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Reliable Gate Valve For Steam Tracing Lines In Shipboard Heating Systems
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Engineered for shipboard steam tracing, this gate valve ensures reliable isolation in heating systems. It features robust, corrosion-resistant construction, a thermal-cycling-resistant seal, and clear open/close indication. Available in various sizes, pressures, and connections, it enhances safety, reduces maintenance, and is backed by ISO9001 quality assurance for global marine applications.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Other, Cast steel or stainless steel
Application:
Other, Shipboard heating and steam tracing systems
Connection Type:
Flanged, threaded, or welded ends
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Material
Other, Cast steel or stainless steel
Application
Other, Shipboard heating and steam tracing systems
Connection Type
Flanged, threaded, or welded ends
Pressure Rating
Class 150 to Class 600
Size Range
DN15 to DN300 (1/2“ to 12“)
Temperature Range
Up to 425°C (800°F)
Operation Type
Manual handwheel or gear operated
Design Standard
API 600, API 602, BS 1414
Seat Type
Metal seated for high temperature
Stem Design
Rising stem, outside screw and yoke (OS&Y)
As a dedicated manufacturer with a strong focus on industrial fluid control, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our specialized gate valve engineered for the demanding environment of steam tracing lines within shipboard heating systems. Established in 2016, we have built a reputation for delivering robust and reliable valve solutions that meet the stringent requirements of the global marine and offshore industries. Our annual export value of US$1-1.5 million reflects the trust placed in us by clients across North America, Southeast Asia, Europe, and beyond. This particular valve is designed to provide secure, long-lasting isolation in critical heating circuits, ensuring operational safety and thermal efficiency for vessels worldwide.
Steam tracing lines are vital for maintaining process temperatures and preventing fluid freeze-ups in a ship's piping systems. The gate valves used in these applications must withstand constant thermal cycling, high pressures, and corrosive marine atmospheres. Our valve is meticulously crafted to excel in these conditions, offering superior performance where reliability is non-negotiable.
Key Features and Technical Advantages:
- Robust Construction for Marine Duty: The valve body is typically manufactured from high-grade cast steel (WCB) or stainless steel (CF8/CF8M), selected for its excellent strength and corrosion resistance in salty, humid environments. The internal components, including the wedge and seats, are made from hardened alloys to resist wear and erosion from high-velocity steam.
- Superior Sealing Under Thermal Stress: Featuring a flexible wedge or parallel slide design, the valve compensates for thermal expansion and contraction of the valve body and seat rings. This design ensures a bubble-tight seal even after repeated cycling between ambient and high operating temperatures, preventing steam leaks that compromise system efficiency.
- Designed for Easy Operation and Maintenance: The outside screw and yoke (OS&Y) rising stem design provides a clear visual indication of the valve position (open or closed), a critical safety feature. The large, ergonomic handwheel or optional gear operator allows for smooth operation, even under high differential pressures, reducing operator effort and maintenance downtime.
- Versatile Connection and Pressure Ratings: To facilitate integration into various shipboard piping layouts, the valve is available with flanged (RF or RTJ), threaded, or welded end connections. It is designed to meet standard pressure classes, ensuring compatibility with international piping specifications.
Technical Specifications Table:
| Parameter | Specification / Option |
| Primary Body Material | A216 WCB, A351 CF8, A351 CF8M |
| Size Range (Nominal) | DN15 (1/2") to DN300 (12") |
| Pressure Class | Class 150, 300, 600 (PN16 to PN100) |
| Max Operating Temperature | Up to 425°C (800°F) depending on material |
| Seat & Wedge Material | 13% Cr Stainless Steel, Stellite Hardfaced |
| Stem Material | A182 F6a or A182 F316 |
| End Connection | Flanged (RF/RTJ), Threaded (NPT), Butt Weld |
| Operation | Manual Handwheel, Gear Operator (Optional) |
| Design & Test Standards | API 600, API 598, BS 1414, ISO 5208 |
Benefits for Your Operations:
- Enhanced System Reliability: Minimizes the risk of unexpected shutdowns due to valve failure in critical heating lines, supporting continuous vessel operation.
- Reduced Lifecycle Costs: Durable construction and reliable sealing translate to lower maintenance frequency, reduced spare part inventory, and longer service intervals.
- Improved Safety: The secure shut-off capability prevents uncontrolled steam release, protecting personnel and equipment. The clear open/close indication adds an extra layer of operational safety.
- Global Compliance and Sourcing Ease: Manufactured under an ISO9001 certified quality management system, our valves are designed to meet international marine standards. With major shipment ports in Shanghai, Guangzhou, Hong Kong, and Beijing, we ensure timely and efficient logistics to your global shipyards or ports.
Choosing Shanghai Zhibang's gate valve for your ship's steam tracing lines is a decision backed by our commitment to quality and global experience. Our ISO9001 certification underpins every stage of production, from material sourcing to final testing. With a proven track record of supplying to diverse markets across six continents, we understand the unique challenges of marine applications. This valve embodies our dedication to providing solutions that deliver not just a product, but operational peace of mind. Contact us today to discuss your specific requirements, request detailed specifications, or to place an order for a reliable component that will stand the test of time and the elements.
Frequently Asked Questions (FAQ):
-
Q: What makes this gate valve suitable for steam tracing applications compared to a standard valve?
A: This valve is specifically engineered for high-temperature thermal cycling. It features a flexible wedge or specially designed seats to maintain a tight seal despite expansion and contraction, and uses materials resistant to steam erosion, which are not always prioritized in standard valves. -
Q: Can this valve be used with other media besides steam in a heating system?
A: While optimized for steam, its robust construction makes it suitable for other hot fluids like thermal oil or hot water within its specified pressure and temperature ratings. Please consult our technical team for media compatibility confirmation. -
Q: What are the available actuator options if manual operation is not desired?
A: For remote or automated control, the valve can be fitted with electric or pneumatic actuators. These are offered as optional accessories and can be configured to your specific control signal requirements. -
Q: How do I determine the correct pressure class (150, 300, 600) for my application?
A: The pressure class should be selected based on the maximum operating pressure and temperature of your steam tracing line. It must equal or exceed the pressure rating of the adjacent piping. Providing your system's design pressure and temperature allows us to recommend the appropriate class. -
Q: What is the typical lead time for orders, and what packaging is used for export?
A: Lead times vary based on order quantity and specification. Standard configurations typically have shorter lead times. For export, valves are individually packaged in wooden crates or boxes with anti-corrosion protection to ensure they arrive in perfect condition. -
Q: Do you provide documentation like material test certificates and pressure test reports?
A> Yes, we provide comprehensive documentation packages. This can include material chemical and mechanical test certificates (MTC), factory pressure test reports, and certificates of conformity. These are available upon request. -
Q: Is this valve suitable for use in other offshore or coastal industrial facilities, not just ships?
A: Absolutely. The corrosion-resistant materials and robust design make it an excellent choice for any offshore platform, coastal power plant, or industrial facility requiring reliable steam isolation in a marine environment. -
Q: What is your policy for technical support and after-sales service?
A: We offer pre-sales technical consultation to help select the right valve. Our after-sales support includes assistance with installation guidelines, troubleshooting advice, and the supply of genuine spare parts to ensure optimal long-term performance.
Send Inquiry to This Supplier
1Yr
Business Type
Manufacturer
Year Established
2016
Annual Export Value
US$1 Million - US$1.5 Million
Product Certifications
ISO9001
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