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Help CenterMarine Ball Valve Supplied With Mill Test Report and 3-Year Warranty Against Manufacturing Defects
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As a leading manufacturer with a strong presence in the global valve market, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our premium Marine Ball Valve. Engineered for reliability in the most demanding maritime and offshore environments, this valve is supplied with a comprehensive Mill Test Report (MTR) and backed by a robust 3-year warranty against manufacturing defects. Our commitment to quality, traceability, and customer satisfaction ensures that every valve leaving our facility meets the highest international standards, providing you with a dependable solution for critical flow control applications on vessels, rigs, and coastal installations.
Our Marine Ball Valve is designed to offer exceptional performance, durability, and ease of maintenance. Here are its key features and benefits:
- Full Traceability with Mill Test Report: Each valve is accompanied by a detailed MTR, providing complete chemical and mechanical property data for all primary wetted parts. This ensures material conformity and offers peace of mind for quality-critical projects.
- Robust Construction for Harsh Environments: Manufactured from high-grade materials like carbon steel, stainless steel 316/316L, and duplex steel, the valve body and components are built to resist corrosion from seawater, chemicals, and atmospheric exposure.
- Superior Sealing Performance: Features advanced seat materials such as PTFE or reinforced PTFE, ensuring a bubble-tight seal, low operating torque, and excellent resistance to wear and a wide range of media.
- Fire-Safe Design Option: Available with fire-safe features in accordance with API 607/API 6FA standards, where secondary metal seals engage to maintain isolation in the event of a fire, protecting personnel and assets.
- Versatile Actuation Options: Can be supplied as a manual valve with lever or gear operator, or configured with pneumatic, electric, or hydraulic actuators for remote and automated control systems.
- Anti-Static and Blow-Out Proof Stem: The stem design incorporates features to prevent static electricity buildup and ensures it cannot be blown out under pressure, enhancing operational safety.
Below is a summary of common technical specifications. Custom configurations are available upon request to meet your specific project requirements.
| Parameter | Specification |
|---|---|
| Size Range | DN15 to DN600 (1/2" to 24") |
| Pressure Rating | PN16, PN25, PN40, PN63, PN100 / Class 150, 300, 600 |
| Body Material | WCB, CF8, CF8M, CF3, CF3M, Duplex 2205, Super Duplex |
| Ball & Stem Material | SS304, SS316, 17-4PH, Duplex Steel |
| Seat & Seal Material | PTFE, RPTFE, PEEK, Metal (for fire-safe) |
| End Connection | Flanged (RF, RTJ), Threaded (NPT, BSP), Butt Weld |
| Temperature Range | -29°C to +200°C (standard seats), higher ranges available |
| Operation | Manual Lever, Worm Gear, Pneumatic Actuator, Electric Actuator |
| Design Standard | ISO 17292, API 6D, BS 5351, ASME B16.34 |
| Face-to-Face | ISO 5752, ASME B16.10 |
The advantages of choosing our Marine Ball Valve extend beyond its specifications. It delivers tangible benefits for your operations, including reduced maintenance downtime due to its robust design, enhanced system safety through reliable shut-off, and long-term cost savings from its extended service life. The included 3-year warranty is a testament to our confidence in its manufacturing quality, protecting your investment against unforeseen defects.
With an annual export value between US$1 Million and US$1.5 Million and a presence in major markets across North America, South America, Europe, Asia, Africa, and Oceania, Shanghai Zhibang has established itself as a trusted partner for industrial valves since 2016. Our operations are certified under the ISO9001 Quality Management System, ensuring consistent and controlled manufacturing processes. We ship efficiently from key ports like Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring timely delivery worldwide. When you choose our Marine Ball Valve, you are not just purchasing a component; you are investing in a reliable, documented, and warrantied solution supported by a manufacturer with proven global reach and a commitment to excellence. Contact us today to discuss your requirements and experience the Zhibang difference.
Frequently Asked Questions (FAQ)
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Q: What exactly is included in the Mill Test Report (MTR)?
A: The MTR is a certified document from the material mill. It provides detailed information for the valve's main pressure-containing parts (body, ball, stem), including material grade, heat number, chemical composition, and mechanical properties like tensile strength and yield strength, ensuring full traceability. -
Q: Does the 3-year warranty cover all types of failures?
A: The warranty specifically covers defects in materials and workmanship under normal service conditions as specified in our documentation. It does not cover damage from improper installation, misuse, corrosion from non-specified media, or wear and tear from normal operation. -
Q: Are these valves suitable for seawater applications?
A: Yes, they are highly suitable. We recommend materials like 316 stainless steel, duplex, or super duplex steel for excellent corrosion resistance in seawater. The specific material selection depends on the temperature, pressure, and other service conditions. -
Q: Can I get valves with specific certifications like ABS, DNV, or Lloyd's Register?
A: Yes, we can provide valves certified by major marine classification societies such as ABS, DNV, BV, LR, etc. These certifications are available upon request and may involve additional testing and documentation. -
Q: What is the typical delivery time for an order?
A: Delivery time varies based on order quantity, specification complexity, and material availability. Standard configurations typically have a shorter lead time. Please contact our sales team with your specific requirements for an accurate delivery schedule. -
Q: Do you offer actuated valve packages?
A: Absolutely. We can supply complete packages with pneumatic (single/double acting), electric (on/off or modulating), or hydraulic actuators. We ensure proper mounting, coupling, and, if requested, provide pre-wired and tested units. -
Q: What is the difference between a standard and a fire-safe ball valve?
A: A fire-safe ball valve has additional design features, like secondary metal seals, that are intended to maintain a seal even if the primary soft seals (PTFE) are damaged by fire. This is crucial for safety in hydrocarbon service. Standard valves do not have this feature. -
Q: How do I determine the correct valve size and pressure class for my application?
A> You will need the pipeline size (NPS or DN), the design pressure and temperature of your system, and the fluid media. Our technical team can assist you in selecting the appropriate size, pressure rating (e.g., Class 150, 300), and material based on this information.
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