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Carbon Steel Flanged Gate Valve for Ships, DN50 Size, Rising Stem, GB/T Standard Design
Product Spotlights
DN50 marine-grade gate valve crafted from durable carbon steel with a rising stem for clear visual operation. Features flanged connections for secure installation and complies with GB/T standards for reliability. Designed for demanding shipboard systems like ballast and fuel lines, offering tight shut-off, corrosion resistance, and ease of maintenance. Ideal for global maritime applications.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Material:
Carbon Steel
Application:
Other, For Ships and Marine Systems
Size:
DN50
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Material
Carbon Steel
Application
Other, For Ships and Marine Systems
Size
DN50
Stem Type
Rising Stem
Design Standard
GB/T Standard
Connection Type
Flanged
Operation
Manual (Handwheel)
Pressure Rating
Available upon request
As a dedicated manufacturer with ISO9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. brings over eight years of precision engineering to the maritime industry. Our Carbon Steel Flanged Gate Valve, DN50 Size with a Rising Stem and GB/T Standard Design, is engineered for demanding marine applications. This valve represents our commitment to providing reliable, durable, and high-performance flow control solutions that ensure operational safety and efficiency for vessels worldwide.
This valve is a cornerstone for critical piping systems onboard ships, offering robust shut-off capabilities. Its design prioritizes longevity and maintenance ease in harsh marine environments.
Core Features & Technical Advantages:
- Superior Construction: Manufactured from high-grade carbon steel, this valve offers excellent resistance to corrosion and mechanical stress, ensuring a long service life even when exposed to seawater and variable pressures.
- Precise Flow Control: The rising stem design provides a clear visual indication of the valve position (open or closed), enhancing operational safety and preventing accidental mishandling.
- Reliable Sealing: Engineered with a tight-sealing wedge or gate, it ensures zero leakage when fully closed, which is critical for system integrity and environmental protection.
- Standard Compliance: Built in accordance with GB/T standards, it guarantees dimensional interchangeability and performance reliability, meeting common specifications for marine fittings.
- Easy Installation & Maintenance: The flanged ends allow for secure, bolt-on connections to existing piping, simplifying installation and future servicing.
- Versatile Application: Suitable for a wide range of onboard systems including ballast, bilge, cooling water, fuel oil, and general service lines.
Detailed Specifications:
| Parameter | Specification |
| Product Type | Flanged Gate Valve |
| Nominal Size (DN) | 50 |
| Stem Type | Rising Stem (OS&Y) |
| Body Material | Carbon Steel (WCB or equivalent) |
| Design Standard | GB/T (e.g., GB/T 12234) |
| Connection | Flanged, RF (Raised Face) or FF (Flat Face) available |
| Operation | Manual Handwheel |
| Seat & Seal Material | Stainless Steel / Flexible Graphite (Standard) |
| Pressure Class | PN16, PN25, or Class 150 (Customizable) |
| Temperature Range | Suitable for standard marine fluid temperatures |
Benefits for Your Operations:
- Enhanced Safety: The reliable shut-off function prevents backflow and contains fluids, protecting personnel and equipment.
- Reduced Downtime: Durable construction and standardized design minimize failure rates and simplify spare part procurement.
- Cost-Effective Solution: The balance of performance, durability, and competitive pricing offers excellent long-term value.
- Global Compatibility: Supplied from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, we ensure timely delivery to your global operations.
FAQ (Frequently Asked Questions)
-
Q: Is this valve suitable for seawater service?
A: Yes, the carbon steel body, when combined with appropriate coatings or cathodic protection as part of the ship's system, is commonly used for seawater applications. Specific material grades can be discussed for highly corrosive duties. -
Q: What is the main advantage of a rising stem design?
A: The rising stem provides a clear, visual confirmation of the valve's open/closed status, which is a critical safety feature, preventing misoperation. It also tends to keep the threads clean and free from system fluids. -
Q: Can you provide valves with different flange standards (ANSI, JIS)?
A: While this model is designed to GB/T standards, we can often accommodate requests for other flange dimensions or face types. Please contact us with your specific requirements. -
Q: What pressure ratings are available for the DN50 size?
A> Standard ratings include PN16 and PN25 (or Class 150). The specific pressure class should be selected based on your system's maximum working pressure. -
Q: How does the ISO9001 certification benefit me as a buyer?
A: Our ISO9001 certification assures you that our manufacturing processes are consistently controlled and audited, leading to reliable product quality, traceability, and professional customer service. -
Q: Are spare parts like gland packing or gaskets readily available?
A: Yes. We maintain an inventory of common spare parts and can supply them separately. The valve's standardized design also means compatible parts are widely available. -
Q: What is the typical lead time for an order of these valves?
A: Lead time depends on order quantity and specific configuration. For standard DN50 valves, we often have stock or short production cycles. We provide accurate timelines upon receipt of your inquiry. -
Q: Do you offer any surface treatment or coating for extra corrosion protection?
A: Standard finishes are available. Additional protective coatings like epoxy, galvanization, or specialized paints can be applied upon request to meet specific environmental needs.
Trust in a supplier with a proven track record. Since 2016, Shanghai Zhibang has exported high-quality valves across continents, serving markets in North and South America, Europe, Asia, Africa, and Oceania. Our annual export value reflects the consistent trust of international clients. This Carbon Steel Flanged Gate Valve embodies our expertise—delivering a product that combines robust construction, maritime-grade reliability, and standard compliance. For a flow control solution that enhances the safety and efficiency of your marine operations, contact us today to discuss your requirements or request a detailed quotation.
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1Yr
Business Type
Manufacturer
Year Established
2016
Annual Export Value
US$1 Million - US$1.5 Million
Product Certifications
ISO9001
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