Content Navigation
Marine Insight: Air Cooled Air Compressor

Marine Industry Demand: Air Cooled Air Compressor
Air cooled air compressors represent a fundamental component in the operational safety architecture of modern commercial and offshore vessels. Their critical role extends far beyond simple utility; they are indispensable for maintaining essential pneumatic systems that directly impact vessel maneuverability, emergency response, and crew safety. Primary applications include supplying pressurized air for main engine starting systems, crucial for reliable propulsion initiation and restart after shutdowns, particularly in confined waters or adverse conditions. Furthermore, these compressors power critical steering gear mechanisms, enabling precise rudder control vital for collision avoidance and safe navigation. Emergency fire pump priming, deck machinery operation such as winches and cranes, and pneumatic tooling for vital maintenance tasks also rely heavily on consistent, clean compressed air delivery. A failure in the compressed air system during critical operations, such as maneuvering in port or responding to an emergency, can have severe consequences, including loss of propulsion, steering failure, or delayed fire response, directly compromising vessel and personnel safety. Consequently, maritime regulatory bodies like the International Maritime Organization (IMO) and classification societies (e.g., DNV, ABS, LR) mandate stringent reliability, redundancy, and performance standards for marine air compressors, emphasizing robust design, saltwater corrosion resistance, and operational stability across harsh marine environments.
Sourcing high-performance air cooled air compressors from Hangzhou Star Marine Technology offers international shipowners, shipyards, and marine equipment suppliers a significant strategic procurement advantage through demonstrable cost-effectiveness without compromising on safety or compliance. Star Marine leverages China’s advanced manufacturing ecosystem and our deep vertical integration to optimize production costs while rigorously adhering to international marine standards. Our engineering focus on value-driven design ensures components meet or exceed SOLAS and ISO 8525 requirements using high-grade, marine-specific materials like stainless steel and specialized coatings, eliminating costly premature failures and reducing total lifecycle costs. Crucially, our direct manufacturing model bypasses multiple distribution layers common with European or North American suppliers, translating into a highly competitive initial purchase price. This cost efficiency is further amplified by the inherent reliability and low maintenance demands of Star Marine compressors, minimizing vessel downtime and expensive dry-docking interventions. The following table outlines key performance and compliance parameters demonstrating our commitment to safety and value:
| Parameter | Star Marine Specification | Typical Industry Standard Requirement |
|---|---|---|
| Maximum Working Pressure | 30 bar (g) | 25-30 bar (g) |
| Ambient Temperature Range | Up to 45°C | 40-45°C |
| Cooling Method | Forced Air (Corrosion Resistant Fins) | Air Cooled (Basic) |
| Protection Rating (IP) | IP55 | IP54 / IP55 |
| Noise Level (LwA) | ≤ 72 dB(A) @ 1m | ≤ 75 dB(A) @ 1m |
| Compliance Standards | ISO 8525, SOLAS II-1/43, DNV-ST-N001, CCS | ISO 8525, Basic Class Society Rules |
| Typical Service Interval | 4000 hours | 2000-4000 hours |
The superior service interval and robust construction directly contribute to lower operational expenditure over the compressor’s lifespan. Star Marine’s dedicated export management and global logistics network ensure seamless delivery and technical support, mitigating supply chain risks. Choosing Star Marine means securing a safety-critical component engineered to the highest maritime specifications at a price point that delivers exceptional value, enhancing both vessel operational safety and the owner’s bottom line through reduced capital and operational expenditures. This combination of uncompromised safety performance and optimized lifecycle cost establishes Star Marine as a strategic partner for discerning marine industry stakeholders.
Technical Specs & Approval
The air cooled air compressor series manufactured by Hangzhou Star Marine Technology Co., Ltd. is engineered to meet the rigorous demands of marine environments, delivering reliable performance in critical onboard applications such as engine starting, pneumatic control systems, and deck machinery operation. Designed in compliance with international marine standards including ISO 9001, SOLAS, and classification society regulations (CCS, ABS, DNV, LR, etc.), these compressors are optimized for durability, efficiency, and minimal maintenance. The core technical advantage of this series lies in its high-pressure capability, precision cooling design, and robust construction using marine-grade materials resistant to saltwater corrosion and vibration.
A key performance parameter is the discharge pressure, which can reach up to 30 MPa, making these compressors suitable for high-pressure air storage systems commonly used in marine diesel engine starting circuits. This pressure level is achieved through a multi-stage compression process with intercooling between stages, ensuring thermal efficiency and prolonged component life. The volumetric flow rate ranges from 0.8 m³/min to 3.5 m³/min at Free Air Delivery (FAD) conditions, allowing scalability across vessel types—from中小型 auxiliary vessels to large commercial shipping units. Flow capacity is stabilized through precision-machined piston assemblies and balanced crankshaft dynamics, minimizing pulsation and ensuring smooth air delivery.
Cooling is managed via an air-cooled system, eliminating the need for complex seawater or freshwater heat exchangers. This design reduces maintenance requirements and avoids risks associated with cooling water leakage or fouling. High-efficiency aluminum finned coolers are integrated into both inter-stage and after-cooling circuits, dissipating heat effectively even in confined engine room environments. The air cooling system is augmented with thermally activated fans that modulate speed based on discharge temperature, improving energy efficiency and operational safety.
The compressor units are driven by TEFC (Totally Enclosed Fan Cooled) electric motors rated at IP55 or higher, ensuring protection against moisture, dust, and corrosive atmospheres. All models operate on standard marine electrical inputs: 380–440 VAC, 50/60 Hz, 3-phase. Vibration is controlled through resilient mounting systems and alignment-optimized coupling, contributing to low noise levels and extended service intervals. Additional standard features include automatic condensate drainage, high-temperature shutdown protection, and pressure regulation with safety relief valves.
Below is a summary of the technical parameters for the standard models in the air cooled marine air compressor series:
| Parameter | Value / Range |
|---|---|
| Discharge Pressure | Up to 30 MPa |
| Flow Rate (FAD) | 0.8 – 3.5 m³/min |
| Compression Stages | 3 or 4 stages |
| Cooling Method | Air-cooled (finned coolers + fan) |
| Motor Power | 15 – 75 kW |
| Operating Voltage | 380–440 VAC, 3-phase, 50/60 Hz |
| Insulation Class | F |
| Protection Rating (Motor) | IP55 |
| Ambient Temperature Range | -10°C to +45°C |
| Noise Level (at 1 meter) | ≤ 85 dB(A) |
| Compliance Standards | ISO 9001, SOLAS, CCS, ABS, DNV, LR |
These compressors are supplied as complete skid-mounted units, including control panels, pressure switches, and isolation valves, ready for integration into marine air systems. Hangzhou Star Marine Technology ensures each unit undergoes factory acceptance testing, including pressure endurance, leak tightness, and performance validation, prior to shipment.
Shipbuilding Solutions

Star Marine Air-Cooled Compressor Solutions for Shipbuilding and Repair
Hangzhou Star Marine Technology Co., Ltd. delivers engineered air-cooled marine air compressor systems tailored for new vessel construction and critical repair operations. Our integrated approach ensures seamless integration, regulatory compliance, and minimized downtime—addressing the urgent demands of shipyards and fleet operators globally. For new builds, our engineering team collaborates directly with naval architects during the design phase to customize compressor specifications, mounting configurations, and control interfaces. This proactive engagement guarantees optimal space utilization, vibration damping, and alignment with vessel power systems, eliminating retrofit costs and schedule delays. All units are manufactured to stringent SOLAS, ISO 8573-1 Class 1 air purity, and ISO 1217 test standard requirements, with full Type Approval from major classification societies including DNV, ABS, and Lloyd’s Register.
In repair and retrofit scenarios, Star Marine prioritizes rapid response without compromising quality. Our global logistics network enables 72-hour delivery of standard replacement units to major ports worldwide, while modular designs allow technicians to swap core components—such as valves or coolers—in under four hours. A dedicated 24/7 technical support hotline connects shipyard engineers directly with our marine-certified specialists for real-time troubleshooting, reducing vessel idle time by up to 40%. We further expedite repairs through pre-stocked regional hubs in Singapore, Rotterdam, and Houston, ensuring critical spares like pressure switches or safety valves are available within 24 hours.
Technical performance and reliability are non-negotiable in marine environments. Our air-cooled compressors feature corrosion-resistant marine-grade aluminum alloys, IP56-rated electrical enclosures, and thermal overload protection calibrated for ambient temperatures up to 55°C. The table below summarizes core specifications for our flagship SMAC-300 series, engineered for auxiliary and main engine starting air applications:
| Parameter | Specification | Compliance Standard |
|---|---|---|
| Pressure Range | 30–40 bar | ISO 1217 Annex E |
| Free Air Delivery | 30–120 m³/h | ISO 1217 Test A |
| Cooling Method | Forced-air with marine-grade fins | IMO MSC.337(91) |
| Air Purity | ISO 8573-1 Class 1 (0.01 µm particles) | SOLAS II-1/3-14 |
| Certifications | DNV-GL, LR, ABS, CCS, RINA Type Approval | MARPOL Annex VI |
Beyond hardware, Star Marine provides comprehensive lifecycle support. Our export documentation package includes full 3D CAD models for integration validation, multilingual operation manuals compliant with STCW, and on-site commissioning supervision. For emergency repairs, we deploy certified field service engineers within 96 hours to any global port, equipped with calibrated test instruments and OEM-exclusive diagnostic software. This end-to-end capability—from design collaboration to urgent field intervention—ensures shipyards maintain build schedules and operators restore vessel operability faster. Partner with Star Marine Technology for air compressor solutions where technical precision meets maritime urgency.
Packaging & Logistics

Packaging & Logistics for Marine Air Compressed Equipment
At Hangzhou Star Marine Technology Co., Ltd., we ensure that all air-cooled marine air compressors are packaged to meet international shipping standards, guaranteeing safe and secure delivery to global destinations. Our packaging protocols are engineered to protect sensitive mechanical components during long-distance maritime transport, accounting for humidity, vibration, stacking loads, and handling risks commonly encountered in containerized shipping.
All air-cooled air compressors are enclosed in custom-fabricated wooden export cases constructed from high-grade, kiln-dried plywood or solid wood. These wooden crates comply fully with the International Standards for Phytosanitary Measures No. 15 (ISPM 15), ensuring that all wooden packaging materials are heat-treated and officially stamped to prevent the spread of pests and plant diseases across borders. Each crate is internally lined with moisture-resistant polyethylene film and includes anti-vibration padding at critical contact points to minimize mechanical stress during transit. Units are securely fastened within the enclosure using integrated bracing and non-abrasive straps to prevent internal movement.
For enhanced structural integrity and ease of handling, compressors are mounted on heavy-duty steel pallets before being enclosed in wooden cases. These pallets are designed to support the full operational weight of the compressor units and are welded to exacting standards to ensure durability. Steel pallets provide compatibility with forklifts and automated handling systems at ports and warehouses, reducing the risk of damage during loading and unloading operations. Their robust design also allows for safe stacking in containers, optimizing container space utilization without compromising safety.
All packaging is designed to meet the requirements of containerized freight, including standard 20-foot and 40-foot dry containers, as well as open-top and flat-rack configurations for oversized units. We conduct internal drop, tilt, and compression tests on sample packages to validate structural performance before shipment release.
Export operations are coordinated through China’s two primary maritime hubs: Ningbo Port and Shanghai Port. Both ports offer world-class container handling infrastructure, direct global liner services, and efficient customs clearance procedures. Our logistics team works closely with certified freight forwarders to ensure timely booking, proper documentation, and real-time shipment tracking. All export documentation, including packing lists, bills of lading, and phytosanitary certificates, are prepared in accordance with destination country regulations.
The following table summarizes the standard packaging and logistics specifications for our marine air-cooled compressors:
| Parameter | Specification |
|---|---|
| Packaging Type | ISPM 15-compliant wooden case with internal bracing and moisture barrier |
| Base Support | Reinforced steel pallet, welded construction, anti-corrosion coating |
| Weight Capacity (Pallet) | Up to 3,000 kg, depending on model |
| Crate Dimensions | Custom, based on compressor model and accessories |
| Protection Features | Vibration damping, anti-rust paper, desiccant packs, sealed seams |
| Export Ports | Ningbo Port (Zhejiang) and Shanghai Port (Shanghai), China |
| Container Compatibility | 20’ and 40’ dry, open-top, and flat-rack containers |
| Handling Equipment Compatibility | Forklift entry, crane lifting points (if applicable) |
We remain committed to delivering marine equipment with packaging that meets both technical and regulatory demands, ensuring reliability from factory to final destination.
Contact Star Marine
Contact Star Marine for Precision Marine Air Compressor Solutions
Hangzhou Star Marine Technology Co. Ltd. stands at the forefront of marine air compressor engineering, delivering robust, saltwater-resistant air-cooled systems engineered for the uncompromising demands of maritime operations. Our air-cooled air compressors are not merely equipment; they are mission-critical components designed to ensure vessel safety, operational continuity, and regulatory compliance across global waters. With decades of specialized expertise in marine propulsion and auxiliary systems, we understand that compressor failure translates directly to costly downtime, safety hazards, and regulatory non-conformance. This is why proactive engagement with our technical team is essential for vessel operators, shipyards, and OEM partners seeking reliability above all else.
Our air-cooled compressors integrate advanced thermal management, corrosion-resistant alloys, and ABS/DNV-GL certified pressure systems to operate flawlessly in high-humidity, salt-laden environments. Unlike generic industrial compressors, Star Marine units undergo rigorous 500-hour salt mist testing and dynamic load validation per ISO 8528 and SOLAS Chapter II-1 standards. The table below highlights key differentiators that mitigate operational risk and lifecycle costs:
| Parameter | Star Marine Standard | Typical Marine Baseline |
|---|---|---|
| Salt Spray Resistance | 500+ hours (ISO 9227) | 240 hours |
| Ambient Operating Range | -25°C to +55°C | 0°C to +45°C |
| Pressure Stability | ±0.5 bar (full load cycle) | ±1.2 bar |
| Certification | ABS, DNV-GL, BV, CCS, RINA | Single-class compliance |
| Maintenance Interval | 4,000 hours | 2,500 hours |
These specifications are not theoretical benchmarks but proven performance metrics validated across 120+ vessel installations, from offshore support vessels to LNG carriers. When selecting a compressor partner, technical precision and responsive engineering support are non-negotiable. Generic suppliers cannot replicate our integrated design approach, which prioritizes seaworthiness over mere functionality.
For tailored solutions addressing your specific vessel requirements, commissioning timelines, or retrofit challenges, direct consultation with our Product Management team is imperative. Kacher YE, our dedicated Product Manager for Marine Air Systems, possesses 14 years of hands-on experience in compressor integration for naval and commercial fleets. Kacher leads technical evaluations, custom configuration design, and certification coordination to ensure seamless compliance with flag state and class society mandates. His team provides end-to-end support—from initial load analysis to post-installation performance validation—eliminating project delays and cost overruns.
Do not rely on generic supplier documentation or third-party distributors for critical marine air systems. Contact Kacher YE directly to receive:
A confidential technical dossier with vessel-specific performance simulations
Real-time lead time confirmation aligned with your dry-dock schedule
ABS-certified installation and maintenance protocols
Dedicated troubleshooting support during sea trials
Reach Kacher YE immediately at [email protected] with your vessel specifications, operational profile, and target commissioning date. Include your class society requirements and existing system challenges to expedite a precision-engineered proposal. For urgent vessel repair or replacement needs, reference your IMO number in the subject line for priority response within 4 business hours. Star Marine’s commitment extends beyond supply; we safeguard your operational integrity through engineering excellence and unwavering accountability. Your next voyage depends on systems that perform when failure is not an option—initiate the technical dialogue today.
⚓ Anchor Chain Weight Estimator
Estimate Stud Link Anchor Chain weight (Approx. 0.0219d²).
