Contact Platform Support
Help CenterCarbon Steel Marine Gate Valve Compliant With GB/T Standard, DN300 Size for Large Ship Systems
Product Spotlights
Related Products
-
Marine Gate Valve in Carbon Steel for Shipboard Steam and Water Service, GB/T CompliantNegotiableMOQ: 1 Unit -
GB/T Marine Gate Valve in Carbon Steel, PN6.4MPa High Pressure Rating for Steam LinesNegotiableMOQ: 1 Unit
-
GB/T Standard Marine Cast Iron Gate Valve With Flanged End, DN50-DN300 PN16NegotiableMOQ: 1 Unit
-
Flanged Cast Iron Gate Valve for Marine Applications, Pressure Rating PN10/PN16NegotiableMOQ: 1 Unit
-
Ship Engine Room Seawater Line Cast Iron Gate Valve, GB/T Standard, FlangedNegotiableMOQ: 1 Unit
As a dedicated manufacturer since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in producing high-performance industrial valves for demanding applications worldwide. Our Carbon Steel Marine Gate Valve, compliant with the GB/T standard and sized at DN300, is engineered specifically for the rigorous requirements of large ship systems. This valve represents our commitment to delivering reliable, durable, and standards-compliant solutions that ensure the safe and efficient operation of critical marine piping networks. With an annual export value reflecting our global reach and trust, we provide valves that meet the exacting needs of shipbuilders, ship operators, and marine engineering contractors across diverse international markets.
This DN300 Marine Gate Valve is a cornerstone component for controlling fluid flow in large-scale maritime installations. Its design and construction offer distinct advantages:
- Robust Construction: Manufactured from high-grade carbon steel, the valve body and internal components offer superior strength and resistance to the corrosive marine environment and high-pressure conditions common in ship systems.
- Precision Flow Control: The gate valve design provides a straight-through flow path when fully open, minimizing pressure drop and turbulence. When closed, it offers a tight seal for complete isolation of pipeline sections.
- Standard Compliance: Compliance with the GB/T national standard ensures the valve meets specific dimensions, performance thresholds, and testing requirements, providing assurance of quality and interoperability within standardized systems.
- Large Diameter Capacity: The DN300 (approximately 300mm nominal diameter) size is ideal for main pipelines, ballast systems, fuel transfer lines, and other large-diameter applications on vessels.
- Durable Sealing: The sealing mechanism is designed for long service life, reducing maintenance frequency and operational downtime.
- Operational Flexibility: Suitable for manual or actuator-operated configurations, allowing integration into various control schemes.
The technical specifications and configuration details of this valve are tailored for marine use. Below is a summary of key parameters:
| Attribute | Specification / Description |
| Primary Material | Carbon Steel (Body, Bonnet, Gate) |
| Nominal Size (DN) | 300 |
| Standard Compliance | GB/T (Specific sub-standard can be specified) |
| Connection Type | Flanged (Standard configuration) |
| Sealing Type | Metal-to-metal or soft seal (Optional) |
| Operation Method | Manual Handwheel or Actuator (Customizable) |
| Pressure Class | Available upon request (e.g., PN16, PN25) |
| Temperature Range | Customizable based on material grade and seal selection |
| Surface Treatment | Paint or coating for corrosion protection (Standard) |
For our clients, the benefits are clear and tangible:
- System Reliability: A dependable valve reduces the risk of leaks or failures in critical ship systems, enhancing overall vessel safety and operational continuity.
- Long-Term Cost Efficiency: The durable construction minimizes replacement needs and maintenance costs over the valve's lifespan.
- Simplified Procurement: Compliance with a recognized standard (GB/T) simplifies specification, approval, and installation processes within projects that require or accept this standard.
- Global Supply Support: With shipment capabilities from major ports like Shanghai, Guangzhou, Hongkong, and Beijing, we ensure timely logistics to your project locations worldwide.
- Application Confidence: Its design for large ship systems means it is tested and proven for the specific challenges of maritime environments.
Shanghai Zhibang's operational backbone provides strong trust assurances for your procurement decision. Our ISO9001 certification underpins a systematic quality management process for every valve produced. With an established manufacturing history since 2016 and a consistent annual export value, we have built a reputation for reliability among clients in North America, South America, Europe, Asia, Africa, and Oceania. This DN300 Carbon Steel Marine Gate Valve embodies that experience – it is a product designed not just to function, but to perform reliably under pressure for years. We encourage you to contact us for detailed specifications, pressure rating options, or to discuss custom requirements for your specific large ship system application.
FAQ
Q: What does "DN300" mean for this gate valve?
A: DN300 refers to the nominal diameter of the valve, which is approximately 300 millimeters. It indicates the size of the pipeline connection the valve is designed for, making it suitable for large-diameter piping systems on ships.
Q: Is this valve suitable for seawater applications?
A: The carbon steel construction provides good strength. For direct seawater service, specific corrosion-resistant coatings or material grades can be discussed and potentially applied as an option to enhance durability against seawater corrosion.
Q: Can this valve be operated automatically?
A> Yes. While typically supplied with a manual handwheel, the valve can be configured with various actuators (electric, pneumatic, hydraulic) upon request for integration into automated control systems.
Q: What pressure ratings are available for this DN300 valve?
A> Pressure ratings (e.g., PN16, PN25, etc.) are customizable based on your system requirements. Please provide your needed pressure class during inquiry for accurate specification.
Q: Does compliance with GB/T standard limit its use in international projects?
A> Not necessarily. The GB/T standard is a Chinese national standard widely recognized and accepted in many international markets, particularly in marine projects involving Chinese shipyards or components. It ensures defined quality and dimensional parameters.
Q: What are the typical applications on a ship for this size valve?
A> Common applications include main cooling water lines, large ballast system valves, fuel oil transfer lines, fire main systems, and other primary fluid handling pipelines requiring a DN300 isolation valve.
Q: What is the lead time for ordering this valve?
A> Lead times depend on order quantity and specific configuration. As a manufacturer, we can provide production schedules upon receipt of your detailed requirements.
Q: From which ports can you ship this product?
A> We can arrange shipments from Shanghai, Guangzhou, Hongkong, or Beijing ports, offering flexibility for logistics to your destination.
Send Inquiry to This Supplier
You May Also Like
-
Manual Marine Cast Iron Gate Valve, Non-Rising Stem Design, Compliant With GB/T StandardsNegotiableMOQ: 1 Unit
-
Flanged Marine Gate Valve in Carbon Steel, PN1.6-6.4MPa Pressure Rating, GB/T CompliantNegotiableMOQ: 1 Unit
-
Marine Ballast System Cast Iron Gate Valve for General Piping, Manual OperationNegotiableMOQ: 1 Unit
-
GB/T Marine Gate Valve in Cast Iron, Solid Wedge, Bolted Bonnet ConstructionNegotiableMOQ: 1 Unit
-
Marine Piping System Cast Iron Gate Valve, Full Port Design, GB/T CompliantNegotiableMOQ: 1 Unit
-
DN50 to DN300 Marine Cast Iron Flange Gate Valve, Standard Wall ThicknessNegotiableMOQ: 1 Unit
-
CB/T3591 Marine Gate Valve Production for Ship Engine Room Piping SystemsNegotiableMOQ: 1 Unit
-
Marine Gate Valve CB/T3591, Rising Stem, OS&Y Type, Flanged EndsNegotiableMOQ: 1 Unit
-
OEM Factory Producing Marine Gate Valves to CB/T3591 for Bilge and Ballast LinesNegotiableMOQ: 1 Unit
-
OEM Marine Gate Valve Manufacturer for CB/T3591 Gate Valves, A216 WCB MaterialNegotiableMOQ: 1 Unit
