Kawamoto Submersible Pump

SU4

Product code: SU4

Application

Waste water
Septic tank drainage
Pit drainage
Drainage for rain water and sump
Building drainage

Feature

Superior H-Q performance and less concern about impeller lock from rust because of adopting closed impeller and Bronze or Stainless cast steel material for impeller.
Adopting safe, long life, & high torque exclusive submersible motor with built-in auto-cut function.
Attached strainer blocks foreign objects sucked into pump. The Strainer is exercised ingenuity to contribute increasing pump performance, trimming weight, and ventilation.
The flange is attached with a pedestal support to avoid excess load to be applied to the pump.
Double mechanical seal structure adopting SiC, a high durability material for lubrication material , shuts off water immersion to motor.
Two types available: flange type and pedestal support type for easy maintenance and inspection.
As well as manual operation type, Automatic type and Automatic alternate type are available. Automatic alternate operation type can carry out alternate operation with Automatic type, and parallel operation just in case of abnormal high water level withou
Protection circuit for electric parts is equipped on the models with float switches.

Standard spec

Application liquid

Fluid quality: Dirty water like sump and etc, not including solids (pH5~9)
Fluid temperature: 0~40°C

Materials

Impeller: Bronze or Stainless cast steel (304)
Shaft: SUS403
Casing: Cast iron

Motor

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

Max. submersing depth 8m (1.5 kW or more: 8m)

Structure

Impeller: Closed (Strainer is attached at suc.)
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
Exclusive flange (JIS 10K thin type)
Paint color (Munsell No.): Scarlet (5R3/12)

Standard Accessories

4 cores submersible cable: 0.75kW: 6m, 1.5kW or more: 10m
Companion flange: 1 set (with packing and bolts)
Fluid level switch: in case float switch built in model
Pedestal support: in case pedestal support type

Optional Accessories

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

Submersible(drainage)

SU4

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

Specificiation table 50Hz

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

Operation method	Bore	Ref.	Model	Motor	Q	H	Q	H	CAD Download	CAD Download
―	mm	―	―	kW	m³/min	m	m³/min	m	Floor mount type	Removable type
Manual type	50	1	SU4-505-0.75	0.75	0.05	18.5	0.28	7.8	DL	DL
Manual type	50	2	SU4-505-1.5	1.5	0.07	24.8	0.4	10.5	DL	DL
Manual type	50	3	SU4-505-2.2	2.2	0.1	31	0.5	14.5	DL	DL
Manual type	50	4	SU4-505-3.7	3.7	0.1	39	0.5	27	DL	DL
Manual type	50	5	SU4-505-5.5	5.5	0.1	55	0.4	42	DL	DL
Manual type	50	6	SU4-505-7.5	7.5	0.1	67	0.4	58	DL	DL
Automatic type	50	1	SU4-505-0.75L	0.75	0.05	18.5	0.28	7.8	DL	DL
Automatic type	50	2	SU4-505-1.5L	1.5	0.07	24.8	0.4	10.5	DL	DL
Automatic type	50	3	SU4-505-2.2L	2.2	0.1	31	0.5	14.5	DL	DL
Automatic type	50	4	SU4-505-3.7L	3.7	0.1	39	0.5	27	DL	DL
Automatic alternate type	50	1	SU4-505-0.75LN	0.75	0.05	18.5	0.28	7.8	DL	DL
Automatic alternate type	50	2	SU4-505-1.5LN	1.5	0.07	24.8	0.4	10.5	DL	DL
Automatic alternate type	50	3	SU4-505-2.2LN	2.2	0.1	31	0.5	14.5	DL	DL
Automatic alternate type	50	4	SU4-505-3.7LN	3.7	0.1	39	0.5	27	DL	DL

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

SU4

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

Ref.	Parts	Material	Q'ty
16	Strainer	SPCD	1
17	Bolt	SUS304	2
18	Spring washer	SUS304	2
19	Packing	NBR(B2.707)	1
20	Insulation tube	PE	3
21	Motor cover with electric parts		1
22	Bolt	SUS304	4
23	Spring washer	SUS304	4
24	Plug	Stainless cast steel (304)	1
28	Shim	SUS304	1
29	Nameplate	SUS304-CP	1
30	Eye bolt	SUS304	4
31	Tag	Paper	1
32	Caution label	PVC	1

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