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Help CenterDN15-DN150 Marine Ball Valve for High Temperature 425℃ Applications
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As a leading manufacturer with ISO 9001 certification, Shanghai Zhibang Valve is proud to introduce our specialized DN15-DN150 Marine Ball Valve, engineered to deliver reliable performance in demanding high-temperature environments up to 425°C. Designed for the rigorous conditions of marine and offshore applications, this valve series combines robust construction with precise engineering to ensure long-term sealing integrity and operational safety. Our years of experience in valve manufacturing and a strong export presence across global markets, including North America, Southeast Asia, and Europe, underscore our commitment to quality and customer satisfaction. We understand the critical nature of fluid control in high-heat scenarios, and our valve is built to meet those challenges head-on.
This high-temperature marine ball valve is constructed to handle extreme thermal cycling and aggressive media without compromising its sealing capability. Key features and specifications include:
- Superior High-Temperature Performance: Specifically designed with materials and a sealing system that maintain functionality and prevent leakage at sustained temperatures of 425°C, making it ideal for steam lines, hot oil systems, and exhaust applications.
- Robust Construction for Marine Use: Built to withstand corrosive marine atmospheres, vibration, and frequent operation. Materials are selected for their corrosion resistance and mechanical strength in saline environments.
- Reliable Metal Seated Design: Utilizes advanced metal-to-metal seating (with optional PTFE for lower temperature services) to ensure a bubble-tight seal even after prolonged exposure to high heat, where soft seals would degrade.
- Versatile Configuration Options: Available in a full range of sizes from DN15 (1/2") to DN150 (6") to suit various pipeline dimensions. Can be configured with different end connections, operation methods, and pressure ratings to match your specific system requirements.
- Enhanced Safety Features: Options include a fire-safe design that meets relevant standards, blow-out proof stems, and locking devices for secure operation in critical applications.
The technical advantages of this valve translate into direct benefits for your operations:
- Reduced Maintenance & Downtime: The durable design minimizes wear and tear, leading to fewer replacements and lower lifecycle costs.
- Improved System Safety & Integrity: Reliable sealing at high temperatures prevents dangerous leaks, protecting personnel, equipment, and the environment.
- Flexibility in System Design: The wide range of available sizes, pressure ratings, and actuation methods allows for easy integration into both new and existing piping systems.
Below is a summary of key specifications for the standard model range:
| Specification | Details |
|---|---|
| Size Range | DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150 |
| Pressure Rating (Standard) | PN16, PN25, PN40 (Higher ratings like PN64, PN100 available) |
| Max Operating Temperature | 425°C (797°F) |
| Body Material (Typical) | WCB Carbon Steel, CF8/CF8M Stainless Steel, WC6/ WC9 Alloy Steel |
| Seat & Seal Material | Metal (Stellite), Reinforced Graphite, PTFE (for temps <200°C) |
| Operation | Manual Lever, Gearbox, Pneumatic/Hydraulic/Electric Actuator |
| End Connection | Flanged (RF, RTJ), Threaded (NPT, BSP), Butt Weld |
| Design Standard | API 608, API 6D, BS 5351, ISO 17292 |
Trust in a product backed by a manufacturer with a proven track record. Shanghai Zhibang Valve Manufacture Co., Ltd., established in 2016, holds ISO 9001 certification, ensuring a consistent and controlled quality management system for every valve we produce. With an annual export value between US$1-1.5 Million, we serve a diverse and demanding global clientele across continents, from North America and Europe to Southeast Asia and Africa. This extensive market experience means our valves are tested and trusted in a wide variety of applications. We offer flexible shipment options from major ports including Shanghai, Guangzhou, and Hong Kong. For a valve solution that delivers uncompromising performance under high heat and harsh marine conditions, contact us today to discuss your project requirements or to request a detailed quotation.
Frequently Asked Questions (FAQ):
-
Q: What makes this ball valve suitable for 425°C applications when standard ball valves are not?
A: Standard ball valves often use polymer seats (like PTFE) that degrade above 200°C. Our valve is specifically engineered with metal seats (e.g., Stellite) and high-temperature stem seals (like reinforced graphite) that retain their sealing properties and mechanical strength at 425°C. -
Q: Can this valve be used in cryogenic or very low-temperature services?
A: While optimized for high temperatures, the materials used (particularly certain stainless steel grades) can often accommodate low temperatures. Please consult with our technical team for specific low-temperature requirements to confirm suitability and possible material adjustments. -
Q: Are these valves fire-safe certified?
A: A fire-safe design is available as an option upon request. This design includes features like secondary metal seals that maintain sealing integrity in the event of a fire, meeting standards such as API 607/API 6FA. -
Q: What types of actuators can be fitted to this valve?
A> The valve is designed for easy integration with a variety of actuators. We can supply or recommend manual gear operators, as well as pneumatic, hydraulic, or electric actuators to suit your automation and control system needs. -
Q: What is the typical lead time for an order of DN100 valves?
A: Lead times vary based on order quantity, specific material grade, and configuration (e.g., actuation). Standard configurations often have shorter lead times. Please provide your detailed requirements for an accurate delivery schedule. -
Q: Do you provide documentation like test reports and material certificates?
A: Yes, as an ISO 9001 certified manufacturer, we provide comprehensive documentation packages. This can include material test certificates, pressure test reports, and dimensional inspection reports as per customer requirements. -
Q: How does the valve perform with abrasive or corrosive media at high temperature?
A> For abrasive or highly corrosive media, we recommend selecting specific material trims, such as hardened seats or higher alloy stainless steels (e.g., CF8M for chlorides). Discussing the exact media composition with our engineers allows us to propose the most resistant and cost-effective material combination. -
Q: Is the valve suitable for both on/off and throttling service at high temperatures?
A: While ball valves are primarily designed for on/off service, they can be used for moderate throttling. However, in high-temperature applications, throttling can accelerate wear on the seats and ball. For frequent throttling control, we might recommend alternative valve types or specific design considerations.
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