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Home > Industrial Equipment & Components > Valve > Ball Valve > Marine Ball Valve for High-Pressure Ship Steam: PN6.4MPa, Flanged, DNV Standard

Marine Ball Valve for High-Pressure Ship Steam: PN6.4MPa, Flanged, DNV Standard

Marine Ball Valve for High-Pressure Ship Steam: PN6.4MPa, Flanged, DNV Standard thumbnail-3

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Marine Ball Valve for High-Pressure Ship Steam: PN6.4MPa, Flanged, DNV Standard thumbnail-5

Marine Ball Valve for High-Pressure Ship Steam: PN6.4MPa, Flanged, DNV Standard photo-1

Marine Ball Valve for High-Pressure Ship Steam: PN6.4MPa, Flanged, DNV Standard photo-2

Marine Ball Valve for High-Pressure Ship Steam: PN6.4MPa, Flanged, DNV Standard photo-3

Marine Ball Valve for High-Pressure Ship Steam: PN6.4MPa, Flanged, DNV Standard photo-4

Marine Ball Valve for High-Pressure Ship Steam: PN6.4MPa, Flanged, DNV Standard photo-5

Product Spotlights

DNV-standard marine ball valve engineered for PN6.4MPa high-pressure ship steam systems. Features robust flanged construction, versatile material options (carbon/stainless/alloy steel), and reliable sealing for leak-proof operation. Offers multiple actuation methods (manual, gear, pneumatic, electric) and customizable sizes. Manufactured under ISO9001, ensuring quality for global maritime applications with enhanced safety and reduced maintenance.

Negotiable MOQ: 1 Unit (Price negotiable depending on order volume and customization)

Key Specifications

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Material:

Other, Carbon Steel / Stainless Steel / Alloy Steel

Application:

Other, High-Pressure Steam Lines on Ships

Pressure Rating:

PN6.4MPa (Approx. 928 PSI)

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Shanghai Zhibang Valve Manufacture Co.,ltd

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
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Material Other, Carbon Steel / Stainless Steel / Alloy Steel

Application Other, High-Pressure Steam Lines on Ships

Pressure Rating PN6.4MPa (Approx. 928 PSI)

Connection Type Flanged (RF, RTJ)

Standard Compliance DNV Marine Standard

Valve Size (DN) DN15 - DN300 (Customizable)

Operation Type Manual Lever / Gear Operated / Pneumatic / Electric

Seat Material PTFE / Reinforced PTFE / Metal

Temperature Range -20°C to 200°C (Customizable)

Certification ISO9001 Quality Management System

As a professional manufacturer with ISO9001 certification and a strong export presence across global markets, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in delivering robust and reliable valve solutions for the demanding marine industry. Our Marine Ball Valve for High-Pressure Ship Steam is engineered to meet the rigorous challenges of maritime steam systems, where safety, durability, and precise control under high pressure are non-negotiable. This valve is a critical component designed to ensure the smooth and safe operation of your vessel's steam-powered auxiliary systems.

This flanged ball valve stands out for its exceptional performance under the high-pressure conditions typical of ship steam applications. Manufactured in compliance with stringent DNV standards, it guarantees the quality and reliability required for marine classification. With an annual export value reflecting our commitment to international clients, we provide a product that combines advanced engineering with practical maritime needs.

Core Product Features & Technical Advantages:

Superior Pressure Handling: Rated for PN6.4MPa, this valve is built to withstand the intense pressures found in ship steam lines, ensuring leak-proof operation and system integrity.
Marine-Grade Construction & Compliance: Designed and tested to meet DNV standards, ensuring it fulfills all necessary requirements for marine use, including material selection, design pressure, and performance testing.
Robust Flanged Connection: The flanged end connection provides a secure, bolted interface that is ideal for high-pressure piping systems, offering excellent sealing and ease of installation/maintenance.
Versatile Material Options: Available in carbon steel, stainless steel, or specialized alloy steels to match specific fluid compatibility and corrosion resistance needs in a marine environment.
Reliable Sealing Technology: Features advanced seat materials like PTFE or metal, chosen for their resilience against high-temperature steam and ensuring long-term, bubble-tight shut-off.
Multiple Actuation Methods: Can be supplied with manual lever, gear-operated, pneumatic, or electric actuators, providing flexibility for remote or automated control integration within the ship's system.
Broad Size Range: Available in standard sizes from DN15 to DN300, with customization possible to fit unique pipeline specifications.

Detailed Technical Specifications:

Parameter	Specification
Product Type	Full Port Flanged Ball Valve
Design Pressure	PN6.4MPa (928 PSI)
Design Standard	DNV Rules for Classification
Connection Standard	Flanged to ANSI B16.5, DIN, JIS, etc.
Temperature Range	Standard: -20°C to 200°C (Higher ranges available)
Valve Body Material	WCB, CF8, CF8M, WC6, etc.
Ball & Stem Material	SS304, SS316, with various coatings
Seat Material	PTFE, RPTFE, PPL, Metal (Stellited)
Fire Safe Design	Optional, compliant with API 607/API 6FA
Testing & Inspection	Hydrostatic test, Shell test, Seat leakage test per API 598

Benefits for Your Marine Operations:

Enhanced Safety: The high-pressure rating and DNV compliance minimize the risk of failure in critical steam systems, protecting crew and assets.
Reduced Maintenance & Downtime: Durable construction and reliable sealing translate to fewer repairs and longer service intervals, keeping your vessel operational.
Global Supply Chain Compatibility: With major shipment ports like Shanghai, Guangzhou, Hong Kong, and Beijing, we ensure timely delivery to shipyards and operators worldwide.
System Efficiency: The full-port design offers minimal flow restriction, helping maintain optimal steam pressure and flow for auxiliary equipment.
Customization Support: As a manufacturer, we can tailor valve specifications—including size, material, actuation, and certification documentation—to your project's exact requirements.

Trust and Proven Performance:

Shanghai Zhibang Valve Manufacture Co., Ltd. brings nearly a decade of manufacturing expertise since 2016, backed by an ISO9001 certified quality management system. Our consistent annual export value demonstrates our reliability as a supplier to key maritime regions including North America, Europe, Asia, and beyond. Choosing our DNV-standard Marine Ball Valve means partnering with a manufacturer committed to quality, supported by a global logistics network from multiple Chinese ports, ready to meet the stringent demands of the international marine industry.

Frequently Asked Questions (FAQ):

Q: What does "DNV Standard" mean for this valve?
A: It signifies that the valve is designed, manufactured, and tested in accordance with the rules and standards set by Det Norske Veritas (DNV), a leading international marine classification society. This ensures the valve meets specific requirements for materials, design pressure, construction, and testing mandatory for use on classified ships.
Q: Is this valve suitable for other fluids besides steam?
A: While optimized for high-pressure steam, its robust construction makes it suitable for other high-pressure services onboard, such as fuel oil, inert gas, or compressed air lines, provided the material selection is compatible with the fluid. Please consult our technical team for specific applications.
Q: Can you provide valves with different flange standards (e.g., ANSI, JIS, DIN)?
A: Yes. As a manufacturer, we can produce flanges to match various international standards including ANSI B16.5 Class 150/300, DIN PN10/16/25/40, JIS 10K/20K, and others. Specify your required standard when inquiring.
Q: What is the typical lead time for an order?
A: Lead time depends on order quantity, customization level, and material availability. For standard configurations, typical lead times range from 4-8 weeks. We provide accurate timelines upon receipt of your detailed inquiry.
Q: Do you offer third-party inspection services or certification documents?
A> We operate under an ISO9001 system. For DNV or other class approvals, we can arrange necessary manufacturing surveys and provide the required certification packages (e.g., Material Certificates, Test Reports, NDT reports) as per the project specification.
Q: What are the available actuation options for remote operation?
A> We offer pneumatic (double-acting or spring-return) and electric motor actuators. These can be configured for local or integration into the ship's control system. Gear operators are available for larger valves requiring high torque.
Q: How do you ensure leak-tight performance under high-pressure steam?
A> Through precision machining of ball and seat surfaces, selection of high-temperature resistant seat materials (like reinforced PTFE or metal), rigorous seat leakage testing per API 598 standards, and proper stem sealing design with graphite packing for high-temperature service.
Q: What is your packaging for marine export to prevent corrosion?
A> Valves are thoroughly cleaned, dried, and preserved. Standard packaging includes rust-preventive coating (VCI), plastic end caps, and export-grade wooden crates to withstand maritime transport and ensure they arrive in perfect condition.