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Marine Double Suction Pump

Marine Horizontal Double Suction Split Case Pumps

Horizontal Split Case Pump Features
 

High-Volume Seawater Solutions with 30 Years of Field Expertise

Reliable Fluid Handling for the Maritime Industry

In the demanding environment of modern shipbuilding and marine engineering, the reliability of fluid systems is non-negotiable. Our horizontal double suction split case pumps are specifically engineered to handle high-capacity requirements while resisting the aggressive nature of seawater.

Leveraging 20 years of practical field experience in water supply systems and retrofitting, FILIPUSI provides pumps that balance hydraulic excellence with operational durability.

Engineered for marine-grade reliability, FILIPUSI horizontal double suction split case pumps deliver exceptional flow rates for seawater cooling, ballast water management, and on-board fire protection. The horizontal split design allows for rapid internal inspection without disturbing piping, ensuring minimum downtime during vessel operations.

Technical Specifications for Marine Applications

Technical Parameter Marine-Grade Range
Flow Rate ( m³/h )
50 - 20,000 m³/h
Head ( M )
10 - 200 m
Material Selection
Bronze / Duplex Stainless Steel
Max Temperature
-20℃~120℃
Flange Dimensions
DN50 - DN1200
International Standards Compliance
ASTM / AISI

Why Choose the Horizontal Split-Case Configuration?

Rapid Maintenance access

The horizontal split design allows the upper casing to be removed without disturbing the suction or discharge piping. This is critical for shipboard repairs where dry-dock time is limited.

Maximized Structural Stability

The horizontal orientation provides a lower center of gravity compared to vertical models, significantly reducing vibration during high-sea operations and increasing the lifespan of bearings.

Built for Harsh Seawater EnvironmentsSeawater circulation flow in corrosion resistant marine double suction centrifugal pump

Our marine pumps utilize optimized material selections to combat seawater corrosion:

  • Bronze Impellers: Resistant to erosion-corrosion in high-velocity flows.
  • Duplex Stainless Steel: Offers superior strength and resistance to pitting in chloride-rich environments.
  • Mechanical Seals: Specialized seawater-resistant seals to prevent leakage in continuous industrial operations.

Core Marine Applications

These pumps are engineered for critical shipboard infrastructure:
● Seawater Cooling Systems
● Shipboard Ballast Operations
● Marine Circulation Systems 
● On-board Fire Protection & Emergency 
● Vessel Water Management 

Cross section structure diagram of marine horizontal split case pump showing impeller and mechanical seal components

1 2 3 4 5 6 7 8
Bearings components
Guard
Packing Seal Assembly 
Pump Shaft
Pump Cover
Impeller
Wear Ring
Impeller Throat Bushing
9 10 11 12 13 14 15
Gland Water Pipe Assembly
Mechanical Seal Assembly
Bearings components
Coupling Guard
Bearing Spacer
Shaft Sleeve 
Pump Casing


Marine Pump FAQ

Q: How does FILIPUSI handle corrosion in marine split case pumps??
A: We use Bronze and Duplex Stainless Steel materials specifically designed for seawater to ensure long-term mechanical reliability.
Q: Can these pumps be controlled via VFD?
A: Yes, they are fully VFD/PLC ready for precise flow control and energy savings, supporting global energy challenges.

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Ultimate Guide to Double Suction Pumps: Horizontal vs. Vertical Split Case Technology

High Flow Double Suction Centrifugal Pump

How to Select Corrosion-Resistant Double-Suction Split Pumps for Chemicals

Product Number Product model Flow Bar Motor power Voltage Frequency(f) Inlet diameter Outlet diameter Material Mechanical seal sealing Weight(kg)
CW6sh-9(150s50) CW6sh-9(150s50) 170(m³/h) 47.6(m) 37KW 380V 50HZ DN150 DN100 HT 60 647KG
CW6sh-6A(150s78) CW6sh-6A(150s78) 144(m³/h) 62(m) 45KW 380V 50HZ DN150 DN100 HT 60 706kg
CW6sh-6(150s78) CW6sh-6(150s78) 162(m³/h) 78(m) 55KW 380V 50HZ DN150 DN100 HT 60 823KG
CW6sh-9A(150s50) CW6sh-9A(150s50) 144(m³/h) 40(m) 30KW 380V 50HZ DN150 DN100 HT 60 626kg
CW8sh-6(200s95) CW8sh-6(200s95) 234(m³/h) 93.5(m) 110KW 380V 50HZ DN200 DN150 HT 65 1609KG
CW200-M6-258 CW200-M6-258 256(m³/h) 80(m) 90KW 380V 50HZ DN200 DN150 HT 60 991kg
CW8sh-13(200s42) CW8sh-13(200s42) 288(m³/h) 41.3(m) 45KW 380V 50HZ DN200 DN150 HT 60 752kg
CW8sh-9A(200s63) CW8sh-9A(200s63) 270(m³/h) 46(m) 55KW 380V 50HZ DN200 DN150 HT 60 868KG
CW8sh-9(200s63) CW8sh-9(200s63) 288(m³/h) 62.5(m) 75KW 380V 50HZ DN200 DN150 HT 60 902KG
CW8sh-10A(200s42) CW8sh-10A(200s42) 270(m³/h) 36(m) 37KW 380V 50HZ DN200 DN150 HT 60 674KG
CW8sh-6(200s95) CW8sh-6(200s95) 234(m³/h) 93.5(m) 110KW 380V 50HZ DN200 DN150 HT 65 1609KG
CW8sh-6A(200s95) CW8sh-6A(200s95) 215(m³/h) 75.6(m) 90KW 380V 50HZ DN200 DN150 HT 60 991KG
CW10sh-9(250s39) CW10sh-9(250s39) 486(m³/h) 38.5(m) 75KW 380V 50HZ DN250 DN200 HT 65 1192KG
CW10sh-6A(250s65A) CW10sh-6A(250s65A) 468(m³/h) 54(m) 110KW 380V 50HZ DN250 DN200 HT 80 2160KG
CW10sh-6(250s65) CW10sh-6(250s65) 486(m³/h) 65.1(m) 132KW 380V 50HZ DN250 DN200 HT 80 2166KG
CW10sh-13A(250s24) CW10sh-13A(250s24) 414(m³/h) 20.3(m) 37KW 380V 50HZ DN250 DN200 HT 65 976KG
CW10sh-13(250s24) CW10sh-13(250s24) 486(m³/h) 23.5(m) 45KW 380V 50HZ DN250 DN200 HT 65 1006KG
CW10sh-9A(250s39A) CW10sh-9A(250s39A) 468(m³/h) 30.5(m) 55KW 380V 50HZ DN250 DN200 HT 65 1130KG
CW12sh-6A(300s90) CW12sh-6A(300s90) 755(m3/h) 78(m) 280KW 380V 50HZ DN300 DN250 HT 90 3329KG
CW12sh-6(300s90) CW12sh-6(300s90) 792(m3/h) 90(m) 315KW 380V 50HZ DN300 DN250 HT 90 3468KG
CW12sh-9B(300s58) CW12sh-9B(300s58) 684(m³/h) 43(m) 132KW 380V 50HZ DN300 DN250 HT 80 2184KG
CW12sh-9A(300s58) CW12sh-9A(300s58) 720(m3/h) 49(m) 160KW 380V 50HZ DN300 DN250 HT 80 1192kg
CW12sh-9(300s58) CW12sh-9(300s58) 792(m3/h) 58(m) 185KW 380V 50HZ DN300 DN250 HT 80 2278kg
CW12sh-13A(300s32) CW12sh-13A(300s32) 720(m3/h) 26(m) 75KW 380V 50HZ DN300 DN250 HT 60 1104kg
CW12sh-13(300s32) CW12sh-13(300s32) 792(m3/h) 32.2(m) 90KW 380V 50HZ DN300 DN250 HT 80 1108kg
CW12sh-19(300s19) CW12sh-19(300s19) 792(m3/h) 19.4(m) 55KW 380V 50HZ DN300 DN250 HT 65 506kg
CW12sh-28(300s12) CW12sh-28(300s12) 720(m3/h) 12(m) 37KW 380V 50HZ DN300 DN250 HT 65 476kg
CW12sh-6B(300s90B) CW12sh-6B(300s90B) 720(m3/h) 67(m) 250KW 380V 50HZ DN300 DN250 HT 90 1947kg
CW14sh-9(350s75) CW14sh-9(350s75) 1260(m³/h) 75(m) 400KW 380V 50HZ DN350 DN300 HT 110 2900kg
CW14sh-6A(350s125) CW14sh-6A(350s125) 1180(m³/h) 112(m) 630KW 380V 50HZ DN350 DN300 HT 110 3460kg
CW14sh-6(350s125) CW14sh-6(350s125) 1250(m³/h) 125(m) 680KW 380V 50HZ DN350 DN300 HT 110 4550kg
CW14sh-9A(350s75) CW14sh-9A(350s75) 1170(m³/h) 65(m) 300KW 380V 50HZ DN350 DN300 HT 110 2084kg
CW14sh-19(350s26) CW14sh-19(350s26) 1260(m³/h) 26(m) 132KW 380V 50HZ DN350 DN300 HT 90 1192kg
CW14sh-13A(350s44) CW14sh-13A(350s44) 1120(m³/h) 36(m) 185KW 380V 50HZ DN350 DN300 HT 90 3133kg
CW14sh-13(350s44) CW14sh-13(350s44) 1260(m³/h) 43.8(m) 220KW 380V 50HZ DN350 DN300 HT 100 3333kg
CW14sh-19A(350s26) CW14sh-19A(350s26) 1120(m³/h) 21.5(m) 110KW 380V 50HZ DN350 DN300 HT 90 2372kg
CW14sh-28(350s16) CW14sh-28(350s16) 1260(m³/h) 16.2(m) 75KW 380V 50HZ DN350 DN300 HT 65 1702kg
CW14sh-28A(350s16) CW14sh-28A(350s16) 1044(m³/h) 12.4(m) 55KW 380V 50HZ DN350 DN300 HT 65 1573kg
CW14sh-9C(350s75) CW14sh-9C(350s75) 1080(m³/h) 55(m) 250KW 380V 50HZ DN350 DN300 HT 110 3487kg
CW20sh-6A(500s98) CW20sh-6A(500s98) 1870(m³/h) 85(m) 630KW 380V 50HZ DN500 DN450 HT 110 8569kg
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