Marine Loading Arm
Your Reliable Marine Loading Arm Supplier — Hechang Machinery
Lianyungang Hechang Machinery Co., Ltd., founded in 2009, is located within the Lianyungang petrochemical industrial cluster. With 15 years of industry experience, the company is dedicated to the field of fluid loading equipment and petrochemical handling systems. Hechang is a specialized enterprise integrating R&D, manufacturing, and sales, providing comprehensive services including fluid loading equipment consulting, design, fabrication, testing, installation guidance, and maintenance.
Hechang has a complete engineering design team, advanced manufacturing facilities, and extensive industry expertise. Our solutions cover loading and unloading operations for a wide range of liquid and gas media such as crude oil, refined oil, chemicals, LNG, and LPG.
We have long served global ports and terminals, storage and transportation enterprises, oil & gas end-users, and EPC contractors, delivering one-stop services—from solution design, equipment manufacturing, installation & commissioning to long-term operation and maintenance.
All Hechang marine loading arms strictly comply with international standards such as OCIMF, API, and EN. Every critical component undergoes rigorous pressure testing, cryogenic testing, torque verification, and corrosion-resistance testing to ensure stable and reliable performance under demanding operating conditions.
Key Features of Marine Loading Arms
Multiple loading arm configurations to suit different media, operating conditions, and terminal layouts, with customized solutions tailored to each specific project.
Excellent Follow-Up Performance
The marine loading arm can move freely within the normal drift range of the vessel, ensuring continuous transfer.
01
Multiple Material Options
Marine loading arms are available in carbon steel, stainless steel, or PTFE-lined steel, to meet different media and temperature requirements.
02
High Adaptability
Marine loading arms are suitable for cryogenic liquids, high-temperature media, and corrosive chemicals.
03
Economic and Flexible
Marine loading arms provide a cost-effective solution for manual operation, while also offering electro-hydraulic control for large professional terminals.
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Marine Loading Arms from Hechang Machinery
Marine loading arms are high-safety devices designed to transfer liquid or gas media between terminals and vessels. They are intended to replace traditional hose systems, offering more reliable sealing, faster loading and unloading, and longer service life. They are suitable for a wide range of applications, including LPG terminals, refined oil docks, chemical ports, bulk transfer stations, and island fueling facilities. The following are the commonly used main structural types in the industry, each of which can be customized to meet specific project requirements.
Core Specifications of Marine Loading Arms
Our marine loading arms are available in various specifications to meet project requirements. Each product undergoes rigorous design and testing to ensure safe and efficient operation in complex sea conditions and harsh operating environments.
| Parameter Table | |||||||
| Ⅰ | Loading arm Performance parameter |
Type | |||||
| Nominal pipe size | Liquid/Vapor Phase | ||||||
| Transmission medium | |||||||
| Design pressure/operating pressure | / MPa | ||||||
| Design temperature/operating temperature | / ℃ | ||||||
| Pipe material | |||||||
| Shore end flange standard | |||||||
| Ship end flange standard | |||||||
| Operating mode M (Manual)/ H (Hydraulic Drive) |
|||||||
| Ⅱ | Wharf parameter | A | The distance from stand column center to wharf edge | m | |||
| B | The height from inlet flange to wharf level | m | |||||
| C | Basic table-board height(the height from the loading arm’s bottom plate to wharf) | m | |||||
| D | Wharf fender thickness(Max/Min) | m | |||||
| E | The distance from obstacle to wharf edge | m | |||||
| F | The height from obstacle to wharf level | m | |||||
| G | The distance of stand column center between adjacent loading arm | m | |||||
| H | The difference from wharf level to the highest water level | m | |||||
| I | The difference from wharf level to the lowest water level | m | |||||
| Ⅲ | Tanker parameter | J | The distance from ship end flange to ship’s rail (Max/Min) | m | |||
| K | The distance from ship end flange to deck (Max/Min) | m | |||||
| L | The height of ship guardrail | m | |||||
| M | Spacing between ship end flange(Max/Min) | m | |||||
| N | The difference from ship end flange to the highest water level | m | |||||
| O | The difference from boat end flange to the lowest water level | m | |||||
| P | Lateral drift ( perpendicular to the wharf) | m | |||||
| Q | Longitudinal drift ( parallel to the wharf) | m | |||||
| Ⅳ | Optional accessories | Safety ladder | YES/NO | ||||
| Insulation flange | YES/NO | ||||||
| Emergency release system(ERC) | YES/NO | ||||||
| Manual quick coupling/ hydraulic drive quick coupling (QC/DC) | Manually Operated/ Hydraulic Drive | ||||||
| Vacuum short circuit system | YES/NO | ||||||
| Three dimensional coupling adjustable outrigger | YES/NO | ||||||
| Three dimensional coupling emission device | YES/NO | ||||||
| Sweeping system | YES/NO | ||||||
| Other | YES/NO | ||||||
| Ⅴ | Controls & Hydraulics | Ultra sonic alarm system | YES/NO | ||||
| Position monitoring systems | YES/NO | ||||||
| Central control panel | YES/NO | ||||||
| Remote control | YES/NO | ||||||
| Wired Control | YES/NO | ||||||
Why Hechang Machinery Is Your Trusted Marine Loading Arm Partner
A trusted global manufacturer of safe, high-standard, and customizable marine loading arms, specializing in the R&D, design, manufacturing, and worldwide delivery of fluid loading arms, providing high-safety loading solutions for oil, gas, and chemical terminals.
Strong Engineering and Design Capabilities
Our mechanical and fluid engineering teams, with over 10–20 years of experience, are capable of 2D/3D design, operational simulations, and wind & wave resistance structural analysis. The team provides terminal layout planning, vessel interface range analysis, and customized interface solutions. Based on vessel parameters, terminal structures, and media properties, they offer professional recommendations to ensure each marine loading arm design is fully optimized.
Comprehensive Manufacturing System and Key Processes
Production strictly follows the ISO 9001 quality management system. Each marine loading arm undergoes pressure testing, pressure shock testing, and low-temperature sealing tests. Surfaces are treated with sandblasting, epoxy zinc-rich primer, and marine-grade anti-corrosion coatings. Critical processes such as vacuum piping welding and special seal installation are executed by experienced technicians, ensuring structural safety and reliability.
OEM/ODM Deep Customization Capabilities
Marine loading arm length, pipe diameter, structure, materials, and control systems can all be tailored to project requirements. We provide OEM branding or ODM services from concept to full development. Both single customized units and large-scale orders are supported, flexibly meeting diverse customer needs.
Global Delivery and On-Site Service Capabilities
Our marine loading arms have been exported to over 40 countries across Europe, the Middle East, Southeast Asia, Africa, and the Americas, accumulating extensive petrochemical project experience. We provide remote technical support, on-site installation guidance, commissioning, operator training, and long-term maintenance. Additionally, we maintain a comprehensive spare parts supply system to ensure rapid response and global service support.
Enhance Loading Efficiency and Safety with Your Customized Solution
Contact our engineering team to receive professional design advice, customized solutions, and quotation support, ensuring your project operates safely and efficiently. Whether you are a port, terminal operator, or engineering company, we provide tailor-made marine loading arm products along with comprehensive technical support.
A Trusted Choice for Ports and Oil & Gas Terminals Worldwide
Our marine loading arms are widely used at ports, jetties, and industrial terminals worldwide, covering diverse media and challenging operating conditions. With extensive experience working with leading oil & gas, chemical companies, and EPC contractors, we are recognized for our safety, reliability, and efficiency.
We are one of the most professional marine loading arm manufacturers and suppliers in China, featured by quality products and good service. Please rest assured to buy custom made marine loading arm from our factory.