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Help CenterFactory Direct Marine Triple Eccentric Butterfly Valve With Technical Support Available
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As a leading manufacturer with over 8 years of specialized experience, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents its factory-direct Marine Triple Eccentric Butterfly Valve. Engineered for the most demanding marine and industrial applications, our valves are designed to deliver exceptional sealing performance, long-term reliability, and zero maintenance under harsh conditions. We combine advanced manufacturing with direct customer support, ensuring you receive not just a product, but a comprehensive fluid control solution backed by expert technical guidance.
Our Triple Eccentric Butterfly Valves stand out due to their unique geometric design, which eliminates friction between the seat and disc during operation. This fundamental principle translates into tangible benefits for your operations.
- Bubble-Tight Shut-Off: The triple eccentric design ensures a metal-to-metal or metal-to-resilient seal that achieves zero leakage, even after thousands of cycles, making it ideal for critical isolation services on ships and offshore platforms.
- Extended Service Life & Reduced Maintenance: By preventing wear from friction, the valve components last significantly longer. This design drastically cuts downtime and total cost of ownership, a crucial factor for marine vessels where unscheduled repairs are costly.
- High Pressure & Temperature Capability: Unlike standard butterfly valves, our triple eccentric valves are built to handle higher pressure classes (PN63/Class 600) and a wide temperature range, suitable for steam, hot oil, seawater, and other challenging media.
- Corrosion Resistance for Marine Use: We offer a variety of material combinations, including stainless steel (316/316L), duplex/super duplex steels, and special coatings, to withstand corrosive seawater, ballast water, and chemical cargoes.
- Versatile Actuation Options: The valve can be easily fitted with manual levers, gear operators, or automated actuators (electric/pneumatic) for remote operation, integrating seamlessly into modern ship automation systems.
To help you specify the right valve, here are some of our standard technical parameters:
| Parameter | Specification / Options |
|---|---|
| Design Standard | API 609, ISO 10631, EN 593, ASME B16.34 |
| Size Range (Nominal Diameter) | DN50 (2") to DN1200 (48"), with larger sizes up to DN2000 (80") available |
| Pressure Rating | PN10, PN16, PN25, PN40, PN63 / ANSI Class 150, 300, 600 |
| Body Material | WCB, CF8 (304), CF8M (316), CF3M (316L), Duplex 2205, WCC, LCB |
| Disc & Stem Material | Stainless Steel (410, 316), Monel, Hastelloy, or coated carbon steel |
| Seat Material | Metal Seat (Stainless Steel, Stellite), PTFE, Reinforced PTFE, Graphite |
| End Connection | Wafer, Lug, Double Flange (RF, RTJ), Butt Weld |
| Operating Temperature | Standard: -29°C to +425°C; Special designs for cryogenic or high-temp (up to 800°C) |
| Face-to-Face | Per API 609 or ISO 5752 Series 20 |
The advantages of choosing our factory-direct model are clear. You eliminate middleman markups, gaining competitive pricing without compromising on quality. Our ISO9001-certified manufacturing process guarantees consistent quality control from raw material inspection to final pressure testing. Furthermore, our dedicated technical support team is available to assist with selection, installation guidance, and troubleshooting, ensuring optimal valve performance throughout its lifecycle.
With an annual export value between US$1 Million and US$1.5 Million, Shanghai Zhibang has established a strong global footprint, supplying reliable valves to clients across North America, South America, Europe, Asia, Africa, and Oceania. Our products are shipped from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring efficient logistics. When you partner with us, you are not just buying a valve; you are investing in a durable, high-performance component backed by a manufacturer's warranty and direct engineering support. Contact us today for a detailed quotation or to discuss your specific application requirements.
Frequently Asked Questions (FAQ)
Q1: What is the main advantage of a triple eccentric design over a standard butterfly valve?
A: The primary advantage is frictionless operation and superior sealing. The triple offset geometry ensures the disc only contacts the seat at the final point of closure, eliminating wear and enabling bubble-tight shut-off, especially for high-pressure and high-temperature applications where standard valves may fail.
Q2: Are these valves suitable for seawater and ballast water systems?
A: Absolutely. We highly recommend selecting corrosion-resistant materials like 316 stainless steel, duplex stainless steel, or specially coated internals for seawater service. Our valves are commonly used in seawater cooling, ballast water management, firefighting, and bilge systems.
Q3: Can I get these valves with an electric or pneumatic actuator?
A: Yes. Our triple eccentric butterfly valves are designed to be easily coupled with a wide range of actuators. We can supply the valve as a manual unit or provide a complete actuated package (electric, pneumatic, or hydraulic) based on your control system requirements.
Q4: What pressure classes do you offer?
A: We manufacture valves for a broad spectrum of pressure ratings, from standard PN16/Class 150 to high-pressure PN63/Class 600. The specific rating depends on the size, material, and design standard you require.
Q5: Do you provide custom designs for non-standard sizes or specifications?
A: As a manufacturer, customization is one of our strengths. We can engineer valves for non-standard sizes, special face-to-face dimensions, exotic material combinations, or extreme temperatures to meet unique project specifications.
Q6: What kind of technical support do you offer?
A: Our technical support includes application engineering assistance for valve selection, material recommendation, installation and maintenance manual provision, and after-sales troubleshooting. We are committed to ensuring the valve performs as intended in your system.
Q7: What certifications do your valves have?
A: Our manufacturing facility is ISO9001 certified, ensuring a quality management system governs our entire production process. Valves can be tested and certified according to international standards like API 598. Specific certifications for marine applications (e.g., ABS, DNV, LR) are available upon request.
Q8: What is your lead time for standard and custom orders?
A: Lead times vary. For standard configurations in common sizes and materials, we often have stock or shorter production cycles. For large or fully customized orders, we provide a detailed production schedule upon order confirmation. We prioritize clear communication on delivery timelines.
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