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Home > Industrial Equipment & Components > Valve > Ball Valve > Three-Piece Marine Ball Valve for Ship Fuel Oil System Maintenance, DN15-DN50, PN16-PN40
Three-Piece Marine Ball Valve for Ship Fuel Oil System Maintenance, DN15-DN50, PN16-PN40
Product Spotlights
Three-piece design enables easy in-line maintenance for ship fuel oil systems, drastically reducing vessel downtime. Available in DN15-DN50 sizes with PN16-PN40 ratings, it features corrosion-resistant materials and a full-port option for efficient fuel flow. Manufactured to international standards with ISO9001 certification, it offers reliable, leak-free performance and long-term cost savings through serviceable components.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Application:
Other, Ship Fuel Oil System Maintenance
Valve Type:
Three-Piece Marine Ball Valve
Connection Type:
Threaded (NPT, BSP), Flanged Optional
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Application
Other, Ship Fuel Oil System Maintenance
Valve Type
Three-Piece Marine Ball Valve
Connection Type
Threaded (NPT, BSP), Flanged Optional
Size Range
DN15 to DN50 (1/2“ to 2“)
Pressure Rating
PN16 to PN40 (150 to 300 PSI Class)
Body Material
Carbon Steel, Stainless Steel Optional
Seat Material
PTFE (Teflon), Reinforced PTFE Optional
Ball Material
Chrome Plated Steel, Stainless Steel Optional
Operation
Lever Handle, Gearbox Optional
Design Standard
ISO, DIN, JIS, ANSI, Customizable
As a professional manufacturer with ISO9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in producing high-performance valves for demanding marine applications. Our Three-Piece Marine Ball Valve is engineered specifically for the rigorous maintenance of ship fuel oil systems, ensuring reliable operation and safety at sea. With a focus on durability and ease of service, this valve is designed to withstand the corrosive environment of marine fuel systems while providing long-lasting, leak-free performance. We combine precision manufacturing with stringent quality control to deliver a product that ship operators and maintenance crews can trust.
The three-piece design is a key advantage for maintenance. Unlike one-piece valves, this construction allows for easy disassembly and reassembly without removing the valve from the pipeline. This feature is invaluable during routine inspections, seal replacements, or cleaning operations within the fuel oil system, minimizing vessel downtime. The valve's robust construction ensures it can handle the specific challenges of marine fuel, including potential contaminants, varying viscosities, and the need for positive shut-off.
Key Features & Technical Advantages:
- Superior Sealing Integrity: Utilizes high-grade PTFE or reinforced PTFE seats, providing excellent chemical resistance against marine fuels and ensuring a bubble-tight seal even after numerous cycles.
- Easy Maintenance & Repair: The three-piece body, held together by bolts, allows the center section (containing the ball and seats) to be easily removed for inspection or part replacement while the end connections remain in the line.
- Corrosion Resistance: Standard carbon steel body with anti-corrosion coating or optional stainless steel (304/316) construction provides enhanced protection against saltwater atmosphere and aggressive fuel additives.
- Full Port Design: Available in full port (full bore) configuration to minimize pressure drop across the valve, which is critical for maintaining efficient fuel flow to engines.
- Versatile Pressure & Size Range: Covers common pipeline sizes from DN15 to DN50 with pressure ratings from PN16 to PN40, suitable for various points within a ship's fuel system, from supply lines to service lines.
- Multiple Actuation Options: Standard lever handle for quick manual operation. Optional gear operators are available for larger sizes or applications requiring higher torque.
Technical Specifications Table:
| Parameter | Specification / Option |
|---|---|
| Valve Design | Three-Piece, Bolted Body |
| Nominal Diameter (DN) | 15, 20, 25, 32, 40, 50 |
| Pressure Rating (PN) | 16, 25, 40 |
| Port Type | Standard Port, Full Port Optional |
| End Connection | Threaded (NPT/BSP), Socket Weld, Flanged (RF, FF) |
| Fire Safe Design | Available upon request |
| Temperature Range | -20°C to +150°C (with standard seats) |
Benefits for Ship Operators and Yards:
- Reduced Maintenance Time: The serviceable design drastically cuts down the time required for valve overhaul, as the entire line does not need to be dismantled.
- Cost-Effective Lifecycle: Instead of replacing the entire valve, only worn internal components (seats, seals) need to be replaced, offering significant long-term savings.
- Enhanced System Safety: Reliable shut-off capability prevents fuel leaks, a critical factor for fire safety and environmental protection onboard ships.
- Inventory Flexibility: Standardized design across sizes simplifies spare parts management for fleet operators.
- Compatibility: Manufactured to international standards, ensuring compatibility with existing shipboard piping systems.
Shanghai Zhibang Valve has been a trusted supplier since 2016, exporting our marine-grade valves to key markets across North America, South America, Europe, Asia, Africa, and Oceania. Our annual export value reflects the consistent quality and reliability that global clients depend on. Supported by ISO9001 certified manufacturing processes, our Three-Piece Marine Ball Valve represents a practical and dependable solution for fuel oil system maintenance. We invite shipyards, vessel owners, and marine equipment distributors to experience the difference that a purpose-built, serviceable valve can make. Contact us today for a quotation, technical data sheets, or to discuss custom requirements for your specific application.
Frequently Asked Questions (FAQ)
-
Q: Why is a three-piece design preferred for marine fuel oil system maintenance?
A: The three-piece design allows for easy in-line maintenance. The center section containing the ball and seals can be removed for cleaning, inspection, or replacement without cutting the pipe or removing the end connections. This significantly reduces downtime during critical maintenance periods. -
Q: What materials are recommended for handling marine diesel oil (MDO) and heavy fuel oil (HFO)?
A: For standard MDO, carbon steel body with chrome-plated ball and PTFE seats is common. For HFO or more corrosive fuels, we often recommend stainless steel (316) body and ball with reinforced PTFE or specialized seats for improved resistance to wear and chemical attack. -
Q: Are these valves suitable for high-viscosity fuel oils?
A: Yes. The full port option is particularly recommended for high-viscosity fuels to reduce flow resistance and pressure drop. The robust design and material selection ensure reliable operation even with thick oils. -
Q: Can you provide valves with specific thread standards like NPT or BSP?
A: Absolutely. We can manufacture valves with NPT (American standard), BSP (British standard), or other threaded ends as per your specification. This information should be provided at the time of inquiry or order. -
Q: What is the lead time for an order of these marine ball valves?
A: Lead times vary based on order quantity, material selection, and end connection specifications. Standard configurations typically have shorter lead times. We provide accurate delivery estimates upon receipt of your detailed requirements. -
Q: Do you offer fire-safe certified versions of this valve?
A: Yes, fire-safe design versions compliant with standards like API 607/ISO 10497 are available upon request. These include secondary metal seals that provide a leak-tight barrier in case the primary soft seal is damaged by fire. -
Q: How does the pressure rating (PN16-PN40) relate to actual working pressure?
A: PN ratings indicate the nominal pressure in bars at ambient temperature. For example, PN16 is suitable for a maximum working pressure of 16 bar at 20°C. The selected rating should exceed the maximum operating pressure in your specific fuel oil system. -
Q: Do you provide documentation such as material test certificates?
A: Yes, for qualified orders, we can provide standard material certifications (3.1 Mill Test Certificates as per EN 10204) and other relevant documentation upon request.
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1Yr
Business Type
Manufacturer
Year Established
2016
Annual Export Value
US$1 Million - US$1.5 Million
Product Certifications
ISO9001
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