Kawamoto Submersible Pump

ZU/ZUJ

Product code: ZU/ZUJ

Application

Drainage of sewage
Sewage including solid and drainage facility for office building, commercial building, hotel, school, hospital, factory, and etc.

Feature

Adoption of new S-shaped impellers provides excellent object passage.
Compact, light weight and less installation space by adoption of 2 pole submersible motor.
Adoption of the air pocket forming prevention mechanism on the back side of the impeller.
Double mechanical seal employing oil bus type wear resistant material (SiC) to prevent flooding into the motor, and built-in auto cut prevents motor burnout.
Adopting powerful, safe, and long life exclusive submersible motor.
Automatic operation model (L type: Automatic, LN type: Automatic alternate) with Float switch are available.
ZUJ type is equipped with a pedestal support for easy maintenance and inspection.
Protection circuit for electric parts is equipped on the models with float switches.
Evaluated item of by (C) Public Buildings Association., Ltd. in Japan.

Standard Accessories

Submersible cable: *3 core in single phase, 4 core in three phase, 0.75kW or less: 6m, 1.5kW or more: 10m
Companion flange: One set (with packing and bolts)
Fluid level switch: in case float switch built in model
4m chain: One set (only in ZUJ type)
Cable band: 3 pcs (only in ZU3 type)

Optional Accessories

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

Standard spec

Application liquid

Fluid quality: Miscellaneous sump, sewage, Hydrogen ion concentration pH5~9
Fluid temperature: 0 to 40 °C

Materials

Impeller: Ductile Cast iron
Shaft: SUS403
Casing: Cast iron

Motor

Type: Dry-sealed motor (auto-cut built in)
Power source: Single phase or Three phase
Speed: 50Hz: 3,000 min-1, 60Hz: 3,600 min-1

Max. submersing depth: 8m

Structure

Impeller: Semi open S shape non-clog
Shaft sealing: Double mechanical seal (liquid side: SiC x SiC, Motor side: Ceramic x Carbon)
Seal oil: Turbine oil
Bearing: Closed ball bearing

Flange figure: JIS10K thin type or special flange

Paint color (Munsell No.): Scarlet (5R3/12)

Submersible(drainage and sewage)

ZU/ZUJ

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

Specificiation tableNOTEActual performance may slightly differ from the values in table and chart. Values in table show standard characteristics.

50Hz

Convert to [U.S.GPM, ft.]

ZU/ZUJ

Operation method	Bore	Ref.	Model	Motor	Q	H	Q	H	CAD Download
―	mm	―	―	kW	m³/min	m	m³/min	m	―
Manual type	50	1	ZU3-505-0.4S *1	0.4	0.1	7.5	0.25	4.5	DL
Manual type	50	2	ZU3-505-0.4T *2	0.4	0.1	7.5	0.25	4.5	DL
Manual type	50	3	ZU3-505-0.75T4	0.75	0.16	10	0.32	6	DL
Manual type	50	4	ZU3-505-1.5T4	1.5	0.16	16	0.32	12.2	DL
Manual type	65	5	ZU3-655-1.5T4	1.5	0.25	13.8	0.5	7.8	DL
Manual type	65	6	ZU3-655-2.2T4	2.2	0.25	17	0.5	12.2	DL
Manual type	65	7	ZU3-655-3.7T4	3.7	0.25	25	0.5	20.5	DL
Manual type	80	8	ZU3-805-2.2T4	2.2	0.4	14.2	0.8	6.8	DL
Manual type	80	9	ZU3-805-3.7T4	3.7	0.4	22.5	0.8	14.2	DL
Manual type	80	10	ZU3-805-5.5T4	5.5	0.5	27.5	1	17.5	DL
Manual type	80	11	ZU3-805-7.5T4	7.5	0.5	35	1	25	DL
Automatic type	50	1	ZU3-505-0.4SL *1	0.4	0.1	7.5	0.25	4.5	DL
Automatic type	50	2	ZU3-505-0.4TL *2	0.4	0.1	7.5	0.25	4.5	DL
Automatic type	50	3	ZU3-505-0.75T4L	0.75	0.16	10	0.32	6	DL
Automatic type	50	4	ZU3-505-1.5T4L	1.5	0.16	16	0.32	12.2	DL
Automatic type	65	5	ZU3-655-1.5T4L	1.5	0.25	13.8	0.5	7.8	DL
Automatic type	65	6	ZU3-655-2.2T4L	2.2	0.25	17	0.5	12.2	DL
Automatic type	65	7	ZU3-655-3.7T4L	3.7	0.25	25	0.5	20.5	DL
Automatic type	80	8	ZU3-805-2.2T4L	2.2	0.4	14.2	0.8	6.8	DL
Automatic type	80	9	ZU3-805-3.7T4L	3.7	0.4	22.5	0.8	14.2	DL
Automatic alternate type	50	1	ZU3-505-0.4SLN *1	0.4	0.1	7.5	0.25	4.5	DL
Automatic alternate type	50	2	ZU3-505-0.4TLN *2	0.4	0.1	7.5	0.25	4.5	DL
Automatic alternate type	50	3	ZU3-505-0.75T4LN	0.75	0.16	10	0.32	6	DL
Automatic alternate type	50	4	ZU3-505-1.5T4LN	1.5	0.16	16	0.32	12.2	DL
Automatic alternate type	65	5	ZU3-655-1.5T4LN	1.5	0.25	13.8	0.5	7.8	DL
Automatic alternate type	65	6	ZU3-655-2.2T4LN	2.2	0.25	17	0.5	12.2	DL
Automatic alternate type	65	7	ZU3-655-3.7T4LN	3.7	0.25	25	0.5	20.5	DL
Automatic alternate type	80	8	ZU3-805-2.2T4LN	2.2	0.4	14.2	0.8	6.8	DL
Automatic alternate type	80	9	ZU3-805-3.7T4LN	3.7	0.4	22.5	0.8	14.2	DL
Manual type	50	1	ZUJ-505-0.4S *1	0.4	0.1	7.5	0.25	4.5	DL
Manual type	50	2	ZUJ-505-0.4T *2	0.4	0.1	7.5	0.25	4.5	DL
Manual type	50	3	ZUJ-505-0.75T4	0.75	0.16	10	0.32	6	DL
Manual type	50	4	ZUJ-505-1.5T4	1.5	0.16	16	0.32	12.2	DL
Manual type	65	5	ZUJ-655-1.5T4	1.5	0.25	13.8	0.5	7.8	DL
Manual type	65	6	ZUJ-655-2.2T4	2.2	0.25	17	0.5	12.2	DL
Manual type	65	7	ZUJ-655-3.7T4	3.7	0.25	25	0.5	20.5	DL
Manual type	80	8	ZUJ-805-2.2T4	2.2	0.4	14.2	0.8	6.8	DL
Manual type	80	9	ZUJ-805-3.7T4	3.7	0.4	22.5	0.8	14.2	DL
Manual type	80	10	ZUJ-805-5.5T4	5.5	0.5	27.5	1	17.5	DL
Manual type	80	11	ZUJ-805-7.5T4	7.5	0.5	35	1	25	DL
Automatic type	50	1	ZUJ-505-0.4SL *1	0.4	0.1	7.5	0.25	4.5	DL
Automatic type	50	2	ZUJ-505-0.4TL *2	0.4	0.1	7.5	0.25	4.5	DL
Automatic type	50	3	ZUJ-505-0.75T4L	0.75	0.16	10	0.32	6	DL
Automatic type	50	4	ZUJ-505-1.5T4L	1.5	0.16	16	0.32	12.2	DL
Automatic type	65	5	ZUJ-655-1.5T4L	1.5	0.25	13.8	0.5	7.8	DL
Automatic type	65	6	ZUJ-655-2.2T4L	2.2	0.25	17	0.5	12.2	DL
Automatic type	65	7	ZUJ-655-3.7T4L	3.7	0.25	25	0.5	20.5	DL
Automatic type	80	8	ZUJ-805-2.2T4L	2.2	0.4	14.2	0.8	6.8	DL
Automatic type	80	9	ZUJ-805-3.7T4L	3.7	0.4	22.5	0.8	14.2	DL
Automatic alternate type	50	1	ZUJ-505-0.4SLN *1	0.4	0.1	7.5	0.25	4.5	DL
Automatic alternate type	50	2	ZUJ-505-0.4TLN *2	0.4	0.1	7.5	0.25	4.5	DL
Automatic alternate type	50	3	ZUJ-505-0.75T4LN	0.75	0.16	10	0.32	6	DL
Automatic alternate type	50	4	ZUJ-505-1.5T4LN	1.5	0.16	16	0.32	12.2	DL
Automatic alternate type	65	5	ZUJ-655-1.5T4LN	1.5	0.25	13.8	0.5	7.8	DL
Automatic alternate type	65	6	ZUJ-655-2.2T4LN	2.2	0.25	17	0.5	12.2	DL
Automatic alternate type	65	7	ZUJ-655-3.7T4LN	3.7	0.25	25	0.5	20.5	DL
Automatic alternate type	80	8	ZUJ-805-2.2T4LN	2.2	0.4	14.2	0.8	6.8	DL
Automatic alternate type	80	9	ZUJ-805-3.7T4LN	3.7	0.4	22.5	0.8	14.2	DL

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

*1 For single phase 200V model. Inquire about for other power supply voltage usage.

*2 For three phase 200V model. Inquire about for other power supply voltage usage.

ZU/ZUJ

Ref.	Parts	Material	Q'ty
1	Submersible motor		1
2	Mechanical seal		1
4	O-ring	NBR-70-1	1
5	Casing cover	(Cast iron)	1
6	Spring washer	SUS304	3
7	Socket head cap bolt	SUS304	3
8-1	Shim	SUS304	3
8-2	Shim	SUS304	3
9	Key	SUS403	1
10	Impeller	Cast iron	1
11	External gear washer	SUS304-CSP	1
12	Nut	SUS304	1
13	Turbine oil		0
14	Plug	Stainless cast steel (304)	1
15	Casing	Cast iron	1

Ref.	Parts	Material	Q'ty
18	Spring washer	SUS304	3
19	Bolt	SUS304	3
20	Motor cover with electric parts		1
21	Packing	NBR(B2.707)	1
23	Spring washer	SUS304	4
24	Bolt	SUS304	4
27	Packing for rhombic flange	NR(A707)	1
28	Rhombic flange	Cast iron	1
29	Spring washer	SUS304	2
30	Bolt	SUS304	2
31	Plug	Stainless cast steel (304)	1
32	Nameplate	SUS304-CP	1
33	Drive screw	SUS304	4
34	Caution label	PVC	1

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