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Home > Industrial Equipment & Components > Valve > Gate Valve > High-Pressure Marine Gate Valve For Ship Seawater System, PN 6.4MPa Rating, DN15-DN300
High-Pressure Marine Gate Valve For Ship Seawater System, PN 6.4MPa Rating, DN15-DN300
Product Spotlights
Engineered for harsh marine environments, this high-pressure (PN6.4MPa) gate valve ensures reliable seawater flow control from DN15 to DN300. Featuring corrosion-resistant materials, a full-bore design for minimal pressure drop, and options for manual or gear operation, it delivers durable, leak-tight performance for critical shipboard systems like cooling, ballast, and firefighting lines. Backed by ISO9001 certification and global export experience.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Application:
Other, Ship Seawater System
Product Type:
Gate Valve
Pressure Rating (PN):
6.4 MPa
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Application
Other, Ship Seawater System
Product Type
Gate Valve
Pressure Rating (PN)
6.4 MPa
Size Range (DN)
DN15 to DN300
Operation Type
Manual (typical), Gearbox optional
Connection Type
Flanged (typical), other types available
Material (Body/Bonnet)
Cast Steel, Ductile Iron, Stainless Steel
Seat/Disc Material
Stainless Steel, Bronze, other alloys
End Connection Standard
JIS, DIN, ANSI, GB, customizable
Design Standard
GB/T, JIS, DIN, other standards available
As a dedicated manufacturer with a strong focus on maritime fluid control solutions, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our High-Pressure Marine Gate Valve engineered specifically for demanding ship seawater systems. Since our establishment in 2016, we have honed our expertise in producing robust valves that withstand the harsh marine environment. This valve, designed with a PN 6.4MPa rating and available in sizes from DN15 to DN300, represents our commitment to providing reliable, high-performance components that ensure the safety and efficiency of critical shipboard operations. Our valves are the result of stringent manufacturing processes and are trusted by clients across global markets from North America to Southeast Asia.
This gate valve is a cornerstone for controlling high-pressure seawater flow in pipelines aboard vessels. Its design prioritizes durability, leak-tight shut-off, and ease of operation under extreme conditions.
Key Features & Technical Advantages:
- Rugged Construction for Marine Service: Manufactured from premium-grade materials such as cast steel, ductile iron, or stainless steel, the valve body is built to resist corrosion from saltwater, abrasion from suspended solids, and the structural stresses encountered at sea.
- High-Pressure Integrity: With a pressure rating of PN 6.4MPa (approximately 928 psi), this valve is engineered to handle the high-pressure demands of seawater cooling systems, ballast systems, fire-fighting lines, and other critical shipboard applications.
- Full-Bore Design: The valve features a full-port design, minimizing pressure drop and allowing for unobstructed flow when fully open, which is crucial for maintaining system efficiency and reducing pump load.
- Reliable Sealing Mechanism: Utilizing a wedge or parallel slide disc design paired with resilient or metal-seated seals (like stainless steel or bronze), the valve ensures a bubble-tight seal in the closed position, preventing costly seawater leakage and system contamination.
- Versatile Operation Options: Standard models come with a handwheel for manual operation. For larger sizes (typically DN200 and above) or high-torque applications, a gearbox operator is available upon request, facilitating easier opening and closing.
- Flexible Connection & Standard Compliance: Valves are commonly supplied with flanged ends conforming to international standards such as JIS, DIN, or ANSI. Other connection types like threaded or weld ends can be customized to match your specific piping requirements.
Detailed Technical Specifications:
| Parameter | Specification |
|---|---|
| Type | Rising Stem Gate Valve |
| Pressure Rating | PN 6.4 MPa (Class 400) |
| Size Range (Nominal Diameter) | DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300 |
| Body Material Options | Cast Steel (WCB), Ductile Iron, Stainless Steel (CF8/CF8M) |
| Disc & Seat Material | Stainless Steel, Bronze, 13% Cr Steel, customizable |
| Stem Material | Stainless Steel (standard) |
| End Connection | Flanged (RF, FF), Threaded (NPT, BSP), Weld End |
| Operating Temperature Range | -29°C to 425°C (depending on material selection) |
| Applicable Fluid | Seawater, Fresh Water, Oils (non-shock) |
| Operation | Handwheel, Gear Operator (for DN200+) |
Benefits for Your Marine Operations:
- Enhanced System Reliability: The valve's robust construction and reliable sealing translate to fewer failures, reduced maintenance downtime, and increased operational safety for the vessel.
- Long Service Life: Corrosion-resistant materials and precision machining ensure extended valve life even in aggressive seawater, providing a better return on investment.
- Global Compliance & Compatibility: Manufactured to meet common international standards, our valves facilitate easy integration into new builds or retrofit projects worldwide.
- Reduced Lifecycle Cost: Durable design minimizes the need for frequent replacements, while accessible construction simplifies any required maintenance, lowering total cost of ownership.
Backed by our ISO9001:2015 certified quality management system, every High-Pressure Marine Gate Valve undergoes rigorous testing, including shell tests and seat tests, to guarantee performance as specified. Our annual export value of US$1-1.5 million and our presence in diverse markets from Eastern Europe to Oceania testify to the consistent quality and reliability our partners have come to expect. Sourced from our manufacturing base in Shanghai, with flexible shipment options from major ports like Shanghai, Guangzhou, and Hong Kong, we are positioned to be your efficient and dependable supplier. Choose Shanghai Zhibang for a valve solution that combines high-pressure capability with marine-grade durability, and contact us today to discuss your project requirements or request a detailed quotation.
Frequently Asked Questions (FAQ)
-
Q: Is this valve suitable for both fresh and seawater applications?
A: Yes, absolutely. While specifically engineered for the corrosive nature of seawater, its construction using corrosion-resistant materials makes it equally suitable for fresh water, bilge, and other non-aggressive fluid services on board. -
Q: Can you provide valves with certifications like ABS, DNV, or LR?
A: We hold ISO9001 certification for our quality system. Specific marine society approvals (ABS, DNV, etc.) are available upon request and can be arranged for production runs subject to project requirements and additional testing. -
Q: What is the typical lead time for an order of DN150 valves?
A: Lead times vary based on order quantity, material specification, and current production schedule. For standard materials like cast steel WCB, typical lead times range from 4 to 8 weeks. We provide accurate timelines upon receipt of your detailed inquiry. -
Q: Do you offer a warranty on your marine gate valves?
A: Yes, we provide a standard warranty against manufacturing defects for a specified period from the date of shipment. The specific warranty terms are detailed in our commercial contract. -
Q: Are the valves suitable for both above-deck and below-deck installations?
A: Yes. The valve's design and material selection allow it to perform in various shipboard locations. For exposed above-deck installations, specific material grades or protective coatings can be recommended to enhance weather resistance. -
Q: Can I order a valve with a different end connection than flanged?
A: Certainly. We offer customization for end connections. You can specify threaded (NPT, BSP), weld ends, or other standards to match your existing pipeline configuration. -
Q: How does the gear operator work, and when is it necessary?
A: A gear operator uses a gear reduction mechanism to multiply torque, making it significantly easier to open or close large-diameter valves (generally DN200 and above) or valves under high differential pressure. It is recommended for applications where manual operation would be too strenuous. -
Q: What testing do your valves undergo before shipment?
A: Each valve is subjected to hydrostatic shell tests (at 1.5 times the rated pressure) and seat leakage tests to ensure integrity and sealing performance. Test certificates are available upon request.
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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