Marine Air Compressor
Welcome to our comprehensive range of marine air compressors, engineered to deliver reliable starting air, control air, and service air for all types of vessels. As a leading manufacturer in the maritime industry, we specialize in a diverse portfolio of compressed air systems, including screw air compressors, oilless air compressors, piston air compressors, and centrifugal air compressors. Each unit is precision-engineered to withstand the demanding conditions of the marine environment, ensuring your ship’s pneumatic systems operate with maximum efficiency.
Our compressors are distinguished by their robust performance characteristics: low heat dissipation, low energy consumption, minimal breakdown rates, and excellent abrasion resistance. These features translate to reduced operational costs and extended equipment lifespan. All our products carry the prestigious CE certification and TUV certification, guaranteeing compliance with stringent international safety and quality standards.
Whether you need a high-pressure starting air compressor for your main engine or a low-pressure piston unit for general shipboard use, we offer a competitive and reasonable price without compromising on quality. Contact our sales team today for a quote tailored to your vessel’s specific requirements.
Key Features of Our Marine Piston Compressors
Our reciprocating air compressors are built with precision and durability in mind. Here are the standout features that make them the preferred choice for marine engineers:
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Integrated Starting System: Equipped with a complete electrical circuit controlled by a star-delta starter connected to a timer, ensuring smooth, ready-to-start operation and reduced inrush current.
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Rugged Construction: Housed within a durable steel framework, featuring a fan-belt protector for safety and finished with a corrosion-resistant RAL 602 (green) powder coat paint suitable for marine atmospheres.
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Advanced Piston Design: All pistons are fitted with high-quality piston rings for optimal compression and sealing, ensuring maximum volumetric efficiency.
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Efficient Valve System: Incorporates three coaxial inlet and outlet valves for reliable air intake and discharge.
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Forced Lubrication: Includes a low-pressure oil pump and oil filter to ensure all moving parts are adequately lubricated, reducing wear and tear.
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Multi-Stage Safety: An inter-stage oil-water separator and safety valve are strategically placed between compression stages to remove condensate and protect against overpressure.
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Breathable Air Quality: The purification system ensures that breathing air, when required, complies with the strict purity standards of EN12021.
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System Integrity: Features a pressure maintenance valve and a check valve to maintain system pressure and prevent backflow.
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Complete Delivery: Supplied with a full set of air tubes and an air charging valve. (Note: High-pressure air outlet configurations are available as an option).
Optional Upgrades & Customization
We understand that every vessel has unique requirements. We offer a range of customizable options for our marine air compressor systems:
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Extended Air Tube: Additional tubing for remote installations.
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Auto-Stop Function: Automatic shut-off upon reaching terminal pressure.
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Auto-Condensate Drain: Automatic draining of condensate for maintenance-free operation.
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Pressure Switching: 200-300 bar exchange device for high-pressure applications.
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Motor Protection: Integrated switch for protecting the motor from overload.
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Global Voltage Options: Special voltage/frequency configurations available, including 400V/60Hz, 230V/50Hz, and 230V/60Hz.
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Oil Pressure Monitoring: An advanced monitor system that automatically shuts off the compressor in the event of oil pressure loss (low oil level protection).
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Instrumentation Package: Includes an oil pressure gauge and inter-stage pressure gauges for detailed performance monitoring.
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Filter Monitoring System: Alerts the crew when air filters require servicing or replacement.
Main Specifications: High-Pressure Marine Air Compressors
Below are the technical specifications for our popular piston-type marine compressor models. These compact, air-cooled units are ideal for starting air and auxiliary systems.
| Model No. | Type | Speed (r/min) | Motor Power (kW) | Discharge Capacity (m³/h) | Cooling Method | Discharge Pressure (kgf/cm²) | Overall Size L×W×H (mm) | Weight (kg) |
|---|---|---|---|---|---|---|---|---|
| KY21-003 | V-0.7/30A | 1000 | 11 | 42 | Air | 30 | 1230×630×780 | 380 |
| KY21-004 | V-0.7/30A | 1000 | 11 | 42 | Air | 30 | 1230×630×780 | 380 |
| KY21-005 | V-0.7/30A | 1000 | 11 | 42 | Air | 30 | 1230×630×780 | 380 |
| KY21-008 | V-0.6/25-A | 970 | 11 | 36 | Air | 25 | 1060×750×800 | 325 |
| KY21-009 | V-0.6/30 | 970 | 11 | 36 | Air | 30 | 1060×750×800 | 325 |
| KY21-010 | V-0.6/30 | 970 | 11 | 36 | Air | 30 | 1060×750×800 | 325 |
| KY21-011 | V-0.6/30A | 900 | 11 | 36 | Air | 30 | 1230×700×780 | 380 |
| KY21-012 | V-0.6/30A | 900 | 11 | 36 | Air | 30 | 1230×700×780 | 380 |
| KY21-013 | V-0.45/30A | 750 | 7.5 | 27 | Air | 30 | 1180×700×890 | 380 |
| KY21-014 | V-0.45/30A | 750 | 7.5 | 27 | Air | 30 | 1180×700×890 | 380 |
| KY21-015 | V-0.5/30A | 800 | 7.5 | 30 | Air | 30 | 1180×700×780 | 380 |
| KY21-016 | V-0.5/30A | 800 | 7.5 | 30 | Air | 30 | 1180×700×780 | 380 |
| KY23-002 | V-0.5/40 | 860 | 11 | 30 | Air | 40 | 1230×630×780 | 420 |
| KY23-003 | V-0.5/40 | 860 | 11 | 30 | Air | 40 | 1230×630×890 | 420 |
| KY23-004 | V-0.5/40 | 860 | 11 | 30 | Air | 40 | 1230×630×780 | 420 |
Frequently Asked Questions (FAQ)
1. What is the difference between a marine piston air compressor and a screw air compressor for ships?
Piston (reciprocating) compressors are ideal for high-pressure, low-flow applications like starting main engines (typically 30 bar / 3000 kPa). They are robust and efficient for intermittent use. Screw compressors are better suited for continuous, low-to-medium pressure duties (around 7-10 bar) for service and control air, offering smoother, quieter operation with less vibration. Your choice depends on whether you need high-pressure starting air or general ship service air.
2. How do I choose the right size air compressor for my vessel?
Selection depends on the starting air requirements of your main engine and auxiliary engines, as well as the volume of your air receivers. You need to consider the required discharge pressure (kgf/cm² or bar) and the discharge capacity (m³/h) . For main engine starting, you typically need a high-pressure compressor (30 bar). For smaller vessels or auxiliary systems, a 25 bar unit might suffice. Refer to our specification table and consult with our engineers to match the compressor output to your receiver tank volume and engine start-up needs.
3. Why is CE and TUV certification important for marine air compressors?
CE certification indicates that the product meets EU safety, health, and environmental protection standards, allowing it to be sold within the European Economic Area. TUV certification is a globally recognized mark of safety and quality, provided by an independent testing organization. These certifications guarantee that the compressor has undergone rigorous testing and complies with international standards, which is often a mandatory requirement for marine equipment classification and insurance.
4. What maintenance is required for a marine reciprocating air compressor?
Regular maintenance is crucial for reliability and safety. Key tasks include:
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Daily: Check oil levels and drain condensate from the inter-stage and final oil-water separators.
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Weekly: Inspect belts for tension and wear; check safety valves.
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Monthly: Clean or replace air intake filters.
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Quarterly/Annually: Change compressor oil, inspect and clean valves, and test the auto-stop and safety shut-off functions. Following these steps ensures low break down rates and long service life.
5. Can you provide a compressor with specific voltage requirements, like 440V/60Hz?
Yes. We offer a variety of global power compatibility options. In addition to our standard configurations, we can supply units with special voltage/frequency settings such as 400V/60Hz, 230V/50Hz, and 230V/60Hz. Please specify your exact electrical requirements when requesting a quote to ensure we provide a compressor ready for immediate installation on your vessel.
Attention please: The description was copied from different cooperating manufacturers. The description may be different with the goods, please check with us when order.
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