Pompa Air Laut Sentrifugal Seri CYH untuk Aplikasi Laut Korosif
The centrifugal sea water pump is a single-stage, single-suction, cantilevered centrifugal pump designed in accordance with ISO standards. This pump is specifically designed for the efficient handling of seawater, brackish water, saltwater, alkaline, and mildly corrosive liquids, as well as other fluids with physical and chemical properties similar to freshwater and free of solid particles.
Designed for long-term seawater operation with superior corrosion resistance and stable performance.
- Duplex / Super Duplex material options
- Anti-corrosion & anti-cavitation design
- 20+ years marine & desalination experience
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Rentang Laju Aliran: |
0,8 m³ / jam ~ 750 m³ / jam |
|---|---|
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Kepala Rentang: |
3m ~ 130m |
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Tenaga Motor: |
2.2 kw ~ 110 kw |
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Kecepatan: |
968-3450 r/menit |
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Kisaran Suhu Sedang: |
-20°C~165°C |
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Bahan yang Dapat Disesuaikan: |
Baja tahan karat (304, 316, 316L), Baja dupleks, dll. |
Why Standard Pumps Fail in Seawater Applications
Seawater is one of the most aggressive fluids for industrial pumps. High salinity, chloride ions, and dissolved solids can rapidly damage standard centrifugal pumps, leading to unexpected failures and increased maintenance costs.
If your system operates in marine or desalination environments, using a standard pump design can result in serious operational risks:
Common Problems in Seawater Pumping Systems
- Severe Corrosion from Chloride Ions
Chloride-rich seawater causes pitting and crevice corrosion, especially in low-grade stainless steel such as 304. This leads to rapid material degradation and leakage. - Short Service Life & Frequent Replacement
Standard pumps are not designed for continuous seawater exposure, resulting in premature wear of impellers, casings, and shafts. - Cavitation & Performance Instability
Improper hydraulic design in seawater conditions can cause cavitation, vibration, and reduced efficiency. - High Maintenance & Downtime Costs
Frequent seal failures and corrosion-related damage increase maintenance frequency and total cost of ownership.
How CYH Centrifugal Sea Water Pump Solves These Problems
The CYH series is specifically engineered to handle the challenges of seawater environments:
- Advanced Corrosion-Resistant Materials
Available in 316L, Duplex (2205), and Super Duplex (2507) to withstand chloride attack. - Optimized Hydraulic Design
Reduces cavitation risk and ensures stable, long-term operation. - Heavy-Duty Structure for Marine Conditions
Designed for continuous duty in desalination plants, offshore platforms, and seawater cooling systems. - Extended Service Life with Lower Maintenance
Minimizes downtime and reduces lifecycle costs.
The centrifugal seawater pump is available in 304, 316, 316L,2205, 2507 stainless steel, and super duplex stainless steel materials, suitable for conveying seawater, brine, and organic solvents of various concentrations. Typical applications include ballast and firefighting systems on ships, seawater aquaculture operations, seawater desalination plants, seawater pressurization and lifting systems, and various industrial processes requiring reliable seawater conveyance.
Not sure if your current pump can handle seawater conditions?
Send us your operating parameters (flow rate, head, medium composition), and our engineers will recommend the most suitable solution within 24 hours.
Email: [email protected]
Telepon: +86-13651913727
Aplikasi
Suitable for conveying medium with low flow rate, high flow rate, high head, low NPSH, high/low temperature, easy crystallization, easy solidification, flammable, explosive, easy vaporization, volatile, highly toxic, corrosive, precious, and clean particles.
Industri Kelautan
Ship ballast systems, marine firefighting, seawater cooling circulation
Aquaculture
Seawater supply for fish farms, water circulation in aquaculture tanks
Pabrik Desalinasi
Seawater intake, booster pumping for reverse osmosis systems
Pembangkit Listrik
Cooling water circulation using seawater as the heat exchange medium
Port & Offshore Facilities
Seawater lifting, firefighting, and wash-down systems
Municipal Waterworks
Coastal water transfer projects and seawater lifting stations
Oil & Gas Industry
Offshore seawater injection, cooling & firefighting applications.
Features of our Centrifugal Seawater Pump
Improved Hydraulic Efficiency
Advanced hydraulic design delivers higher efficiency compared to conventional pumps.
High Reliability & Corrosion Resistance
Excellent corrosion resistance and reliable mechanical seal help prevent leakage and extend service life.
Flexible Installation & Easy Maintenance
Horizontal structure fits various pipeline layouts, with simple maintenance and quick part replacement.
Strong Anti-Cavitation Performance
Effectively reduces cavitation damage to the pump body and impeller.
Prinsip Kerja
The centrifugal seawater pump operates by converting mechanical energy from a driver—such as an electric motor, engine, or turbine—into kinetic and pressure energy of the liquid. As the impeller, mounted on the pump shaft, rotates at high speed within the pump casing, seawater enters through the suction side and is accelerated outward along the impeller blades. The casing then guides the flow, transforming the liquid’s velocity into pressure before discharging it through the outlet. This design enables continuous, efficient transfer of large volumes of seawater under stable pressure.
Parts of Centrifugal Sea Water Pump
A centrifugal sea water pump is primarily composed of the impeller, pump casing, and drive unit.
- The impeller is fixed to the pump shaft inside the casing, and when it rotates at high speed, seawater is drawn in through the eye of the impeller and expelled rapidly from the blade tips.
- The casing channels the flow and converts the kinetic energy into pressure, while bearings within the housing support the pump shaft.
- The drive unit supplies the rotational power required, commonly via an electric motor, though engines or turbines can also be used.
- Impelle: Kami menggunakan baja tahan karat dupleks atau baja tahan karat 316L (bahan khusus tersedia). Impeler mengadopsi desain semi-terbuka untuk meningkatkan efisiensi saluran air laut. Profil hidrauliknya yang dioptimalkan mengurangi kavitasi dan memastikan pengoperasian yang stabil di lingkungan laut yang korosif.
- Casing Pompa: Casing pompa dibuat dari bahan baja tahan karat yang tahan korosi. Casing ini memberikan batas tekanan yang dapat diandalkan dan memastikan panduan aliran yang lancar di dalam pompa. Struktur yang diperkuat mempertahankan kinerja yang stabil selama operasi air laut jangka panjang.
- Poros: Poros terbuat dari baja tahan karat berkekuatan tinggi dengan perlakuan tahan korosi. Mesin ini dikerjakan secara presisi untuk memastikan keselarasan yang akurat dan transmisi torsi yang stabil, mengurangi getaran selama operasi berkelanjutan dalam aplikasi kelautan.
- Segel Mekanis: Kami menggunakan bahan segel mekanis silikon karbida atau tungsten karbida. Struktur segel dirancang untuk mencegah kebocoran air laut dalam kondisi salinitas dan tekanan tinggi, memastikan kinerja penyegelan yang andal dan masa pakai yang lebih lama.
- Perakitan Bantalan: Rakitan bantalan dirancang untuk operasi tugas berat yang berkelanjutan. Ini menggunakan komponen tahan korosi untuk mengurangi gesekan dan mempertahankan rotasi poros yang stabil, memastikan kinerja yang andal dalam siklus operasi yang panjang.
- Bingkai Dasar: Rangka dasar dibuat dari baja karbon yang diperkuat dengan lapisan anti-korosi. Hal ini memastikan pemasangan pompa dan motor yang stabil, mengurangi getaran selama pengoperasian, dan mendukung pemasangan yang fleksibel di lingkungan laut.
Baling-baling
Rumah Pompa
Bantalan
Poros Pompa
Metode Penyegelan
Braket dasar
Panduan Pemilihan Bahan
| Bahan | Ketahanan Korosi | Aplikasi |
|---|---|---|
| 304 | Rendah | Air garam segar / lemah |
| 316L | Sedang | Air laut ringan |
| 2205 Dupleks | Tinggi | Sistem air laut |
| 2507 Super Duplex | Ekstrim | Desalinasi / lepas pantai |
Specifications of our Centrifugal Seawater Pump
| Item | Spesifikasi |
|---|---|
| Jenis Pompa | Horizontal centrifugal sea water pump |
| Model | CYH Series |
| Kapasitas Aliran | 0,8 m³ / jam ~ 750 m³ / jam |
| Rentang Kepala | 3m ~ 130m |
| Kecepatan | 968-3450 r/menit |
| Inlet / Outlet Diameter | DN32 – DN300 |
| Tekanan Kerja | ≤ 1.6 MPa (higher pressure available on request) |
| Kisaran Suhu | -20°C~165°C |
| Liquid Type | Seawater, brine, mildly corrosive liquids |
| Efisiensi | Up to 82% (depending on model) |
| NPSH | Optimized for anti-cavitation performance |
| Jenis Segel | Mechanical seal (SiC / WC / optional cartridge seal) |
| Bearing Type | Heavy-duty rolling bearing system |
| Jenis Instalasi | Horizontal base-mounted |
| Metode Drive | Electric motor / diesel engine coupling |
| Bahan | Baja tahan karat (304, 316, 316L), Baja dupleks, dll. |
| Coating | Anti-corrosion marine-grade coating available |
| Kehidupan Pelayanan | Designed for long-term continuous operation |
Di bawah ini adalah berbagai model produk kami untuk referensi Anda. Jika Anda tidak yakin yang mana yang harus dipilih, silakan hubungi tim kami; kami akan dengan senang hati membantu Anda dalam waktu 24 jam.
Mengapa Memilih Changyu?
Sea Water Pump Manufacturer
Changyu is a leading centrifugal seawater pump manufacturer and supplier with 20 years of expertise in pump design, production, and R&D. We offer a wide range of industrial centrifugal pumps tailored to diverse operating conditions, including seawater pumps, acid pumps, alkali pumps, and magnetic drive pumps. We have over 25 patented technologies and rich OEM/ODM experience, providing reliability, efficiency, and long service life. Certified to ISO 9001, CE, and ATEX standards, our products meet stringent quality and safety requirements for global markets. Whether you need a standard model or a fully customized design, our professional team is ready to provide the optimal solution. Contact us today to discuss your project requirements and receive a tailored proposal.
Quick Selection Guide: Centrifugal vs Magnetic Seawater Pump
| Selection Criteria | Centrifugal Seawater Pump | Pompa Penggerak Magnetik |
|---|---|---|
| Kapasitas Aliran | High flow (0.8 – 750 m³/h) | Low to medium flow |
| Operating Pressure | Medium to high pressure | Low to medium pressure |
| Sealing Structure | Mechanical seal system | Seal-less magnetic coupling |
| Leakage Risk | Very low (with proper seal system) | Zero leakage design |
| Maintenance Requirement | Periodic seal & bearing maintenance | Low mechanical maintenance, but strict operating conditions |
| Cost Level | Lower initial and lifecycle cost | Higher initial investment |
| Aplikasi Terbaik | Desalination, seawater cooling, offshore systems, port facilities | Chemical transfer, small flow corrosive liquids |
| Operasi Berkelanjutan | Suitable for long-term continuous duty | Limited under heavy-duty conditions |
| Installation Flexibility | High (horizontal & system integration friendly) | Sedang |
Recommendation
For seawater applications requiring large flow, continuous operation, and cost efficiency, centrifugal seawater pumps are the preferred choice.
Magnetic drive pumps are recommended only for small flow, high sealing safety chemical transfer systems.
If you are unsure about further configuration options, please contact our team and we will provide you with personalised, professional guidance on selecting the right solution.
Email: [email protected]
Telepon: +86-13651913727
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