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As a leading manufacturer with a solid track record since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd specializes in engineering high-performance fluid control solutions for demanding marine environments. Our Non-Standard Marine Butterfly Valve is meticulously designed for critical applications in shipboard fuel oil transfer lines, where reliability, safety, and precise flow control are paramount. We understand that off-the-shelf valves often fall short of the unique spatial, pressure, and material compatibility requirements of modern vessels. Therefore, we offer fully customizable butterfly valves engineered to meet your specific system specifications, ensuring seamless integration and optimal performance. Backed by our ISO9001 certified quality management system and an annual export value ranging between US$1 Million and US$1.5 Million, we deliver robust, dependable valves trusted by clients across North America, South America, Europe, Asia, Africa, and Oceania.
This valve is engineered to handle the specific challenges of marine fuel oil transfer, including variable viscosities, potential contaminants, and the corrosive marine atmosphere. Its non-standard design allows for perfect adaptation to existing pipework layouts, space constraints, and operational protocols on board.
Key Features & Technical Advantages:
- Fully Customizable Design: We move beyond standard dimensions and configurations. Our engineering team works with you to tailor the valve's port size, face-to-face length, flange standards, and actuation method to fit your exact piping layout and operational needs.
- Superior Sealing for Fuel Oil: The valve employs advanced seat materials such as reinforced PTFE or metal seats, providing bubble-tight shut-off even with varying fuel oil grades and temperatures, preventing leaks and ensuring environmental safety.
- Robust Construction for Marine Duty: The valve body is crafted from high-grade materials like cast steel, stainless steel (CF8M/CF3M), or duplex steel, offering exceptional resistance to corrosion from saltwater spray and chemical attack from fuel.
- Optimized Disc Design: The disc profile is hydrodynamically optimized to minimize pressure drop across the valve, ensuring efficient fuel transfer and reducing pump energy consumption.
- Versatile Actuation Options: Available with manual lever, gear operator, pneumatic actuator, or electric actuator, allowing for local or remote control integration into the ship's automation system.
- Extended Service Life: Precision-machined components, high-quality stem seals, and corrosion-resistant coatings contribute to a long operational lifespan with minimal maintenance, even in harsh conditions.
Technical Specifications Table:
| Parameter | Specification / Options |
|---|---|
| Design Standard | Custom per client requirements; Common references: API 609, MSS SP-67/68 |
| Size Range (Nominal Diameter) | DN50 to DN600 (2" to 24") - Other sizes available upon request |
| Pressure Class | PN10, PN16, PN25, PN40 / ANSI Class 150, 300 |
| Body Material | WCB, CF8M (316SS), CF3M (316L SS), Duplex 2205, WCC |
| Disc Material | Same as body or 316SS, Al-Bronze, Duplex Steel |
| Seat Material | PTFE, Reinforced PTFE, EPDM, Viton, Metal Seat (Stainless Steel) |
| Stem Material | Stainless Steel (17-4PH, 316), Monel, with corrosion protection |
| Connection Type | Wafer, Lug, Double Flange (RF, FF, RTJ) |
| Operating Temperature | -20°C to 200°C (-4°F to 392°F) dependent on seat material |
| Actuation | Manual (Lever, Gear), Pneumatic (Double-acting/Spring-return), Electric |
Benefits for Your Operation:
- Perfect System Fit: Eliminates installation headaches and costly modifications by providing a valve built to your exact dimensional and performance specifications.
- Enhanced Safety & Environmental Compliance: Reliable shut-off prevents fuel spills, protecting both the crew and the marine environment, and helping meet stringent maritime regulations.
- Operational Efficiency: Low torque operation and optimized flow characteristics ensure smooth, energy-efficient fuel transfer, contributing to lower operational costs.
- Reduced Maintenance & Downtime: Durable construction and quality materials translate to fewer failures and longer intervals between maintenance, maximizing vessel availability.
- Global Support & Supply: With major shipment ports in Shanghai, Guangzhou, Hong Kong, and Beijing, we ensure timely delivery to shipyards and operators worldwide.
Choosing Shanghai Zhibang means partnering with a dedicated manufacturer whose core competency is solving complex valve challenges. Our ISO9001 certification is a testament to our unwavering commitment to quality control in every valve we produce. Serving a global clientele across continents, from Eastern Europe to Southeast Asia, and from North America to Oceania, we have proven our ability to meet diverse international standards and project requirements. Our consistent annual export performance underscores our reliability as a supplier. For your next vessel build, retrofit, or repair project, trust our Non-Standard Marine Butterfly Valves to deliver the precise, reliable, and durable performance your shipboard fuel oil transfer lines demand. Contact us today to discuss your specific requirements and receive a tailored engineering proposal.
Frequently Asked Questions (FAQ):
-
Q: What exactly does "Non-Standard" mean for this butterfly valve?
A: "Non-Standard" means the valve is not a pre-made, catalog item. We customize critical dimensions (face-to-face, flange drilling), materials, pressure ratings, and actuation to match your specific piping drawings and operational parameters, ensuring a perfect fit and function. -
Q: Can this valve handle different types of marine fuel oils, like MGO and HFO?
A: Yes. By selecting the appropriate seat and body material (e.g., metal seats for high temperatures of HFO, compatible elastomers for MGO), the valve can be configured to reliably handle a wide range of fuel oil viscosities and temperatures. -
Q: What is the typical lead time for a custom non-standard valve order?
A: Lead time varies based on complexity and material availability. Generally, it ranges from 4 to 8 weeks after final design approval. We provide a detailed schedule upon quotation. -
Q: Do you provide documentation like material certificates and test reports?
A> Yes. As an ISO9001 certified manufacturer, we provide full traceability documentation, including material mill certificates, pressure test reports (shell & seat), and a comprehensive inspection report as standard. -
Q: How do I provide the specifications for a custom valve?
A> You can provide piping isometric drawings, P&IDs, a detailed datasheet with required size, pressure class, material specs, connection type, actuation needs, and any applicable standards (e.g., ship classification society rules). Our engineers will review and propose a solution. -
Q: Are your valves approved by major marine classification societies?
A> While we hold ISO9001 certification, specific class approvals (like ABS, DNV, LR, etc.) are typically project-specific. We have experience manufacturing valves to meet these standards and can guide you on the approval process for your project. -
Q: What after-sales support do you offer?
A> We provide technical support for installation and operation. A full set of operation & maintenance manuals is supplied with each valve. Spare parts, including seals and gaskets, are available for order. -
Q: Can you supply the valve with pre-mounted actuators and control accessories?
A> Absolutely. We offer a complete package, mounting pneumatic or electric actuators, positioners, limit switches, and other accessories as per your system design, providing a ready-to-install unit.
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