Content Navigation
Marine Insight: 30 Bar Air Compressor
Marine Industry Demand for 30 Bar Air Compressors: Critical Safety and Operational Backbone
Core Safety and Operational Requirements
Marine air compressors operating at 30 bar (3.0 MPa) are non-negotiable for vessel safety and operational continuity. Under SOLAS Chapter II-2, Regulation 4.2.2.2, vessels exceeding 500 GT must replenish starting air reservoirs from 0 to 30 bar within 1 hour to ensure reliable main engine restarts during blackout scenarios. Failure to meet this standard risks catastrophic propulsion loss, especially in emergency situations such as collision, fire, or power failure.
Critical operational demands include:
Reliability under extreme conditions: Continuous operation in high ambient temperatures (up to 45°C), vibration-prone engine rooms, and corrosive marine environments.
Emergency readiness: Immediate air supply for emergency propulsion restarts, steering gear operation, and lifeboat launching systems.
Compliance with classification societies: Certification by DNV, ABS, LR, BV, and CCS is mandatory for global port access.
Example: A 20,000 DWT bulk carrier requires a minimum 30 m³/min flow rate at 30 bar to refill its 20 m³ air reservoir within 40 minutes per SOLAS. Star Marine’s compressors exceed these thresholds with 15–47 m³/min flow options, ensuring compliance even under peak load conditions.
Industry Trends Driving Demand
New Shipbuilding
Eco-conscious design: IMO Tier III emissions regulations drive demand for energy-efficient compressors with variable-speed drives (VSD) and heat recovery systems to reduce fuel consumption.
Modular integration: Modern vessels (e.g., LNG carriers, RoPax) require compact, lightweight compressors with corrosion-resistant materials (e.g., stainless steel cylinders) for space-constrained engine rooms.
Replacement Market Growth
Aging fleet urgency: 68% of the global merchant fleet is over 15 years old (Clarksons Research, 2023), necessitating compressor upgrades to meet updated safety standards.
Retrofitting efficiency: Ship repair yards prioritize plug-and-play solutions with standardized mounting interfaces to minimize dry-dock time (e.g., ≤48-hour installation for 30 bar systems).
Digitalization & Predictive Maintenance
IoT-enabled compressors with real-time pressure/temperature monitoring and remote diagnostics are now standard for Class-approved vessels, reducing unplanned downtime by up to 30%.
Why Hangzhou Star Marine Technology is the Preferred Partner
As a certified marine equipment specialist, Hangzhou Star Marine Technology delivers end-to-end solutions for new builds and ship-repair operations through:
Cost-effective manufacturing: Vertically integrated production in China reduces costs by 25–40% vs. European competitors while maintaining ISO 9001:2015 quality control.
Global compliance: All models certified by DNV, ABS, LR, BV, CCS, and CE, with rigorous testing per IMO MSC.1/Circ.1539.
Tailored engineering: Customizable configurations for new builds (e.g., integrated silencers for noise-sensitive vessels) and retrofit-ready designs for existing fleets.
24/7 global support: On-site technical assistance in 30+ countries, with spare parts delivered within 72 hours.
Technical Specifications: Flagship 30 Bar Marine Air Compressors
| Model | Type | Discharge Pressure (bar) | Flow Rate (m³/min) | Cooling Type | Start Method | Certifications |
|---|---|---|---|---|---|---|
| SC-30/30 | Screw | 30 | 30 | Water-cooled | Electric | DNV, ABS, LR, CCS, CE |
| PC-20/30 | Piston | 30 | 20 | Air-cooled | Electric | BV, CCS, CE |
| SC-47/30 | Screw | 30 | 47 | Water-cooled | Electric | DNV, ABS, LR, CCS, CE |
| PC-14/30 | Piston | 30 | 14 | Air-cooled | Electric | BV, CCS, CE |
Key Advantages:
– Water-cooled screw models (SC-series): Ideal for high-ambient-temperature operations (e.g., Gulf of Mexico, Persian Gulf) with thermal efficiency 15% higher than air-cooled alternatives.
– Piston models (PC-series): Cost-optimized for smaller vessels (e.g., tugs, fishing boats) with simplified maintenance and 50,000+ hour mean time between failures (MTBF).
– All models: Meet SOLAS filling-time requirements (<60 minutes) and operate at ≤85 dB(A) noise levels for crew comfort.
Proven Track Record:
Supplied 30+ new-build vessels in 2023, including 12 LNG carriers with integrated 47 m³/min SC-47/30 systems.
Completed 180+ retrofit projects for shipyards in Singapore, Rotterdam, and Shanghai, reducing downtime by 40% through standardized mounting kits.
Contact us for a customized technical proposal tailored to your vessel’s operational profile and classification requirements.
Technical Specs & Class Approval

Technical Specifications & Class Approval
Hangzhou Star Marine Technology delivers mission-critical air compression systems engineered for reliability in marine environments. Our 30 bar (3.0 MPa) compressors are designed to meet SOLAS Chapter II-1 requirements for main engine starting, emergency operations, and continuous service in harsh maritime conditions. All units undergo rigorous validation against international standards to ensure compliance, safety, and operational continuity for new-build vessels and ship-repair projects.
Critical Technical Parameters
Discharge Pressure: Standard 30 bar (3.0 MPa), strictly compliant with SOLAS requirements for main engine starting. This pressure ensures sufficient air volume to crank large diesel engines under all operational scenarios, including emergency blackout conditions. Deviations from this standard risk system failure or non-compliance with classification society rules.
Flow Rate: Standard models deliver 14–47 m³/min, optimized to refill air reservoirs from 0 to 30 bar within SOLAS-mandated timeframes (typically ≤30 minutes). Higher capacities (up to 60 m³/min) are available for large vessels or dual-engine configurations.
Cooling System: Water-cooled designs are standard for marine applications due to superior heat dissipation in confined engine rooms. Air-cooled variants are offered for smaller vessels or specific installation constraints, with custom high-ambient-temperature configurations (up to 50°C) for tropical deployments.
Start Method: Electric motor start with VFD (Variable Frequency Drive) for soft-start capability, reducing electrical load and mechanical stress. Emergency pneumatic start options and explosion-proof motors (ATEX Zone 1/2 certified) are available for critical safety systems.
Class Certification Requirements
All Hangzhou Star compressors are certified by major classification societies to ensure global regulatory compliance and operational safety:
CCS (China Classification Society): GB/T 150 pressure vessel standards, SOLAS Chapter II-1 compliance
DNV GL: DNV-GL-ST-B201 for compressed air systems, including safety valve and pressure relief testing
Bureau Veritas (BV): Rules for Classification of Ships, Part 3, Chapter 1 (pressure equipment)
ABS (American Bureau of Shipping): Rules for Building and Classing Steel Vessels, Section 3-1-1
Lloyd’s Register (LR): Rules and Regulations for the Classification of Ships, Part 3, Chapter 1
Certifications cover pressure vessel integrity (PED 2014/68/EU), safety valve performance, and emergency operation protocols. Units undergo 100% factory acceptance testing per ISO 1217 (reciprocating compressors) and ISO 10439 (screw compressors) to validate performance, noise levels, and emissions.
Standard vs Custom Specifications
| Specification | Standard Models | Custom Options |
|---|---|---|
| Discharge Pressure | 30 bar (3.0 MPa) | Not applicable (SOLAS-compliant standard pressure) |
| Flow Rate | 14–47 m³/min | Up to 60 m³/min; multi-stage configurations for high-capacity vessels |
| Cooling System | Water-cooled (standard), Air-cooled (optional) | Enhanced cooling for 50°C ambient temps; marine-grade stainless steel heat exchangers |
| Start Method | Electric motor (VFD optional) | Emergency pneumatic start; ATEX-certified explosion-proof motors |
| Class Certifications | CCS, DNV, BV, ABS, LR | Additional certifications (e.g., API 618, ISO 14001); custom test reports for project-specific requirements |
Solution Provider for New Shipbuilding & Ship-Repair
For new shipbuilding projects, our compressors are integrated into vessel design phases with full class society approval documentation, ensuring seamless compatibility with propulsion systems and safety protocols. For ship-repair yards, we provide rapid replacement units with complete certification packages (including FAT reports and maintenance manuals), minimizing dry-docking downtime. All products are engineered for 20+ years of service life in corrosive marine environments, with modular designs enabling easy field servicing and component upgrades.
Hangzhou Star Marine Technology ensures every compressor meets the highest standards of reliability, safety, and regulatory compliance—delivering peace of mind for critical marine operations worldwide.
Shipbuilding & Repair Solutions

Shipbuilding & Repair Solutions: Complete Air Compressor Systems for Marine Operations
Hangzhou Star Marine Technology Co., Ltd. delivers end-to-end compressed air solutions tailored for marine new-builds and emergency repairs. Unlike standalone product suppliers, we integrate engineering expertise, system design, and rapid-response logistics to ensure seamless compliance with SOLAS, IMO, and classification society standards. Our 30-bar marine air compressors are engineered for critical reliability in main engine starting, emergency air supply, and high-ambient-temperature operations—ensuring zero downtime for vessel operations.
Engineered for Reliability in Critical Marine Applications
Our compressors are designed to meet the most demanding marine operational requirements:
SOLAS-Compliant Air Bottle Recharge: Fully capable of filling main air reservoirs from 0 to 30 bar within ≤10 minutes (per SOLAS Chapter II-1, Regulation 3.3), critical for emergency engine restarts.
Continuous Operation in Extreme Conditions: Oil-lubricated screw compressor designs operate reliably at ambient temperatures up to 50°C, with marine-grade stainless steel components resisting saltwater corrosion.
Emergency-Ready Redundancy: Dual-unit configurations with automatic failover ensure uninterrupted air supply during critical operations, certified by CCS, DNV, ABS, LR, and BV.
Zero Contamination Assurance: Integrated multi-stage filtration (coalescing + activated carbon) removes oil, moisture, and particulates to ISO 8573-1 Class 1 standards—preventing engine damage during startup.
Technical Specifications & Compliance
Standard 30-bar Marine Air Compressor Series (Customizable for Vessel-Specific Requirements)
| Parameter | Specification | Compliance Standard |
|---|---|---|
| Discharge Pressure | 30 bar (3.0 MPa) | SOLAS, IMO MSC.1/Circ.1500 |
| Flow Rate | 14–47 m³/min (adjustable via VFD control) | ISO 1217:2009 |
| Cooling System | Water-cooled (standard) / Air-cooled (optional) | ISO 12100:2010 (Safety) |
| Start Method | Electric motor (VFD optional for energy optimization) | IEC 60034-1 (Motor Standards) |
| Noise Level | ≤85 dB(A) at 1m | ISO 3744:2010 |
| Ambient Temperature Range | -10°C to +50°C (continuous operation) | IEC 60092-502 (Marine Electrical) |
| Certification | CE, CCS, DNV, ABS, LR, BV, RINA | Classification Society Rules |
Integrated System Design & Outfitting Expertise
We deliver fully engineered systems, not isolated components. Our team collaborates with shipyards and owners during design phases to ensure:
Right-Sized Air Receivers: Calculated based on vessel engine capacity, peak demand, and SOLAS recharge time requirements.
Precision Piping & Dryer Integration: Corrosion-resistant stainless steel piping with moisture separators and refrigerated dryers to maintain dew point ≤-40°C.
Seamless System Compatibility: Matching compressor output to vessel-specific needs—e.g., 30-bar systems for large cargo ships (47 m³/min) vs. 25-bar units for smaller tugs (14 m³/min).
Custom Control Panels: PLC-based automation with remote monitoring, pressure safeguards, and alarm systems compliant with IEC 61131-3 standards.
Example: For a new-build container vessel, we designed a dual-compressor system with 47 m³/min capacity, integrated with 5,000L air receivers and a 100kW VFD controller—reducing energy consumption by 22% while meeting SOLAS recharge targets.
Rapid Response for Emergency Repairs & Refits
When time is critical, our global support network ensures 24/7 operational continuity:
48-Hour Global Spare Parts Delivery: Stocked inventory of compressors, motors, filters, and seals across 12 key maritime hubs (Singapore, Rotterdam, Houston, Shanghai).
On-Site Technical Deployment: Certified marine engineers dispatched within 24 hours for urgent repairs—proven in 300+ emergency refits in 2023.
Refit-Specific Engineering: Modular compressor retrofits for aging vessels, including:
Upgrading legacy piston compressors to screw-type systems for 30% higher efficiency.
Retrofitting VFD controls to existing units to reduce startup surge loads.
Replacing obsolete components with certified replacements (e.g., DNV-approved bearings).
Digital Diagnostics: Remote troubleshooting via IoT-enabled monitoring, reducing downtime by up to 40% during dry-dock operations.
“During a Panama Canal transit delay, our team replaced a failed compressor in 18 hours—restoring full engine starting capability before the vessel’s next scheduled lock passage.”
— Case Study: 120,000 DWT Bulk Carrier, 2023
Why Choose Hangzhou Star Marine Technology?
We are your single-source solution for marine compressed air systems—from initial design validation to post-delivery service. Our commitment to technical precision, regulatory compliance, and unmatched response speed ensures your vessel operates safely, efficiently, and without interruption.
Contact Us:
📞 +86 571 8899 XXXX | ✉️ [email protected] | 🌐 www.star-marine.com
Certified by CCS, DNV, ABS, LR, BV | ISO 9001:2015 | ISO 14001:2015
Packaging & Logistics

Packaging & Global Logistics
Hangzhou Star Marine Technology ensures all marine air compressors are packaged and shipped to meet the highest international standards, providing seamless delivery for new shipbuilding projects and ship-repair operations worldwide. Our protocols are engineered to withstand extreme maritime conditions while complying with SOLAS, IMO, and classification society requirements.
ISPM 15 Certified Wooden Crating
All wooden packaging complies with ISPM 15 standards to prevent pest transmission across borders. Each crate undergoes heat treatment (HT) or methyl bromide fumigation (MB) as required, with certification documentation provided for customs clearance.
Treatment Method: Heat-treated (HT) timber to 56°C core temperature for 30 minutes minimum
Marking: IPPC stamp with country code, treatment code, and producer ID
Protection: VCI paper lining, moisture barriers, and anti-corrosion coatings
Structural Integrity: 25mm thick plywood reinforcement at critical stress points
Heavy-Duty Steel Palletization
For units exceeding 800 kg, galvanized steel pallets ensure structural integrity during transit. Designed for forklift and crane handling with reinforced strapping points and edge protectors.
| Parameter | Specification |
|---|---|
| Pallet Material | Galvanized steel (2.5mm thickness) |
| Load Capacity | 5,000 kg per pallet |
| Anti-Slip Surface | Textured galvanized sheeting |
| Corner Protection | Steel angle guards (50×50×5mm) |
| Securing Method | 4-point steel strapping with tensioners |
Seamless Export Operations from Ningbo & Shanghai Ports
As a Hangzhou-based manufacturer, we leverage direct access to China’s premier maritime export hubs:
Ningbo Port: Primary export point with dedicated marine equipment handling facilities; 24/7 customs clearance support
Shanghai Port: Secondary hub for urgent shipments; direct vessel connections to global destinations
Documentation: Full export compliance including Certificate of Origin, Commercial Invoice, Packing List, and Bill of Lading
Tracking: Real-time container tracking via IoT-enabled logistics partners
Why Choose Our Packaging for Shipbuilding & Repair?
Zero-Damage Guarantee: 99.8% transit success rate for marine equipment since 2010
Class Society Compliance: Certified for ABS, DNV, LR, BV, and CCS requirements
Dry-Dock Ready: Packaging designed for rapid unloading and installation in shipyard environments
Custom Solutions: Tailored packaging for oversized components (e.g., 30-bar screw compressors) with vibration-dampening mounts
“As a trusted supplier for major shipyards including COSCO, Jiangnan Shipyard, and Hyundai Heavy Industries, our packaging protocols eliminate transit risks for mission-critical systems during new builds and dry-dock repairs.”
Contact Star Marine Technology
Marine Air Compressor Solutions: 30 Bar Systems for Shipbuilding & Repair
Overview
Hangzhou Star Marine Technology delivers precision-engineered 30 bar marine air compressors designed for mission-critical applications in shipbuilding and repair. Our systems comply with SOLAS Chapter II-1 requirements, ensuring reliable engine starting, emergency air supply, and continuous operation in harsh maritime environments. Engineered for zero-failure performance, our compressors prioritize efficiency, durability, and compliance with global marine standards.
Technical Specifications
Core Performance Parameters
| Parameter | Specification |
|---|---|
| Discharge Pressure | 3.0 MPa (30 bar) – SOLAS-compliant for rapid reservoir recharge |
| Flow Rate | 14–47 m³/min (adjustable per model) |
| Cooling System | Water-cooled (standard), Air-cooled (optional) |
| Start Method | PLC-controlled automatic start, manual override |
| Ambient Temp. | Operates reliably up to 50°C (122°F) |
| Certification | CE, CCS, ABS, DNV, LR, BV |
Model Variants for Marine Applications
| Model | Flow Rate (m³/min) | Cooling Type | Application Scope |
|---|---|---|---|
| HSC-30S | 20–30 | Water-cooled | Main engine starting (large vessels) |
| HSC-30P | 14–25 | Air-cooled | Auxiliary systems, small-to-medium vessels |
| HSC-30W | 35–47 | Water-cooled | High-demand scenarios (tankers, cruise ships) |
Note: All models feature oil-lubricated screw/piston designs with corrosion-resistant components, ensuring longevity in saltwater environments.
Applications & Critical Use Cases
1. Main Engine Starting Systems
Rapidly recharge air reservoirs from 0 to 30 bar within SOLAS-mandated timeframes (typically ≤30 minutes for full recharge).
Engineered for 100+ consecutive starts without thermal degradation.
2. Emergency & Redundant Systems
Fail-safe operation during power outages or propulsion failures.
Integrated automatic start/stop control for uninterrupted air supply.
3. Shipyard & Repair Operations
Supports pneumatic tools, deck machinery, and dry-dock testing.
Designed for 24/7 operation in ship repair yards with minimal maintenance downtime.
Compliance & Reliability Assurance
SOLAS Chapter II-1: Meets mandatory requirements for marine air compressor systems.
Classification Society Approvals: Certified by CCS, ABS, DNV, LR, and BV for global deployment.
Thermal Management: Advanced cooling systems prevent overheating in tropical climates (tested at 50°C ambient).
Vibration & Noise Control: ISO 8528-compliant operation for crew safety and vessel integrity.
“Hangzhou Star Marine compressors are built for the most demanding maritime conditions – where reliability is non-negotiable.”
Contact Hangzhou Star Marine
As a trusted engineering partner for new shipbuilding and ship-repair projects worldwide, we deliver turnkey air compressor solutions tailored to your vessel’s operational profile. Our team provides end-to-end support: from technical consultation and custom design to installation guidance and post-sale service.
Product Manager: Kacher YE
📞 Tel/WhatsApp: +86-178-16869405
✉️ Email: [email protected]
Request a technical datasheet, project quote, or on-site consultation today.
⚓ Anchor Chain Weight Estimator
Estimate the weight of Stud Link Anchor Chain (Approx. Formula: 0.0219d²).
