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Marine air compressor impellers are precision centrifugal components designed for high-speed marine turbo compressors and turbocharging systems. These components convert mechanical energy into kinetic energy and subsequent pressure, accelerating intake air to support compression processes on board.
The primary function of these impellers is to accelerate intake air to high velocities, supporting efficient compression for vessel starting air and service air systems. The blade profile is shaped to direct airflow through the compressor stage, matching the flow requirements of marine centrifugal compressor designs. The components fit into the rotating assembly of turbo compressors, transferring rotational force to the air stream.
The impellers are compatible with multiple mainstream marine air compressor brands. Full model coverage is listed in the table below:
In addition to air compressor impellers, the supplier provides a full range of spare parts for marine main engines, auxiliary engines, oil purifiers, air compressors and turbochargers. Both original equipment parts and OEM replacement parts are available for commercial procurement needs.
Marine compressor impellers are manufactured from aerospace-grade aluminum alloy or high-strength stainless steel, produced via an integral forging process. This forming method creates a uniform internal structure, supporting high rotational speeds and continuous load conditions. Under rated operating parameters, the impellers support over 10,000 hours of continuous high-load operation. The material selection results in low moment of inertia, supporting rapid acceleration and stable rotation during compressor load changes.
All impellers undergo 5-axis CNC finish machining to form three-dimensional blade geometries. Blade profile and surface roughness are controlled to reduce aerodynamic losses and turbulence during operation. This machining process supports designed airflow delivery and pressure ratios, helping to maintain compressor efficiency across variable load conditions. The aerodynamic blade design helps reduce energy consumption during compression cycles.
Each batch of impellers receives surface treatment, including hard anodizing or anti-corrosion coating, to improve resistance to salt fog erosion and particulate scouring. These treatments address the corrosive conditions of maritime operating environments, reducing surface degradation over service life.
Every impeller undergoes a specialized high-speed dynamic balancing process, meeting G2.5 or higher balancing standards per ISO 1940 specifications. This process reduces rotational imbalance, lowering mechanical vibration and noise during operation. At operating speeds of tens of thousands of RPM, the balanced design supports rotational stability, reducing premature wear on adjacent bearings and seals.
All impellers go through ultrasonic flaw detection and overspeed spin testing before delivery. Based on 12-month production statistics, the batch qualification rate stabilizes at 99.7%. Each unit receives 100% testing prior to shipment, to verify structural integrity and performance under elevated speed conditions.
The impellers are supplied with official CCS Type Approval Certificates, meeting international maritime safety and industry standards. This certification allows for direct installation on classed vessels, supporting compliance with classification society requirements for maritime auxiliary machinery.
On large vessels, centrifugal impellers support the generation of high-volume air for engine starting and control systems. During frequent maneuvering or rapid air receiver recharging, the impeller design supports quick pressure build-up in the compressor system. This application supports operational readiness for container ships and offshore platforms across all weather conditions.
Beyond engine starting, the impellers support compressors that supply air for pneumatic control, instrumentation and general maintenance tasks. The components deliver consistent flow for continuous-duty service compressors on bulk carriers and tankers, supporting automated deck operations and auxiliary air network integrity.
YANMAR | SC5N,SC7N,SC10N,SC12.5N,SC15N,SC20N,SC30N,SC40N,SC50N,SC60N,C220 |
SPERRE | HV1/85,HV1/120,HV1/140,HV1/156,HV2/200,HV2/210,HV2/220,HV2/240,HV2/270,HL2/77,HL2/90,HL2/105, HL2/120,HL2/140,HL2/160 |
TANABE | H64,H65,H74,H264,H274,H374,HC65A,HC264A,HC265A,HC275A,HC277A,VLH-53P,VLH-43P,LHC-33 |
MASUBARA | MH108,MH111,MH114,MH120(A),MH130(A),MS64A,MS70,MS75(A),MS85(A),MS92(A) |
SAUER | WP15L,WP22L,WP33L,WP45L,ETC |
These impellers fit centrifugal and turbo-type marine air compressors from five mainstream brands, with full model coverage as listed in the compatibility table. Custom impellers can also be produced based on provided samples or technical drawings.
Each order of standard impellers includes official CCS Type Approval documentation. Factory test reports and dimensional inspection data can also be provided upon request for vessel maintenance and audit purposes.
For in-stock standard models, delivery typically takes 7 to 10 days after advance payment. Lead time for custom impellers varies based on order quantity and technical requirements. EXW, FOB, CFR, CIF and DDU delivery terms are all available.
Yes, custom manufacturing is available based on customer-provided samples or technical drawings. Molds and fixtures can be developed for custom specifications, to support non-standard compressor models or specialized vessel requirements.
