005-5.5T4

*4 AU4-805/1005-7.5T4

Read now

Related Products

ZU/ZUJ

Drainage and Sewage Submersible Pump Major Application: Drainage, Sewage treatment Max. bore (Suc. x Dis.): 80mm Max.Q: 1m3/min (264 GPM) Max. H: 35.5m (116 feet)

YUK

Drainage Submersible Pump Major Application: Drainage, Sewage treatment Max. bore (Suc. x Dis.): 50mm Max. Q: 0.36m3/min (95 GPM) Max. H: 14.2m (46 feet)

WUP4

Drainage Submersible Pump Major Applicatio: Drainage, Sewage treatment, Agriculture & Irrigation Max. bore (Suc. x Dis.): 50mm Max. Q: 0.25m3/min (66 GPM) Max. H: 16.2m (52 feet)

WUO

Drainage Submersible Pump Major Application: Drainage, Sewage treatment, Agriculture & Irrigation Max. bore (Suc. x Dis.): 80mm Max. Q: 0.9m3/min (237 GPM) Max. H: 25m (81 feet)

VUS

Stainless drainage vortex submersible pump Major Application: Drainage, Sewage treatment Max. bore (Suc. x Dis.): 100mm Max. Q: 1.8m3/min (475 GPM) Max. H: 24m (78 feet)

VUM

Man hole pump Major Application: Drainage, Sewage treatment Max. bore (Suc. x Dis.):100mm Max. Q: 1.8m3/min (475 GPM) Max. H: 24m (78 feet)