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Home > Industrial Equipment & Components > Valve > Ball Valve > Custom Marine Ball Valve With Full Mill Test Report and 3-Year Warranty

Custom Marine Ball Valve With Full Mill Test Report and 3-Year Warranty

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Product Spotlights

Custom-engineered marine ball valves featuring full material traceability with Mill Test Reports for quality assurance. Built with corrosion-resistant materials for harsh seawater environments, they offer reliable performance with a robust 3-year warranty. Flexible customization in size, pressure rating, connection, and actuation meets precise project needs. Supported by ISO9001-certified manufacturing and global export experience.

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

Key Specifications

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Material:

Other, Stainless Steel, Carbon Steel, Duplex Steel (Customizable)

Application:

Other, Marine Shipbuilding

Size Range:

DN15 to DN600 (1/2“ to 24“)

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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
Company Profile
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Material Other, Stainless Steel, Carbon Steel, Duplex Steel (Customizable)

Application Other, Marine Shipbuilding

Size Range DN15 to DN600 (1/2“ to 24“)

Connection Type Flanged, Threaded, Butt Weld, Socket Weld

Pressure Rating Class 150 to Class 2500 (PN16 to PN420)

Operation Manual Lever, Gear, Pneumatic, Electric Actuator

Seat Material PTFE, Reinforced PTFE, Metal Seated (Optional)

Design Standard API 6D, API 608, ISO 17292, DIN, ANSI/ASME

Special Feature Fire Safe Design, Anti-Static, Blow-Proof Stem

Warranty 3-Year Warranty on Material and Workmanship

As a leading manufacturer with ISO9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in providing high-performance, reliable fluid control solutions for demanding marine environments. Our Custom Marine Ball Valves are engineered to withstand the harsh conditions of saltwater, high pressure, and corrosive elements, ensuring the safety and efficiency of your maritime operations. With a commitment to quality backed by a comprehensive Full Mill Test Report for traceability and a robust 3-Year Warranty, we offer not just a product, but a partnership in operational excellence for shipbuilders, offshore platform operators, and marine system integrators worldwide.

Core Advantages & Technical Specifications:

Our Custom Marine Ball Valves are designed for superior durability, leak-tight sealing, and easy operation in critical marine applications. The valves feature a robust construction with materials carefully selected for corrosion resistance.

Full Material Traceability: Each valve is supplied with a complete Mill Test Report (MTR), providing certified chemical composition and mechanical properties for every major component, ensuring material integrity and compliance with international standards.
Extended Service Life: The combination of premium materials, advanced sealing technology (like PTFE or metal seats), and anti-corrosion treatments significantly extends the valve's service life, reducing maintenance frequency and total cost of ownership.
Versatile Customization: We tailor valves to your exact specifications, including size, pressure class, end connection, actuation method (manual, pneumatic, electric), and special features like fire-safe design or anti-static construction.
Reliable Performance: The quarter-turn operation ensures quick and positive shut-off. Features like a blow-proof stem design enhance safety by preventing stem ejection under pressure.
Global Compliance: Valves are manufactured according to major international standards such as API, ANSI/ASME, DIN, and ISO, making them suitable for global maritime projects.

Below is a summary of typical specifications available:

Parameter	Specifications
Body Material	CF8M (316SS), WCB, LCB, Duplex 2205/Super Duplex (Optional)
Pressure Rating	Class 150, 300, 600, 900, 1500, 2500 (ANSI) PN16, PN25, PN40, PN64, PN100, PN250, PN420 (DIN)
Temperature Range	Standard: -29°C to +200°C Extended ranges available upon request
Seat & Seal Material	Standard: PTFE (RPTFE) Optional: Metal Seated (for high temp), PEEK, Nylon
End Connection	Flanged (RF, RTJ), Threaded (NPT, BSP), Butt Weld, Socket Weld
Operation	Lever Handle, Gear Operator, Pneumatic Actuator, Electric Actuator

Benefits for Your Project:

Enhanced System Safety: Reliable shut-off and fire-safe options protect valuable assets and personnel.
Reduced Operational Downtime: Durable construction and reliable performance minimize unplanned maintenance and failures.
Simplified Procurement & Documentation: Full MTR and compliance certificates streamline QA/QC processes and regulatory approvals.
Cost-Effective Solution: The long service life and reduced maintenance lead to lower lifecycle costs compared to standard valves.
Flexible Supply Chain: With annual export experience across continents and multiple shipment ports (Shanghai, Guangzhou, Hong Kong, Beijing), we ensure timely delivery to your project site.

Backed by our established manufacturing expertise since 2016 and an ISO9001-certified quality management system, Shanghai Zhibang Valve delivers proven reliability. Our products have been successfully supplied to markets across North and South America, Europe, Asia, Africa, and Oceania, demonstrating our capability to meet diverse international standards and project requirements. The combination of material certification (Full Mill Test Report) and a confident 3-Year Warranty underscores our commitment to quality and customer satisfaction. For a valve solution that brings durability, compliance, and peace of mind to your marine applications, contact us to discuss your custom requirements.

Frequently Asked Questions (FAQ)

What is included in the Full Mill Test Report (MTR)?
The MTR is a traceability document provided by the material mill. It includes the heat/charge number, chemical analysis, mechanical properties (tensile strength, yield strength, elongation), and heat treatment records for the valve's body, ball, stem, and other primary metallic components, certifying the material's conformity to ordered specifications.
What does the 3-Year Warranty cover?
Our warranty covers defects in materials and workmanship under normal use and service conditions for a period of three years from the date of shipment. It includes repair or replacement of the defective valve, excluding normal wear and tear, misuse, or improper installation.
Can you provide valves with specific certifications like ABS, DNV, or LR?
Yes, we can arrange for third-party inspection and certification from major marine classification societies such as ABS, DNV, BV, LR, etc., upon request. This is a customizable service typically involving additional testing and documentation fees.
What are the typical lead times for custom marine ball valves?
Lead times vary based on the complexity of customization, size, material availability, and order quantity. Standard configurations typically have shorter lead times. We provide estimated delivery schedules upon receipt of your detailed specifications.
How do I determine the best material (e.g., 316SS vs. Duplex) for my seawater application?
The choice depends on factors like chloride content, temperature, flow velocity, and presence of other corrosive agents. 316SS is common for general seawater service. Duplex steels offer higher strength and better resistance to chloride-induced stress corrosion cracking for more demanding conditions. Our technical team can assist in material selection.
Do you offer actuated valves (pneumatic/electric)?
Absolutely. We can supply the ball valves fitted with pneumatic (on/off or modulating) or electric actuators from reputable brands, or as per your specified actuator model. The assembly and testing are done in our factory.
What painting/coating standards do you follow for marine environments?
We offer standard epoxy coatings suitable for marine atmospheres. For submerged or splash zone applications, high-performance coatings like zinc-rich epoxy or specific client-specified paint systems (e.g., to NORSOK M-501 standard) can be applied.
What are your main shipping ports and payment terms?
We primarily ship from Shanghai, Guangzhou, Hong Kong, and Beijing ports. Standard payment terms are negotiable and commonly include T/T or L/C. Specific terms are confirmed with the commercial offer.