Contact Platform Support
Help Center
Home > Industrial Equipment & Components > Valve > Gate Valve > Flanged Marine Gate Valve in Carbon Steel, PN1.6-6.4MPa Pressure Rating, GB/T Compliant
Flanged Marine Gate Valve in Carbon Steel, PN1.6-6.4MPa Pressure Rating, GB/T Compliant
Product Spotlights
Engineered for marine durability with carbon steel construction and PN1.6-6.4MPa pressure rating. Features reliable flanged connections, bidirectional sealing, and a full-bore design for minimal pressure drop. GB/T compliant and suitable for seawater, ballast, and fuel systems on vessels and offshore platforms. Offers optional coatings and actuation to meet specific project needs.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Material:
Carbon Steel
Application:
Other, Marine and Offshore Systems
Pressure Rating:
PN1.6-6.4MPa
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
Related Products
-
Marine Ballast System Cast Iron Gate Valve for General Piping, Manual OperationNegotiableMOQ: 1 Unit -
Marine Cast Iron Gate Valve With Mill Test Report, Standard CompliantNegotiableMOQ: 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
Material
Carbon Steel
Application
Other, Marine and Offshore Systems
Pressure Rating
PN1.6-6.4MPa
Connection Type
Flanged
Compliance Standard
GB/T Compliant
Valve Type
Gate Valve
Operation
Manual (others optional)
Seat Material
Metal (specifics customizable)
Design Standard
Marine industry specifications
As a dedicated manufacturer of industrial valves since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in providing robust and reliable fluid control solutions for demanding applications. Our Flanged Marine Gate Valve in Carbon Steel is engineered specifically to meet the rigorous challenges of marine and offshore environments. With an annual export value reflecting our global reach across North America, South America, Europe, Asia, and beyond, we understand the critical need for valves that offer uncompromising sealing performance, durability against corrosive elements, and ease of maintenance in remote locations. This valve represents our commitment to delivering products that ensure operational safety and efficiency for your piping systems.
Core Features and Technical Advantages:
- Rugged Carbon Steel Construction: The valve body, bonnet, and gate are manufactured from high-grade carbon steel, providing excellent mechanical strength and resistance to the stresses encountered in marine service, including vibration and potential water hammer.
- Precise Pressure Management: Designed for pressure ratings from PN1.6 to PN6.4MPa, this valve is capable of handling a wide range of system pressures found in seawater cooling lines, ballast systems, fuel oil lines, and other shipboard services.
- Reliable Flanged Connection: The flanged ends ensure a secure, leak-proof connection to the pipeline, facilitating straightforward installation, removal, and inspection. Flange dimensions can be tailored to match common international standards.
- Bidirectional Sealing Capability: The gate valve design provides tight shut-off in both flow directions, a crucial feature for systems where flow direction may change or for isolation during maintenance.
- Full Bore Design: When fully open, the valve offers a straight-through flow path with minimal pressure drop, reducing pumping costs and preventing clogging in systems carrying semi-solids or sludge.
- Rising Stem Design: The external rising stem provides a clear visual indication of the valve position (open or closed), enhancing operational safety for crew members.
- Corrosion Resistance Considerations: While carbon steel offers strength, surface treatments or coatings are available upon request to enhance corrosion resistance against saltwater spray and humid marine atmospheres.
Detailed Technical Specifications:
| Parameter | Specification / Description |
| Valve Type | Flanged Marine Gate Valve |
| Primary Body Material | Carbon Steel (A216 WCB or equivalent) |
| Pressure Rating (PN) | 1.6, 2.5, 4.0, 6.4 MPa (Standard) |
| Connection Standard | Flanged, dimensions compliant with GB/T, ANSI, or JIS standards |
| Seat & Seal Material | Standard: Metal (Stainless Steel). Resilient seats optional. |
| Stem Material | Stainless Steel (AISI 410 or 304) |
| Operation | Manual Handwheel (Standard). Gearbox, electric, or pneumatic actuator optional. |
| Flow Characteristic | Full Port, Bidirectional Flow |
| Design & Test Standards | GB/T, with testing per API 598 or equivalent for shell & seat integrity. |
Application Scenarios and Customer Benefits:
- Shipbuilding & Repair: Ideal for main and auxiliary seawater systems, fire mains, ballast systems, and tank vent lines. Its robust build reduces lifecycle costs through longevity.
- Offshore Platforms: Suitable for various utility water and process lines where reliable isolation is required. The flanged design allows for easy integration into complex pipe racks.
- Port Infrastructure: Used in dockyard piping for water supply, drainage, and fuel transfer. Compliance with GB/T standards ensures compatibility with many regional specifications.
- Power Generation (Coastal): Applicable in cooling water intake and discharge systems for coastal power plants. The pressure rating covers typical demands of these systems.
- For Ship Owners and Operators: You gain a valve with proven reliability, minimizing unscheduled downtime. The clear open/close indication enhances operational safety for your crew.
- For Engineering Procurement Contractors: We offer a cost-effective valve solution that meets technical specifications for marine projects, supported by our manufacturing quality system.
Backed by our ISO9001 certified quality management system, every Flanged Marine Gate Valve undergoes stringent production controls and testing to ensure it performs as specified. Our products are shipped globally from major ports like Shanghai, Guangzhou, and Hong Kong, supporting our presence in markets from North America and Western Europe to Southeast Asia and Africa. Choosing Shanghai Zhibang means partnering with a manufacturer focused on delivering durable, specification-compliant valves that stand up to the test of the marine environment. Contact us today to discuss your project requirements, request detailed specifications, or to learn about our customization options for size, pressure class, and actuation.
Frequently Asked Questions (FAQ):
-
Q: Is this valve suitable for seawater service?
A: The carbon steel body provides strength, but for direct, continuous seawater service, we recommend discussing optional internal coatings or alternative material trim (e.g., stainless steel seats/stems) to enhance corrosion resistance. The standard valve is designed for various marine system fluids. -
Q: What flange standards do you offer?
A: We primarily manufacture to GB/T flange standards, which are common in many markets. However, we can also produce valves with ANSI (ASME B16.5) or JIS flanges upon request. Please specify your required standard and pressure class when inquiring. -
Q: Can this valve be supplied with an actuator?
A: Yes. While the standard configuration includes a manual handwheel, we can equip the valve with electric, pneumatic, or hydraulic actuators, as well as gear operators for high-torque applications. Actuator selection depends on your available power source and required operating speed. -
Q: What is the lead time for a typical order?
A: Lead times vary based on order quantity, size, and specific customization. For standard sizes and specifications, we often maintain stock or can provide shorter production cycles. We provide a confirmed lead time with every quotation. -
Q: Do you provide documentation and certification with the valves?
A: Yes. Standard documentation includes a material test report, certificate of compliance, and a manual. Dimensional drawings and pressure test certificates are also available. Specific certification requirements can be discussed during the order process. -
Q: How does the pressure rating (PN1.6-6.4MPa) relate to other rating systems like Class?
A: PN (Pressure Nominal) is a metric rating. PN1.6 is approximately equivalent to Class 150, PN2.5 to Class 150/300, PN4.0 to Class 300, and PN6.4 to Class 400. We can clarify the exact pressure-temperature rating for your application. -
Q: What is the maximum temperature this valve can handle?
A: The maximum service temperature depends on the specific grade of carbon steel and seat material. For standard WCB carbon steel with metal seats, it is typically suitable for temperatures up to approximately 425°C (800°F). Please consult us for high-temperature applications. -
Q: What after-sales support do you offer?
A: We provide technical support for installation and operation. While we recommend sourcing spare parts like gland packings or gaskets from us for optimal fit, we can provide guidance on maintenance procedures to extend valve service life.
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
You May Also Like
-
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
-
Marine Gate Valve CB/T3591 Compliant, PN16 Pressure Rating, Full Bore DesignNegotiableMOQ: 1 Unit
-
Durable Marine Cast Iron Gate Valve With 12-Month Warranty Against DefectsNegotiableMOQ: 1 Unit
-
OEM Production of CB/T3591 Marine Gate Valves With Technical Support and Spare PartsNegotiableMOQ: 1 Unit
-
DN300 Large Diameter Gate Valve Compliant With CB/T3591 Standard for Marine ApplicationsNegotiableMOQ: 1 Unit
-
Marine Gate Valve Manufacturer Offering CB/T3591 Valves With Mill Test ReportNegotiableMOQ: 1 Unit
-
CB/T3591 Standard Marine Gate Valve OEM Factory With Cast Steel Body and Stainless Steel TrimNegotiableMOQ: 1 Unit
