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DIN 3357 Marine Ball Valve OEM Factory With Comprehensive Mill Test Report
Product Spotlights
DIN 3357 standard marine ball valves with full material traceability via comprehensive Mill Test Reports (MTR). Manufactured under ISO9001 with materials like 316SS & Duplex steel for superior seawater corrosion resistance. Features fire-safe options, low-torque operation, and compatibility with various actuators. Designed for reliability in shipbuilding, offshore platforms, and coastal systems, simplifying classification society approvals.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Standard:
DIN 3357
Application:
Other, Marine and Offshore Systems
Material:
Other, Carbon Steel, Stainless Steel, Duplex Steel
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Standard
DIN 3357
Application
Other, Marine and Offshore Systems
Material
Other, Carbon Steel, Stainless Steel, Duplex Steel
Connection
Flanged (DIN EN 1092-1)
Pressure Rating
PN10, PN16, PN25, PN40
Temperature Range
-20°C to +200°C
Seat Material
PTFE, RPTFE, PPL, Metal
Operation
Manual Lever, Gearbox, Pneumatic, Electric Actuator
Size Range
DN15 to DN300 (1/2“ to 12“)
Coating/Finish
Epoxy Coating, Zinc Plated, Passivated
As a professional valve manufacturer established in 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in producing high-performance marine-grade valves for demanding global applications. Our DIN 3357 Marine Ball Valves are engineered to meet the rigorous standards of shipbuilding, offshore platforms, and coastal infrastructure, where reliability and safety are paramount. We understand that in marine environments, failure is not an option, which is why every valve is backed by a comprehensive Mill Test Report (MTR) that provides full traceability of materials and manufacturing processes. With an annual export value demonstrating our global reach, we supply robust fluid control solutions trusted by clients across North America, Southeast Asia, Europe, and beyond.
Our commitment to quality is formalized through our ISO9001 certification, ensuring a consistent and controlled manufacturing process from raw material inspection to final testing. The DIN 3357 standard specifically defines the requirements for metallic ball valves, making our product a preferred choice for engineers specifying components for seawater cooling systems, ballast systems, fuel lines, and other critical shipboard piping. The valve's design prioritizes easy operation, minimal maintenance, and long service life even in corrosive saltwater atmospheres.
Key Product Features & Technical Advantages:
- Full Material Traceability: Each valve is supplied with a detailed Mill Test Report, certifying the chemical composition and mechanical properties of all primary wetted parts (body, ball, stem). This is crucial for marine classification society approvals and client audits.
- Robust Construction for Marine Duty: Designed to withstand vibration, shock, and the dynamic loads encountered at sea. The reinforced stem design prevents blow-out under high pressure.
- Superior Sealing Performance: Utilizes advanced seat materials like reinforced PTFE (RPTFE) or PPL for tight shut-off across a wide temperature range, with metal-seated options available for high-temperature or abrasive services.
- Corrosion Resistance: Available in a range of materials including CF8M (316 Stainless Steel) and Duplex Stainless Steels (2205) for excellent resistance to pitting and crevice corrosion in chloride environments. Protective epoxy coatings are applied to carbon steel valves as standard.
- Fire-Safe Design Option: Valves can be manufactured to meet fire-safe API 607/API 6FA or ISO 10497 standards, where secondary metal seals maintain integrity in the event of a fire.
- Low Operating Torque & Easy Maintenance: The precision-machined ball and low-friction seats ensure smooth operation. A blow-out-proof stem and modular seat design allow for in-line maintenance if required.
Technical Specifications Table:
| Design Standard | DIN 3357 / ISO 17292 | Face-to-Face | As per DIN 3202-F1/F4/F5 |
| Flange Standard | DIN EN 1092-1 (PN Series) | Pressure-Temperature Rating | As per DIN 2401 / EN 1092-1 |
| Test & Inspection | Shell Test, Seat Test (Air or Water) | Leakage Class | Seat: ANSI B16.104 Class VI (Soft Seat), Class IV (Metal Seat) |
| Body Materials | WCB, WCC, CF8, CF8M, CF3M, Duplex | Ball & Stem Materials | SS304, SS316, 17-4PH, Duplex with Chrome Plating |
| Operation Methods | Lever, Wrench, Gear Operator, Pneumatic/ Electric Actuator | Optional Features | Locking Device, Stem Extension, Anti-Static Device, Drain/Vent Port |
Benefits for Our Clients:
- Reduced Project Risk: The comprehensive MTR simplifies documentation for classification societies (ABS, DNV, LR, BV, etc.) and speeds up approval processes for shipyards and engineering firms.
- Lower Total Cost of Ownership: High reliability and durable construction minimize unplanned downtime and maintenance costs over the vessel's lifecycle.
- Supply Chain Flexibility: With major shipment ports in Shanghai, Guangzhou, Hong Kong, and Beijing, we offer logistical advantages for both domestic and international projects.
- Customization Support: We can tailor valve specifications, including special coatings, trim materials, and actuation packages, to meet unique project requirements.
Shanghai Zhibang's decade-long expertise as a manufacturer, combined with our ISO9001 quality management system, forms the foundation of every DIN 3357 Marine Ball Valve we produce. Our products have been successfully integrated into vessels and offshore structures serving markets from Northern Europe to Oceania, demonstrating proven performance. The detailed Mill Test Report is not just a document; it is our pledge of transparency and quality assurance. For your next marine or offshore project requiring dependable, fully documented valves, contact us to discuss your specifications or request a sample MTR for review. Let us be your reliable partner in fluid control.
Frequently Asked Questions (FAQ):
-
Q: What is the significance of the DIN 3357 standard for a marine ball valve?
A: DIN 3357 is a German industrial standard that specifies the design, dimensions, materials, testing, and marking requirements for metallic ball valves. For marine applications, using valves conforming to recognized international standards like DIN 3357 is often a prerequisite for approval by ship classification societies, ensuring a baseline level of safety, interchangeability, and performance. -
Q: Why is a Mill Test Report (MTR) so important for marine applications?
A: In marine and offshore industries, material traceability is critical for safety and certification. An MTR provides verified data on the chemical composition and mechanical properties (yield strength, tensile strength, etc.) of the raw materials used (body, ball, stem). This documentation is essential for audits, warranty claims, and obtaining necessary approvals from authorities like ABS, DNV, or Lloyd's Register. -
Q: Can your DIN 3357 valves be fitted with actuators for remote operation?
A: Yes, absolutely. Our flanged ball valves are designed to be compatible with a wide range of pneumatic (double-acting or spring-return) and electric actuators. We can supply the valve as a package with a mounted actuator, including necessary brackets and couplings, tailored to your control system requirements (e.g., 4-20mA signal, on/off switch). -
Q: What material do you recommend for seawater cooling system valves?
A: For seawater service, we highly recommend austenitic stainless steel AISI 316L (CF3M) or super duplex stainless steels (e.g., UNS S32750). These materials offer superior resistance to chloride-induced pitting and crevice corrosion compared to standard 304 stainless steel. The specific choice depends on temperature, flow velocity, and the presence of other corrosive elements. -
Q: Are your marine ball valves fire-safe certified?
A: We offer fire-safe versions as an option. These valves are designed and tested to meet the requirements of standards like API 607, API 6FA, or ISO 10497. They incorporate secondary metal seals (often graphite or flexible graphite) that maintain a seal even if the primary soft seals are destroyed by fire, preventing the escalation of a hazardous situation. -
Q: What is your typical lead time for an order of these valves?
A: Lead time varies based on order quantity, material specifications, and any special requirements (like actuation or fire-safe design). For standard materials and sizes, we typically maintain some stock or can produce within 4-6 weeks. We provide a confirmed delivery schedule upon receipt of your official inquiry or purchase order. -
Q: Do you offer any warranty or after-sales support?
A: Yes, we provide a standard warranty against manufacturing defects. More importantly, our technical team offers after-sales support for installation guidance, maintenance advice, and troubleshooting. As the manufacturer, we have direct control over the production process and spare parts availability. -
Q: Can you provide valves with specific coatings for exterior corrosion protection?
A> Certainly. For carbon steel valves exposed to harsh marine atmospheres, we can apply high-performance epoxy coatings (e.g., 250-300 microns DFT) in various colors. We also offer options like zinc plating or hot-dip galvanizing. The coating specification can be customized to meet project-specific standards like NORSOK M-501.
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1Yr
Business Type
Manufacturer
Year Established
2016
Annual Export Value
US$1 Million - US$1.5 Million
Product Certifications
ISO9001
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