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Home > Industrial Equipment & Components > Valve > Butterfly Valve > Triple Eccentric Butterfly Valve for Shipboard Fuel Oil and Lubricating Oil Systems
Triple Eccentric Butterfly Valve for Shipboard Fuel Oil and Lubricating Oil Systems
Product Spotlights
Triple eccentric metal-seated butterfly valve designed for zero-leakage performance in shipboard fuel & lube oil systems. Features corrosion-resistant construction, bidirectional sealing, wide temp/pressure range (-29°C to 425°C, up to Class 300), and low-torque operation for reliable, long-life service in marine environments. ISO9001 certified manufacturer.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Application:
Other, Shipboard Fuel Oil & Lubricating Oil Systems
Material:
Carbon Steel, Stainless Steel, Duplex Steel
Size Range:
DN50 - DN1200 (2“ - 48“)
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Application
Other, Shipboard Fuel Oil & Lubricating Oil Systems
Material
Carbon Steel, Stainless Steel, Duplex Steel
Size Range
DN50 - DN1200 (2“ - 48“)
Pressure Rating
Class 150, Class 300, PN10 - PN40
Seat Type
Triple Eccentric Metal Seat
Operation Type
Lever, Gear, Electric Actuator, Pneumatic Actuator
Connection Type
Wafer, Lug, Flanged
Temperature Range
-29°C to 425°C
Certification
ISO9001 Quality Management System
Design Standard
API 609, ISO 5752
As a professional manufacturer with a solid foundation since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in providing high-performance fluid control solutions for demanding industrial applications. Our Triple Eccentric Butterfly Valve is engineered specifically for the rigorous demands of shipboard fuel oil and lubricating oil systems. Designed with precision and reliability at its core, this valve offers superior sealing performance, exceptional durability, and low maintenance requirements, making it an ideal choice for marine engineers and shipbuilders seeking to enhance system integrity and operational safety.
Core Product Features & Technical Advantages:
- Triple Eccentric Design: The unique geometric design ensures a frictionless, cam-action operation. The cone-shaped disc and seat create a contact-free seal until the final moment of closure, virtually eliminating wear and tear and guaranteeing a bubble-tight seal even after thousands of cycles.
- Robust Construction for Marine Environments: Manufactured from high-grade materials such as carbon steel, stainless steel (CF8/CF8M), and duplex steel, the valve body and components offer excellent resistance to corrosion, erosion, and the harsh saline atmosphere typical of maritime operations.
- Bidirectional Zero-Leakage Performance: Unlike standard butterfly valves, our triple eccentric design provides reliable bidirectional sealing, which is critical for systems where pressure may come from either side, ensuring no leakage of costly or hazardous fuel and lubricating oils.
- Wide Temperature and Pressure Compatibility: The metal-to-metal seat design allows the valve to operate effectively across a broad temperature range from -29°C to 425°C and handle pressure ratings up to Class 300/PN40, accommodating various system specifications.
- Low Torque Operation: The eccentric shaft design significantly reduces operating torque, allowing for the use of smaller, more cost-effective actuators (electric or pneumatic) and making manual operation via lever or gearbox smoother and easier.
- Fire-Safe Design (Optional): Available with fire-safe features compliant with industry standards like API 607/6FA, providing an added layer of safety for fuel oil applications.
Detailed Technical Specifications:
The table below outlines key specifications for our standard range. Custom configurations are available upon request.
| Parameter | Specification |
|---|---|
| Valve Size Range | DN50 to DN1200 (2" to 48") |
| Pressure Rating | Class 150, Class 300, PN10, PN16, PN25, PN40 |
| Body & Disc Material | WCB, CF8, CF8M, CF3M, Duplex 2205, Custom Alloys |
| Seat Material | Stainless Steel, Hardened Stainless Steel, Stellite |
| Shaft Material | Stainless Steel (410/416), with optional hardening |
| End Connection | Wafer, Lug, Double Flanged (RF, RTJ) |
| Operating Temperature | -29°C to 425°C (-20°F to 800°F) |
| Leakage Rate | ANSI/FCI 70-2 Class VI (Bubble-tight) or better |
| Actuation Options | Lever, Worm Gear, Electric Actuator, Pneumatic Actuator |
Benefits for Your Marine Application:
- Enhanced System Reliability: The superior sealing performance minimizes the risk of leaks in critical fuel and lube oil lines, preventing operational downtime, environmental contamination, and safety hazards.
- Reduced Lifecycle Costs: The durable metal seat and low-wear design translate to a longer service life, significantly reducing the frequency and cost of maintenance and replacement compared to resilient-seated or double eccentric valves.
- Operational Flexibility: The bidirectional sealing and wide pressure/temperature range allow for versatile installation in various points within the ship's oil handling system, from bunkering lines to engine supply lines.
- Simplified Installation and Maintenance: The compact and lightweight design compared to gate valves makes installation easier. The maintenance-friendly design often allows for seat replacement without removing the valve body from the pipeline.
Backed by our ISO9001-certified quality management system and nearly a decade of manufacturing expertise, Shanghai Zhibang delivers valves that meet stringent international standards. With an annual export value consistently between US$1 Million and US$1.5 Million, our products have gained the trust of clients across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and beyond. We ship efficiently from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing. For a robust, reliable, and high-performance sealing solution for your marine fuel and lubricating oil systems, our Triple Eccentric Butterfly Valve stands ready to deliver. Contact us today for a detailed quotation or to discuss your specific project requirements.
Frequently Asked Questions (FAQ):
-
Q: What makes a triple eccentric butterfly valve different from a standard or double eccentric one?
A: The key difference lies in the geometry. A triple eccentric design incorporates three distinct offsets: the shaft is offset from the seat centerline (1st), the shaft is offset from the pipeline centerline (2nd), and the seat cone angle is tilted relative to the valve centerline (3rd). This creates a cam-action, frictionless operation that ensures metal-to-metal contact only at full closure, offering superior sealing and much longer life, especially for high-pressure/temperature applications like fuel oil systems. -
Q: Is this valve suitable for both fuel oil and lubricating oil service?
A: Absolutely. The valve's material options (corrosion-resistant alloys), robust metal seat design, and capability to handle the viscosities and potential contaminants in both fuel and lube oils make it an excellent all-around choice for shipboard oil systems. -
Q: Can the valve be operated manually, or is an actuator required?
A: It can be operated in multiple ways. For smaller sizes and lower differential pressures, a manual lever or worm gear operator is common and effective. For larger valves, remote operation, or automated system integration, electric or pneumatic actuators are available as optional accessories. -
Q: What is the typical delivery lead time for these valves?
A: Lead times vary based on size, material, actuation package, and order quantity. Standard configurations often have shorter lead times. As a manufacturer, we can provide accurate timelines upon receipt of your detailed specifications. -
Q: Are spare parts like seats and seals readily available?
A: Yes. We maintain an inventory of critical spare parts for our valve models. The design often allows for in-line seat replacement, minimizing downtime during maintenance. -
Q: Do you offer custom coatings or specific material grades for special applications?
A: Yes, customization is a key strength. We can work with you to specify special coatings (e.g., epoxy, galvanization), exotic alloys, or modified dimensions to meet unique project specifications or combat particularly aggressive service conditions. -
Q: How do I select the correct pressure rating (Class 150 vs. Class 300) for my application?
A: Selection depends on the maximum working pressure and temperature in your system. Class 300 valves are designed for higher pressure applications. Our technical team can assist you in selecting the appropriate rating based on your system design parameters. -
Q: What documentation accompanies the valves upon shipment?
A: Standard documentation includes a material test certificate, dimensional drawing, operation manual, and packing list. Additional certificates, such as NDT reports, can be provided 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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