Duplex 2205 Stainless Steel Centrifugal Pump Impeller,Duplex 2205 Pump Impeller, Corrosion-Resistant Centrifugal Impeller
OUR Main Products Includs :
Size:Customized as per drawing
Duplex 2205 Stainless Steel Centrifugal Pump Impeller
Duplex 2205 Pump Impeller
Corrosion-Resistant Centrifugal Impeller
API 610 Certified Impeller for H2S Service,
High-Efficiency Seawater Pump Impeller OEM
| Competitive Advantage Comparison |
| Indicators | SS-PumpImpeller-2205 | competing product(316Limpeller) |
| Chloride tolerance concentration | ≤100,000 ppm | ≤3,000 ppm |
| Sulfide Stress Corrosion Resistance | Pass NACE TM0177 | lose effectiveness(50ppm H2S环境) |
| Impeller efficiency (BEP point) | 92% | 85%-88% |
| Life cycle cost | $0.18/ton (5-year cycle) | $0.35/ton (2 years replacement) |
Advantages:
3X Longer Service Life in Harsh Chemical Environments
Engineered for Extreme Corrosion Resistance & High Efficiency
MOQ: 1 piece (support sample testing)
- Warranty: 36 months warranty against material defects
- Value-added services:
Free hydrodynamic simulation report
Failure analysis of old impellers (SEM+EDS inspection)
Customer Success Stories
Abu Dhabi National Oil Company (ADNOC)
Challenge: Offshore platform water injection pump impeller failed in 6 months in 25,000ppm chlorine ion media.
Solution: Custom plated 2205 impeller (320mm diameter, 8 blade backward curved design)
Result: 18 months of continuous corrosion-free operation, 9% increase in pump efficiency, $120,000 reduction in annual maintenance costs.
Application scenarios and customer pain point solution
1. Acid medium conveying
Typical scenarios: Sulfuric acid / hydrochloric acid circulation system, refinery acidic water treatment
Solution:
Duplex structure to resist intergranular corrosion, passed ASTM A923 Method A test.
Surface electrolytic polishing (Ra≤0.8μm) to reduce media adhesion.
2. Chloride-containing environment
Typical scenarios: seawater cooling system, chlor-alkali chemical equipment
Solution:
PREN value ≥35, critical crevice corrosion temperature >60℃ (ASTM G48 Method D)
Optional plating reinforcement (HVOF tungsten carbide coating, 4 times higher scour resistance)
3. High temperature and pressure working conditions
Typical scenarios: geothermal fluid transfer, high temperature petrochemical process pumps
Solutions:
Operating temperature range -50°C to 300°C
Finite element analysis (FEA) to optimise blade stress distribution, fatigue life>10^7 cycles
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Duplex 2205 Stainless Steel Centrifugal Pump Impeller Corrosion Resistant Images
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