Seawater Centrifugal Pump

GSZ

Product code: GSZ

Application

Where seawater is utilized such as fishery farm, fishery processing factory, fish market, and etc.

Feature

Not only shaft and key, but also bolt and nut are made from stainless steel.
Both inner face and outer face of pump are painted with epoxy resin.
Aluminum sacrificial anode prevents electrical corrosion.
All products in this series are self priming type which makes priming works easier.

Standard spec

Application liquid

Fluid quality: Clean water: pH5.8~8.6, Seawater: pH7.8~8.2 Chloride ion concentration 19,000mg/L or less Sand contents: 1,000mg/L or less
Fluid temperature: 0 to 40 °C (no freezing)

Materials

Impeller: Cast iron
Shaft: SUS316
Casing: Cast iron

Motor

Type: TEFC indoor
Power source: Three phase
Speed: 50Hz: 3,000 min-1, 60Hz: 3,600 min-1
Efficiency: 0.75kW or more models are Premium efficiency (IE3).
Installation location: Indoor

Structure

Impeller: Closed
Shaft sealing: Gland packing
Bearing: Closed ball bearing
Flange figure: Special flange or JIS10K thin type
Paint color (Munsell No.): Epoxy resin scarlet (5R3/12)

Standard Accessories

Motor: TEFC indoor
Sacrificial anode for corrosion resistance: Aluminum alloy
Base: Cast iron
Coupling: with cover
Strainer: Resin
Companion flange: One set (with packing and bolts)

GSZ

Bore	Ref.	Model	Motor	Q	H	Q	H	Q	H	CAD Download
mm	―	―	kW	m³/min	m	m³/min	m	m³/min	m	―
40	3	GSZ405ME2.2	2.2	0.1	37	0.14	35	0.2	30.5	DL
50	6	GSZ505ME3.7	3.7	0.16	43	0.22	40	0.32	33.5	DL
65	8	GSZ655ME1.5	1.5	0.25	13.8	0.36	12.5	0.5	10	DL
65	9	GSZ655ME5.5	5.5	0.25	47	0.36	44.5	0.5	38.5	DL
80	11	GSZ805ME5.5	5.5	0.4	35.5	0.56	32	0.8	25	DL
100	13	GSZ1005ME5.5	5.5	0.63	23.5	0.9	20.5	1.25	16	DL
100	14	GSZ1005ME7.5	7.5	0.63	31	0.9	27	1.25	22	DL

GSZ

Ref.	Parts	Material	Q'ty
1	Cover with shaft		1
2	Key	SUS316	1
3	Impeller	Cast iron	1
4	Plane washer	SUS316	1
5	Cap nut	SUS316	1
6	O-ring	NBR-70-1	1
7	Casing	Cast iron	1
8	O-ring	NBR-70-1	1
9	Guide vane	(Cast iron)	1
10	Bolt	SUS304	6
11	O-ring	NBR-70-1	1
12	Plug	Stainless cast steel (304)	1
13	Ring packing	NR(A707)	1
14	Sacrificial anode	Aluminum, SUS304	1
15	Plug	Stainless cast steel (304)	1
16	Exhaust valve		1
17	Key	S45C	1
18	Coupling	Cast iron	1
19	Cup point set screw	SCM435	1
21	Base	Cast iron	1
22	Spring washer	SUS304	4
23	Bolt	SUS304	4
24	Motor		1
25	Coupling	(Cast iron)	1
26	Cup point set screw	SCM435	1
27	Plane washer	SUS304	4
28	Spring washer	SUS304	4
29	Bolt	SUS304	4

Ref.	Parts	Material	Q'ty
30-1	Square shim	SUS301	1
30-2	Square shim	Galvanized steel	1
30-3	Square shim	Galvanized steel	1
30-4	Square shim	Galvanized steel	1
31	Coupling guard	Steel plate	1
32	Plane washer	SUS304	2
33	Spring washer	SUS304	2
34	Bolt	SUS304	2
35	Square packing with valve disc	(EPDM)	1
36	Pipe with valve seat	(Cast iron)	1
37	Plug	Stainless cast steel (304)	1
38	Bolt	SUS304	4
39	Flange packing	NR(A707)	1
40	Flange	Cast iron	1
41	Bolt	SUS304	4
42	Nut	SUS304	4
43	Flange packing	NR(A707)	1
44	Flange	Cast iron	1
45	Bolt	SUS304	4
46	Nut	SUS304	4
47	Bolt	SUS304	2
48	Caution label	(Paper)	1
49	Explanation label	PVC	1
50	Nameplate	SUS304-CP	1
51	Drive screw	SUS304	4
52	Spring washer	SUS316	1
201	Adhesive		1

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