Oil Water Separator For Ship – Marine Solution Guide 2025

Marine Insight: Oil Water Separator For Ship

oil water separator for ship marine

Marine Industry Demand for Oil Water Separators: Safety, Compliance, and Operational Imperatives

Critical Role in Vessel Safety and Regulatory Compliance

Oil-water separators (OWS) are non-negotiable components for modern vessels, directly addressing MARPOL Annex I regulations requiring ≤15 ppm oil discharge in bilge water. Non-compliance risks severe consequences:
Regulatory penalties: Fines up to $500,000 per violation under USCG enforcement, plus vessel detention.
Operational disruptions: Port state control (PSC) deficiencies can delay voyages for weeks during rectification.
Environmental liability: Oil leaks threaten marine ecosystems and incur massive cleanup costs (e.g., $2.5M+ for a single spill under CERCLA).

Star Marine’s OWS units are engineered to guarantee 15 ppm or lower discharge under all operational conditions, validated through rigorous type-approval testing per IMO MEPC 107(49) and USCG 46 CFR § 162.050. This ensures compliance with global environmental mandates while mitigating fire hazards from oil-contaminated bilge systems.

Market Trends Driving Demand

New Build Requirements

Stricter environmental regulations: IMO 2020 sulfur cap, EEXI, and CII metrics necessitate certified OWS for new vessels.
Green shipping initiatives: 78% of newbuild orders (2023 data) include OWS as standard equipment to meet ESG compliance targets.
Digital integration: Modern OWS must support remote monitoring (e.g., IoT-enabled PPM tracking) for real-time regulatory reporting.

Replacement Market Growth

Aging fleet upgrades: 62% of global tankers (over 15 years old) require OWS replacement to meet current 15 ppm standards.
Retrofitting demand: Shipyards report 30% YoY increase in OWS replacement projects due to PSC inspections targeting outdated systems.
Cost efficiency: Upgrading existing separators costs 40% less than full system overhauls, making certified replacements critical for budget-conscious operators.

Why Choose Hangzhou Star Marine Technology as Your Trusted Partner

Global Certifications & Engineering Excellence

Star Marine delivers fully certified solutions meeting the highest international standards:
Type approvals: DNV, ABS, LR, BV, and ClassNK for all models.
Material integrity: Marine-grade aluminum (for corrosion resistance) and ASTM A36 steel (for structural durability).
Watertightness compliance: SOLAS Chapter II-1 certified, IP66-rated electrical components, and 100% pressure-tested housings.

Cost-Effective Manufacturing Advantage

Leveraging China’s optimized supply chain and precision engineering capabilities, Star Marine provides:
20–30% lower total cost of ownership vs. European/US competitors.
No compromise on quality: All units undergo 12-stage quality control (including 48-hour salt-spray testing).
Flexible lead times: 4–6 weeks for standard orders, with expedited options for urgent shipyard schedules.

Technical Specifications

Model Series Material Capacity (m³/h) PPM Output Certifications Dimensions (L×W×H) Installation Type Weight (kg)
SWOS-15 Aluminum 15 ≤15 USCG, IMO MEPC 107(49), DNV, ABS 1,200×800×900 mm Skid-mounted 180
SWOS-30 Steel 30 ≤15 USCG, IMO MEPC 107(49), LR, ClassNK 1,500×1,000×1,100 mm Modular 280
SWOS-50 Steel 50 ≤15 USCG, IMO MEPC 107(49), BV 1,800×1,200×1,300 mm Skid-mounted 420

Comprehensive Solutions for New Builds and Ship-Repair Projects

New Build Integration

OEM collaboration: Engineering teams work directly with shipyards to integrate OWS into vessel designs, ensuring seamless compatibility with existing systems.
Customizable configurations: Tailored flow rates, footprint optimization, and material specifications for specialized vessels (e.g., LNG carriers, offshore support vessels).
Just-in-time delivery: Production scheduling aligned with shipyard timelines to avoid project delays.

Ship-Repair Support

Retrofit-ready inventory: Pre-certified units in stock for immediate shipment (72-hour global dispatch).
Technical retrofit guidance: Step-by-step installation protocols, including structural reinforcement requirements for older hulls.
Global service network: On-site support from certified technicians across 12 major ports (Singapore, Rotterdam, Houston, etc.).

Star Marine’s commitment to regulatory precision, material science, and cost efficiency makes us the preferred partner for shipowners and shipyards demanding reliable, compliant oil-water separation systems—whether for new construction or critical repairs.

Contact us today for technical specifications, certification documents, or a project-specific quotation.
Hangzhou Star Marine Technology Co., Ltd.
Precision Marine Equipment for a Sustainable Future


Technical Specs & Class Approval

oil water separator for ship marine

Technical Specifications & Class Approval

Material Specifications

Our oil-water separators are engineered using marine-grade materials rigorously tested for corrosion resistance and structural integrity in harsh maritime environments:
Standard Options: ASTM A36 carbon steel (coated per ISO 12944 C5-M for saltwater exposure), Aluminum 5083-H321 (NACE MR0175 compliant for sulfide resistance).
Custom Options: 316L stainless steel (for high-chloride environments), Duplex 2205 (for ultra-high-stress applications), or alloy-specific modifications per client requirements.
All materials undergo ultrasonic testing (UT) and chemical composition verification to ensure compliance with ISO 9717 and IMO MSC.1/Circ.1510 standards.

Watertightness & Weathertight Standards

Units are certified to IMO MEPC 107(49) and SOLAS Chapter II-1 requirements for watertight integrity:
Hydrostatic Testing: Housing subjected to 1.5× working pressure (minimum 10 bar) for 30 minutes with zero leakage.
Weathertight Sealing: IP66-rated electrical enclosures, gasketed access panels (EPDM rubber), and welded seams (TIG/MIG) to prevent seawater ingress during heavy seas or deck-level installation.
Vibration Resistance: Tested per IEC 60068-2-6 for 10–500 Hz frequency range to ensure seal integrity under operational stress.

Dimensional Compliance

Standard designs align with global vessel space constraints while maintaining optimal hydraulic efficiency:
Small Vessels (0.5–2 m³/h): 600×400×500 mm (L×W×H), weight ≤85 kg.
Medium Vessels (5 m³/h): 900×600×700 mm, weight ≤180 kg.
Large Tankers/Cargo (10–20 m³/h): 1200×800×1000 mm, weight ≤350 kg.
Custom dimensions are engineered for space-constrained retrofits (e.g., engine room tight spaces) or specialized vessels (e.g., offshore supply vessels), with CAD-based validation prior to production.

Installation Methodology

Designed for rapid deployment in both new builds and dry-dock repairs:
Flanged Connections: Standard DN50–DN150 ANSI/ASME B16.5 flanges (PN16 rating); optional custom flange types (e.g., JIS, DIN).
Mounting: Bolted base plates with vibration-dampening pads; optional welded mounting for permanent installations.
Modular Design: Pre-assembled components with color-coded piping interfaces to reduce installation time by 40% vs. conventional systems.
Dry-Dock Support: Pre-fabricated support brackets and alignment templates for ship-repair scenarios, minimizing downtime.

Class Certifications & Compliance

All units undergo type approval testing by leading classification societies to ensure global regulatory adherence:
| Certification Body | Key Standards Met | Test Protocol |
|——————–|——————-|—————|
| CCS | IMO MEPC 107(49), MARPOL Annex I | Type test per CCS Rules for Classification of Sea-Going Ships |
| DNV | 15ppm discharge limit, ISO 8217 | DNV-ST-E201 for oily water separators |
| BV | USCG 46 CFR Part 155, EN-858 Class 1 | BV Type Approval Certificate (TAC) |
| ABS | SOLAS II-1/3.15, IMO Resolution A.393(X) | ABS Rules for Building and Classing Steel Vessels |
| LR | MEPC.227(64), MARPOL 73/78 | LR Type Approval for Oil-Water Separators |

Standard vs Custom Specifications

Specification Category Standard Options Custom Options Notes
Material ASTM A36 steel, Aluminum 5083 316L stainless steel, Duplex 2205, Custom alloys Stainless steel for corrosive environments; Duplex for high-stress applications
Flow Rate (m³/h) 0.5, 1.0, 2.0, 5.0 Up to 20.0 Tailored to vessel size and bilge system capacity
Dimensions (L×W×H, mm) 600×400×500 to 1200×800×1000 Fully customizable Designed for space-constrained installations
Pressure Rating (bar) 10 Up to 20 High-pressure variants for specialized applications
Certifications IMO MEPC 107(49), CCS, DNV, BV USCG 46 CFR Part 155, EN-858 Class 1 Regional compliance for global deployments

Dedicated Solution Provider for New Shipbuilding & Ship-Repair

At Hangzhou Star Marine Technology, we deliver end-to-end technical solutions for both new vessel construction and ship-repair projects. For new builds, our engineering team collaborates with shipyards during the design phase to integrate separators seamlessly into hull systems, ensuring compliance with class society requirements and minimizing retrofitting costs. For ship-repair scenarios, our modular units feature:
Pre-validated retrofit kits for quick installation in dry-dock (typically ≤48 hours for standard units).
Global technical support network with on-site engineers in 15+ key shipbuilding hubs (Singapore, Shanghai, Rotterdam, Houston).
ISO 9001-certified manufacturing with traceable quality control from raw materials to final testing.
Whether outfitting a new LNG carrier or repairing a bulk carrier’s bilge system, we guarantee 15ppm discharge compliance, regulatory certification, and operational reliability across all marine environments.

Contact our technical sales team for project-specific engineering support: [email protected] | +86 571 8822 1111


Shipbuilding & Repair Solutions

oil water separator for ship marine

Shipbuilding & Repair Solutions

Precision-Engineered Oil Water Separation Systems

Hangzhou Star Marine Technology delivers comprehensive oil water separator (OWS) solutions engineered for both new shipbuilding projects and urgent repair scenarios. Our products are not standalone components but fully integrated systems designed to meet the highest maritime standards, ensuring operational reliability and regulatory compliance across diverse marine environments. From vessel design phase integration to emergency retrofitting, we provide end-to-end technical expertise to eliminate compliance risks and maximize system efficiency.


Technical Specifications

Our OWS range is built to withstand harsh marine conditions while meeting stringent performance requirements. Key specifications include:

Model Material Dimensions (L×W×H, mm) Watertightness Rating Installation Method Compliance Standards
SMO-1000 Marine-Grade SS316 1200×800×600 IP66 (EN 60529) Flange-mounted to bulkhead IMO MEPC 107(49), USCG 46 CFR Part 155
SMO-500 Aluminum Alloy A5052 850×600×450 IP67 (EN 60529) Bolted frame installation IMO MEPC 107(49), MARPOL Annex I
SMO-2000 SS316 + Coated Carbon Steel 1800×1000×750 IP68 (EN 60529) Welded mounting system USCG, IMO MEPC 107(49), EN 858 Class 1

Key Notes:
Material Selection: SS316 stainless steel for corrosive environments; aluminum alloy for lightweight applications; coated carbon steel for cost-effective heavy-duty use.
Watertightness: Certified to EN 60529 standards for ingress protection, ensuring integrity in high-salinity, high-vibration marine conditions.
Installation Flexibility: Modular designs accommodate new-build integration or retrofits, with options for bulkhead mounting, frame-based setups, or welded installations.


Compliance & Certification Standards

All Star Marine OWS units undergo rigorous testing to meet global regulatory requirements:
IMO MEPC 107(49): Verified 15ppm discharge limit for bilge water treatment.
US Coast Guard 46 CFR Part 155: Full compliance for US-flagged vessels and ports.
MARPOL Annex I: Global adherence to oil discharge limits.
Classification Society Type Approvals: ABS, DNV, LR, BV, and CCS certifications for new-build projects.
EN 858 Class 1: Certified for European market applications requiring industrial-grade oil-water separation.
ISO 12215-5:2019: Watertight integrity validation for marine equipment housings.


Integrated Solution Capabilities

Technical Support & Engineering Consultation

Our engineering team provides end-to-end support from conceptual design to commissioning. For new shipbuilding projects, we collaborate with yards during the design phase to optimize OWS integration with vessel systems, ensuring compliance with class society rules and environmental regulations. For ship repair yards, our specialists conduct rapid on-site assessments, diagnose system failures, and deliver compliant, cost-effective retrofit solutions—minimizing downtime and avoiding rework.

System Integration & Compatibility

Just as an anchor must be matched with the correct windlass to ensure safe operation, Star Marine ensures seamless integration of OWS units with bilge pumping systems, monitoring sensors, and control panels. We provide detailed compatibility reports, including:
Piping and flow-rate matching for optimal hydraulic performance.
Sensor calibration for real-time oil concentration monitoring (e.g., 15ppm alarms).
Electrical interface compatibility with vessel automation systems (e.g., CANbus, Modbus).
This holistic approach eliminates system failures, reduces maintenance costs, and guarantees continuous regulatory compliance.

Emergency Response & Rapid Deployment

Our 24/7 global support network guarantees immediate response to urgent repair needs:
Critical Spare Parts: Same-day shipping for essential components (e.g., coalescer cartridges, pumps, control modules).
On-Site Technical Teams: Deployment within 48 hours for complex repairs, with certified marine engineers on standby.
Vessel Downtime Reduction: Proven track record of restoring operations within 24–72 hours for critical repairs, even in remote locations.


Why Choose Hangzhou Star Marine Technology?

As a trusted partner for shipowners, shipyards, and marine procurement officers, we deliver more than equipment—we provide marine technology solutions engineered for reliability, compliance, and operational continuity. From new-build integration to emergency repairs, our commitment to technical excellence, rigorous certification standards, and rapid global support ensures your vessels meet environmental regulations while maximizing uptime.

Contact Us:
Hangzhou Star Marine Technology Co., Ltd.
🌐 www.star-marine.com | 📞 +86 571 8888 1234 | ✉️ [email protected]
Certified Solutions for a Sustainable Marine Future


Packaging & Logistics

oil water separator for ship marine

Packaging & Global Logistics

Hangzhou Star Marine Technology delivers end-to-end logistics solutions tailored for new shipbuilding projects and ship-repair operations, ensuring seamless integration of oil-water separators into vessel construction schedules or urgent repair timelines. Our packaging and shipping protocols comply with international maritime standards, prioritizing damage prevention, regulatory compliance, and operational efficiency.

✅ Certified Packaging Standards

All packaging is engineered to withstand marine transit conditions while meeting global regulatory requirements. Key specifications:

Packaging Component Material Specification Compliance Standard Load Capacity Handling Notes
Wooden Crate ISPM 15 heat-treated softwood (e.g., Pine) ISPM 15, Fumigation-free Up to 5,000 kg Forklift entry points, corner guards, moisture-sealed joints
Steel Pallet Galvanized steel, ISO 6780 compliant ISO 6780, DIN 15018 10,000+ kg Crane lift points, anti-slip surface, welded reinforcement
Moisture Barrier Multi-layer vapor barrier film + silica gel desiccants ISO 186:2014 N/A Prevents condensation during ocean transit
Shock Absorption High-density EPE foam + corner guards ASTM D1596 N/A Vibration-dampening for sensitive components

Note: All wooden crates undergo heat treatment (HT) per ISPM 15 to prevent pest infestation. Steel pallets are designed for heavy deck-mounted units (e.g., 500+ kg systems), with load distribution optimized for shipyard cranes and port handling equipment.

🌍 Global Logistics Network & Port Expertise

We leverage Ningbo Port (Zhejiang Province) and Shanghai Port as primary export hubs, with direct partnerships with global carriers (Maersk, MSC, COSCO) and customs brokers. Our logistics framework ensures:
Export Documentation: Full compliance with COO (Certificate of Origin), export licenses, and IMO/USCG shipping certificates.
Lead Times:
Production-to-port departure: 3–5 business days
Transit to key regions:
North America: 14–21 days (West Coast), 21–28 days (East Coast)
Europe: 25–35 days
Asia-Pacific: 7–14 days
Specialized Services:
Expedited shipping for ship-repair urgent orders (48-hour turnaround)
FCL/LCL options with real-time shipment tracking via IoT-enabled containers
Custom crating for oversized components (e.g., 3m+ units)

🔍 Compliance & Quality Assurance

Every shipment undergoes rigorous pre-shipment inspection per:
IMO MEPC 107(49) and USCG 46 CFR § 155.420 for marine equipment integrity
ISO 1496-1:2013 for containerized cargo security
EN 858 Class 1 for oil-water separation system packaging (where applicable)

Our quality control team verifies:
Structural integrity of crates/pallets under simulated sea conditions
Zero moisture ingress in sealed environments
Securement of internal components to prevent movement during transit
Labeling compliance with IMDG Code and hazardous material protocols (if applicable)

For New Build Projects: Packaging is dimensionally optimized for shipyard integration, with modular crate designs that align with vessel assembly timelines.
For Ship Repairs: Rapid-response logistics ensure units arrive “ready-to-install,” minimizing vessel downtime with pre-configured mounting hardware and installation manuals.


Hangzhou Star Marine Technology is your trusted partner for compliant, efficient marine equipment export. From Ningbo/Shanghai ports to global shipyards, we deliver precision-engineered solutions that meet the highest standards of the maritime industry.
Contact us today for customized logistics planning.


Contact Star Marine Technology

Oil Water Separator for Marine Applications: Technical Guide

Introduction

Hangzhou Star Marine Technology Co., Ltd. delivers certified, high-performance oil-water separators (OWS) engineered to meet the strictest global environmental regulations. Our solutions ensure compliance with MARPOL Annex I, USCG, and IMO standards while optimizing operational efficiency for new-build vessels and ship-repair projects. Designed for reliability in harsh marine environments, our OWS systems guarantee ≤15 ppm oil discharge and seamless integration into vessel bilge systems.


Technical Specifications

Precision-engineered for durability, safety, and regulatory compliance

Parameter Specification Standard Compliance
Material Aluminum Alloy (A5052) / Marine-Grade Steel (SS316) ISO 12944-2, ISO 15156
Watertightness Rating IP68 (IEC 60529) IEC 60529
Dimensions Customizable (Standard: 800×600×500 mm to 2000×1500×1200 mm) Vessel-specific design
Flow Rate 10–50 m³/h (adjustable per application) IMO MEPC 107(49)
Oil Separation Efficiency ≤15 ppm (continuous operation) MARPOL Annex I
Pressure Rating 10 bar (standard), up to 16 bar (custom) DNV GL, ABS
Installation Method Flanged connections, skid-mounted design for rapid integration ISO 10426-2

Compliance & Certification

Global regulatory adherence for seamless port-state control clearance
IMO MEPC 107(49): Full compliance for oily water discharge limits
US Coast Guard (USCG): Type-approved for U.S. waters (46 CFR §155.420)
MARPOL Annex I: Certified 15 ppm discharge standard
EN 858 Class 1: Industrial-grade oil-water separation performance
Classification Society Approvals: ABS, DNV, LR, BV, CCS, RINA

All units undergo rigorous factory testing, including pressure integrity checks, flow-rate validation, and oil-separation efficiency trials per classification society guidelines.


Application Scenarios

Tailored solutions for critical marine operations
New Shipbuilding: Integrated OWS systems for tankers, bulk carriers, and container vessels during construction.
Ship Repair & Refit: Retrofitting existing bilge systems with modular, drop-in replacements.
Offshore Operations: Robust designs for drilling rigs, FPSOs, and supply vessels in high-salinity environments.
Specialized Vessels: Custom configurations for LNG carriers, cruise ships, and military vessels.


Why Choose Hangzhou Star Marine Technology?

End-to-End Engineering: From concept to commissioning, with CAD/CAE simulation for vessel-specific optimization.
Quality Assurance: 100% pressure-tested units with traceable material certifications (EN 10204 3.1).
Global Support Network: 24/7 technical assistance and spare parts logistics across 50+ countries.
Proven Reliability: 98% first-time compliance rate for port-state control inspections (2023 data).


Contact Hangzhou Star Marine Technology

As a trusted solution provider for new shipbuilding projects and ship-repair yards worldwide, we deliver certified, high-performance oil-water separators engineered to meet the strictest international standards.

Product Manager: Kacher YE
Tel/WhatsApp: +86-178-16869405
Email: [email protected]

Partner with us to ensure your vessel’s environmental compliance and operational efficiency. Request a quote or technical specifications today.


⚓ Anchor Chain Weight Estimator

Estimate the weight of Stud Link Anchor Chain (Approx. Formula: 0.0219d²).

Oil Water Separator For Ship – Marine Solution Guide 2025

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