Marine Double Suction Pump
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Marine Horizontal Double Suction Split Case PumpsFILIPUSI Volume Seawater Pumping Solutions | 20 Years of Marine Field ExpertiseFILIPUSI is an engineering-focused manufacturer delivering high-efficiency marine horizontal double suction split case pumps. Designed for continuous duty in harsh maritime environments, our axially split casing structure allows quick overhead inspection without disturbing inlet/outlet piping.
⚓ Maritime Class Compliance Available: ABS | BV | CCS | DNV | GL Standards
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Why Choose Horizontal Split-Case Architecture?
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Rapid Overhead Maintenance The axially split upper casing lifts easily to grant immediate inspection of bearings, seals, and impellers without unbolting pipeline connections, drastically cutting dry-dock downtime. |
Low-Vibration Base Mounting Horizontal mounting lowers the center of gravity compared to vertical pumps, minimizing operational vibration during heavy sea states and boosting bearing operational longevity. |
Double Suction Hydraulic Balance Liquid enters both sides of the impeller simultaneously, neutralizing axial hydraulic thrust and reducing seal stress for vibration-free continuous duty. |
Marine Metallurgical Armor Customized bronze alloys (C95800) and Duplex Stainless Steels prevent erosion-corrosion, pitting, and galvanic failure in high-velocity seawater loops. |
Technical Specifications for Marine Applications
The following engineering boundaries outline FILIPUSI's standard horizontal double suction split case pump platform for maritime systems:
| Technical Parameter | Standard Rating Range | International Compliance |
|---|---|---|
| Flow Rate (Q) | 50 – 20,000 m³/h |
ISO / DIN / JIS Flanges IACS Classification: ABS | DNV | CCS BV | LR |
| Total Head (H) | 10 – 200 Meters | |
| Material Selection | Ni-Al Bronze (C95800), Duplex Stainless Steel (2205/2507), Super Duplex | |
| Operating Temperature | -20℃ to 120℃ | |
| Flange Dimensions | DN50 – DN1200 (JIS / DIN / ANSI Standard) | |
| Sealing Solution | Heavy-Duty Seawater Mechanical Seals / Gland Packing Option |
Core Maritime Infrastructure Applications
FILIPUSI horizontal split case pumps deliver continuous high-volume capacity across primary shipboard fluid handling networks:
| • | Central Seawater Cooling Systems: Provides continuous, ultra-high-volume seawater supply to main engine heat exchangers and central coolers. |
| • | Ballast Water Transfer & De-ballasting: Enables rapid high-flow fluid relocation across ballast tanks for fast vessel loading and stability control. |
| • | On-Board Firefighting & Emergency Utilities: High-pressure, multi-stage configurations designed for standby deck fire protection and emergency bilge evacuation. |
| • | Offshore & General Marine Circulation: Ideal for floating production storage (FPSO), dockside water transfer, and vessel water supply management. |
Field Engineering Projects & Installation Showcase
FILIPUSI horizontal double suction split case pumps are widely deployed in major marine cooling installations, shipyard dock systems, and municipal high-flow pumping stations worldwide. Below are real-world project installations demonstrating our pumps' operational stability and robust construction:
Cross-Sectional Structure & Component Key
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Bearing Assembly | Guard | Packing Assembly | Pump Shaft | Pump Cover | Impeller | Wear Ring | Throat Bushing |
| 9 | 10 | 11 | 12 | 13 | 14 | 15 | - |
| Gland Water Pipe | Mechanical Seal | Bearing Housing | Coupling Guard | Bearing Spacer | Shaft Sleeve | Pump Casing | - |
Marine Pump Engineering FAQ
Q: How does FILIPUSI guarantee long service life against aggressive seawater corrosion?
A: We utilize specialized Bronze alloys (C95800 Nickel-Aluminum Bronze) and Duplex Stainless Steel (2205/2507) specifically cast for raw seawater exposure to eliminate galvanic pitting and velocity erosion.
Q: Can these horizontal double suction pumps be integrated with smart VFD controllers?
A: Yes. All our units are fully VFD/PLC-compatible, allowing automated speed adjustments to lower power consumption during low-demand cooling cycles and meet EEXI/CII energy efficiency standards.
Ready for a Professional Marine Pumping Proposal?
Contact FILIPUSI’s maritime engineering specialists today for complete hydraulic performance curves, dimensional drawings, and direct-factory quotes for your vessel project.
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| Product Number | Product model | Flow | Bar | Motor power | Voltage | Frequency(f) | Inlet diameter | Outlet diameter | Material | Mechanical seal sealing | Weight(kg) |
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