Stainless Steel Marine Ball Valve for Ship Fuel Oil Systems, DN50-DN200, PN10-PN40 Flanged
Product Spotlights
As a professional manufacturer specializing in marine valves, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our high-performance Stainless Steel Marine Ball Valve designed specifically for ship fuel oil systems. With our ISO9001 certified production system and extensive export experience to global markets, we ensure every valve meets the rigorous demands of marine applications. This valve series, available in sizes DN50 to DN200 and pressure ratings PN10 to PN40, is engineered to provide reliable, long-lasting control for critical fuel lines, helping to safeguard vessel operations and enhance system efficiency.
Our stainless steel construction offers superior corrosion resistance against fuel oils and marine environments, ensuring durability and minimizing maintenance needs. The flanged connection design facilitates secure installation and integration into existing piping networks. Whether for new builds or retrofitting existing vessels, this valve is a trusted component for shipowners, shipyards, and marine engineers worldwide.
Key Features & Technical Advantages:
- Robust Material: Manufactured from high-grade stainless steel, providing excellent resistance to corrosion, erosion, and the chemical properties of marine fuel oils.
- Precision Engineering: The ball and stem assembly is precision-machined to ensure smooth operation, minimal torque, and a tight seal, preventing leaks in the fuel system.
- Versatile Pressure Ratings: Available in PN10, PN16, PN25, and PN40 configurations, allowing selection based on specific system pressure requirements.
- Full Port Design (Optional): Some models can be supplied with a full port ball, minimizing flow resistance and pressure drop across the valve, which is beneficial for fuel transfer efficiency.
- Multiple Seal Options: Standard seals include PTFE (Teflon) for excellent chemical resistance and low friction. Other resilient seal materials are available upon request for specific fluid compatibility.
- Diverse Actuation: Primarily manual operation via a lever. For larger sizes or remote operation needs, a gearbox operator or pneumatic/hydraulic actuation can be provided as an optional accessory.
- Flanged Flexibility: Flanges are manufactured to common standards (RF flat face, RTJ ring type joint, etc.), ensuring compatibility with international piping flanges. Dimensions and drilling can be customized.
- Fire Safe Design Considerations: The design incorporates features that enhance performance in critical situations, though specific fire-safe certifications would be subject to customer request and testing.
Detailed Specifications Table:
| Parameter | Description / Range |
| Nominal Diameter (DN) | 50, 65, 80, 100, 125, 150, 200 |
| Pressure Rating (PN) | 10, 16, 25, 40 bar |
| Body Material | Stainless Steel (AISI 304, 316, or other grades customizable) |
| Ball & Stem Material | Stainless Steel, often with enhanced surface treatment |
| Seal Material | PTFE (Standard), other engineered polymers optional |
| Connection Standard | Flanged per ISO, ANSI, DIN, or JIS standards (specify) |
| Operation Temperature | Typically -20°C to +150°C, depending on seal material |
| Flow Characteristic | Quick on/off, low flow resistance (standard or full port) |
| Actuation Type | Manual lever (standard), gearbox or actuator optional |
Benefits for Your Marine Project:
- Enhanced System Reliability: A reliable shut-off valve prevents fuel leakage, ensuring safety and operational continuity.
- Reduced Maintenance Costs: Stainless steel's corrosion resistance and robust seal design lead to longer service intervals and lower lifetime costs.
- Ease of Installation & Service: Flanged connections allow for straightforward installation, removal, and potential replacement without extensive pipe modification.
- Global Compliance Flexibility: With manufacturing certified to ISO9001 and experience supplying to markets worldwide, our valves are suitable for international projects.
- Customization Potential: We can discuss modifications in size, pressure rating, material grade, flange standard, and actuation to meet your precise specifications.
Shanghai Zhibang Valve Manufacture Co., Ltd., established in 2016, has rapidly grown into a trusted supplier with an annual export value ranging between US$1 Million and US$1.5 Million. Our products reach key maritime regions including North America, South America, Europe, Southeast Asia, Africa, and Oceania, demonstrating our capability to meet diverse international standards and client expectations. Our ISO9001 certification underpins a consistent, quality-focused manufacturing process. Shipping from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing ensures efficient logistics. Choosing our Stainless Steel Marine Ball Valve means partnering with a dedicated manufacturer committed to quality, reliability, and customer support. Contact us today to discuss your requirements for DN50-DN200, PN10-PN40 flanged ball valves for ship fuel oil systems, and let us provide a solution that enhances the safety and efficiency of your marine operations.
Frequently Asked Questions (FAQ):
-
Q: What specific stainless steel grade is used for these marine ball valves?
A: The standard body material is AISI 304 stainless steel, which offers good general corrosion resistance. For more aggressive environments or specific fluid compatibility, AISI 316 stainless steel or other grades can be supplied upon request. The exact grade can be confirmed during order specification. -
Q: Are these valves suitable for other marine fluids besides fuel oil?
A: Yes, while designed for fuel oil systems, the stainless steel construction and seal options (like PTFE) make them suitable for a range of marine fluids including lube oil, seawater (with appropriate grade selection), ballast water, and certain chemicals. Always confirm fluid compatibility with us before ordering. -
Q: Can I get valves with different flange standards, like ANSI instead of ISO?
A: Absolutely. We regularly produce valves with flanges conforming to ISO, ANSI, DIN, JIS, and other common international standards. Please specify your required flange standard (e.g., ANSI B16.5), face type (RF, RTJ), and pressure class during inquiry. -
Q: What is the delivery time for a typical order of these valves?
A: For standard sizes and configurations in our regular production schedule, delivery can often be within 4-6 weeks after order confirmation. For customized orders or large quantities, the timeline may be extended. We provide estimated delivery times with our quotations. -
Q: Do you provide actuation accessories like gear operators or pneumatic actuators?
A: Yes, we can supply manual gearbox operators for easier handling of larger valves. Pneumatic or hydraulic actuators can also be offered as an optional package. These accessories would be quoted separately based on your valve size and operational requirements. -
Q: How does the PN pressure rating relate to other pressure class systems like Class?
A: PN (Pressure Nominal) is a metric system rating in bar. For example, PN40 corresponds to approximately 40 bar design pressure. We can correlate this to other systems like ANSI Class (e.g., PN40 is roughly similar to Class 300 considerations). We advise selecting based on your system's design pressure requirements. -
Q: Are these valves fire-safe certified?
A: Our standard production incorporates design features that contribute to performance in fire scenarios. However, official fire-safe certifications (like API 607) require specific testing and documentation. If your project mandates a certified fire-safe valve, we can discuss the possibility and associated testing, which may affect cost and lead time. -
Q: What packaging is used for export shipment to ensure valve protection?
A: Each valve is individually packaged. Standard packaging includes protective coating on machined surfaces, sealing of ports, and placement in a sturdy cardboard box or wooden crate for larger sizes. We ensure packaging meets export standards to prevent damage during transit.
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