Marine Ball Valves – Reliable On-Off Control for Marine Systems
- Marine ball valves are quarter-turn valves designed for reliable on-off flow control in shipboard and offshore systems.
- Widely used due to tight shut-off capability, fast operation, and robust construction.
- Engineered to perform under high pressure, vibration, temperature variation, and corrosive marine environments.
- Essential components for safe and efficient marine operations.
Function in Marine Systems
- Primarily used for isolation and quick shut-off of fluid flow.
- Internal spherical ball rotates 90 degrees to open or close the valve.
- Allows full flow when open and complete sealing when closed.
- Ideal for applications where rapid response and leak prevention are critical.
Marine Applications
- Fuel oil and lubrication oil pipelines.
- Seawater and freshwater distribution systems.
- Cooling water circulation lines.
- Hydraulic and pneumatic systems.
- Bilge, ballast, auxiliary machinery, and utility services.
Types of Marine Ball Valves
- Two-Piece Ball Valves – Suitable for general marine applications with moderate operating conditions.
- Three-Piece Ball Valves – Allow easy maintenance without removing the valve from the pipeline.
- Full Bore Ball Valves – Provide unrestricted flow with minimal pressure loss.
- Reduced Bore Ball Valves – Compact design for space- or cost-sensitive applications.
Materials and Construction
- Stainless steel for corrosion resistance in harsh marine environments.
- Carbon steel for high-pressure marine systems.
- Bronze for seawater service applications.
- Alloy steel for heavy-duty marine operations.
- High-quality sealing materials ensure tight shut-off and long service life.
Performance Advantages
- Quick and dependable on-off operation.
- Tight sealing performance to prevent leakage.
- Minimal pressure drop when fully open.
- Low maintenance requirements.
- Long service life under demanding marine conditions.
Suitability for Marine Operations
- Designed to withstand continuous operation and vibration.
- Reliable performance under temperature fluctuations at sea.
- Simple mechanical design reduces failure risk.
- Trusted for use in commercial shipping, offshore vessels, and port operations.
Ensuring Safe and Efficient Flow Isolation
- Marine ball valves are essential for effective flow isolation.
- Fast operation supports safety and operational efficiency.
- Proper valve selection ensures system reliability.
- Durable solutions for shipboard and offshore environments.
FIGURES AT A GLANCE ABOUT RMS
29
Years of History
1000+
Employees
15
Offices Worldwide
35000M²+
Warehouse
10
Workshops
100+
Professional
Technicians
3400M²
Dry Food
Warehouse
1500M²
Cold Storage
Facilities
20,000
Avg. Ships
Supplied/Year
2500+
NB Initial Supply
China: RMS Marine Service Company Ltd.
Korea: ACE-RMS Marine Service Co., Ltd.
Singapore: RMS Marine & Offshore Service (S) Pte Ltd.
Europe：RMS Marine Service B.V.
We are committed to achieving total customer satisfaction and aiming to be your Reliable &
Responsive partner in marine and offshore and cruise industry. We focus on expertising and
diversifying our services and products to create the best value for our clients consistently,
whilst fulfilling our responsibility to society and environment.
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