opis produktu
Marine Grade Submersible Water Pump – SS316L Corrosion Resistant for Seawater Applications
Built for the Harshest Marine Environments | 40+ Years of Industrial Pump Manufacturing Excellence
Engineered for Offshore, Desalination & Coastal High-Pressure Demands
When saltwater, humidity, and constant exposure threaten standard pumps, our Marine Grade Submersible Water Pump delivers unmatched durability and performance. Constructed entirely from SS316L stainless steel, this pump resists pitting, crevice corrosion, and chloride-induced degradation—even in continuous seawater immersion.
Trusted by shipbuilders, offshore platform operators, desalination plants, and coastal infrastructure projects worldwide, our pump combines decades of hydraulic engineering expertise with marine-specific material science to ensure long service life, minimal maintenance, and reliable operation where failure is not an option.
Key Features & Benefits
Full SS316L Construction: Motor housing, shaft, impeller, and fasteners all made from marine-grade 316L stainless steel for maximum corrosion resistance.
Optimized for Seawater & Brackish Water: Designed specifically for high-chloride environments; ideal for desalination intake, ballast transfer, deck washing, and cooling systems.
High-Pressure Performance: Delivers stable head up to 80 meters (262 ft) with flow rates customizable from 5–300 m³/h.
IP68 Submersible Rating: Fully sealed, oil-filled motor with double mechanical seals (SIC/SIC or optional tungsten carbide) for leak-proof underwater operation.
Energy-Efficient IE3 Motor: Low power consumption, reduced operating costs, and compatibility with VFD control for variable flow demands.
Marine Certifications Available: Compliant with ISO 9001 and CE; can be certified to DNV, ABS, or BV upon request for vessel and offshore installations.
Typical Applications
Stainless steel submersible pump models:
Parameters could be customized according to your local site.
| Pump Diameter |
Model |
Power |
Flow |
Head |
| Inch (") |
QJ type |
kw |
hp |
m3/h |
m |
| 8" |
200QJ20-135/10 |
15 |
20 |
18-22 |
115-156 |
| 8" |
200QJ20-175/13 |
18.5 |
25 |
18-22 |
150-210 |
| 8" |
200QJ20-202/15 |
22 |
30 |
18-22 |
172-232 |
| 8" |
200QJ20-283/21 |
30 |
40 |
18-22 |
240-325 |
| 8" |
200QJ20-338/25 |
37 |
50 |
18-22 |
287-388 |
| 8" |
200QJ25-126/9 |
15 |
20 |
23-27 |
100-145 |
| 8" |
200QJ25-182/13 |
22 |
30 |
23-27 |
150-210 |
| 8" |
200QJ25-294/21 |
37 |
50 |
23-27 |
250-340 |
| 8" |
200QJ32-104/8 |
18.5 |
25 |
29-35 |
84-125 |
| 8" |
200QJ32-144/9 |
22 |
30 |
29-35 |
123-172 |
| 8" |
200QJ32-195/15 |
30 |
40 |
29-35 |
166-225 |
| 8" |
200QJ32-234/18 |
37 |
50 |
29-35 |
190-258 |
| 8" |
200QJ40-78/6 |
15 |
20 |
37-43 |
67-93 |
| 8" |
200QJ40-117/9 |
22 |
30 |
37-43 |
94-140 |
| 8" |
200QJ40-208/16 |
37 |
50 |
37-43 |
177-247 |
| 8" |
200QJ50-78/6 |
18.5 |
25 |
46-54 |
63-93 |
| 8" |
200QJ50-91/7 |
22 |
30 |
46-54 |
73-110 |
| 8" |
200QJ80-88/8 |
30 |
40 |
74-86 |
75-101 |
| 8" |
200QJ100-75/5 |
37 |
50 |
80-120 |
72-77 |
| 10" |
250QJ50-340/17 |
75 |
100 |
46-54 |
315-375 |
| 10" |
250QJ63-100/5 |
30 |
40 |
58-68 |
75-100 |
| 10" |
250QJ125-32/2 |
18.5 |
25 |
116-134 |
27-37 |
| 10" |
250QJ160-105/7 |
75 |
100 |
148-172 |
90-120 |
| 10" |
250QJ160-120/8 |
90 |
120 |
148-172 |
115-125 |
| 10" |
250QJ160-150/10 |
110 |
150 |
148-172 |
144-156 |
| 12" |
300QJ200-20/1 |
18.5 |
25 |
186-214 |
17-23 |
| 12" |
300QJ240-110/5 |
100 |
135 |
223-257 |
95-125 |
| 12" |
300QJ300-80/4 |
110 |
150 |
279-321 |
68-92 |
| 12" |
300QJ300-100/5 |
140 |
190 |
279-321 |
96-104 |
| 12" |
300QJ300-120/6 |
160 |
220 |
279-321 |
115-125 |
| 12" |
300QJ300-140/7 |
185 |
250 |
279-321 |
134-146 |
| 12" |
300QJ300-160/8 |
220 |
300 |
279-321 |
153-167 |
| 14" |
350QJ250-50/2 |
63 |
85 |
233-267 |
47-53 |
| 14" |
350QJ250-100/4 |
125 |
170 |
233-267 |
95-105 |
| 14" |
350QJ320-90/3 |
140 |
190 |
305-335 |
85-95 |
| 16" |
400QJ500-40/1 |
90 |
120 |
460-540 |
38-42 |
| 16" |
400QJ500-80/2 |
185 |
250 |
460-540 |
77-83 |
| 18" |
450QJ1000-16/1 |
90 |
120 |
900-1200 |
44550 |
| 22" |
550QJ1200-18/1 |
110 |
150 |
1100-1400 |
15-22 |
| 24" |
600QJ1000-60/3 |
300 |
400 |
900-1200 |
58-62 |
316L submersible pump type with A4-80 nuts and screws, accredited successfully by ABS:
Seawater desalination plant feed & booster systems
Offshore oil & gas support vessels
Fishing boats, yachts, and commercial marine craft
Coastal power plant cooling circuits
Harbor infrastructure & floating dock water supply
Emergency bilge and flood drainage in saline environments
Why Choose Our Marine Submersible Pump?
With over 40 years of experience as a professional pump manufacturer, we don’t just sell pumps—we engineer solutions for extreme conditions. Every unit undergoes:
Rigorous factory testing (performance curve validation, insulation resistance, vibration analysis)
100% hydrostatic pressure testing before shipment
Custom engineering support for unique installation depths, voltages (110V–690V), or duty cycles
We’ve supplied thousands of marine-grade pumps across Asia, Europe, and the Middle East—with zero field failures due to corrosion in the past decade.
Ready to Specify the Right Pump for Your Marine Project?
Don’t risk downtime with generic “stainless” pumps that use 304 or mixed alloys. Get a true SS316L marine submersible pump built by engineers who understand seawater.
Contact us today for:
Free technical consultation
Custom performance curves & CAD drawings
Sample unit or bulk quotation (MOQ flexible)
Lead time: As fast as 15 days for standard models
Your offshore reliability starts with the right pump. Let’s build it together.
→ Request a Quote or Technical Data sheet Now
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