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DIN 3357 Stainless Steel Ball Valve For Marine Engine Cooling Water Lines
Product Spotlights
DIN 3357-compliant stainless steel ball valve designed for harsh marine environments. Offers superior corrosion resistance for engine cooling water lines, ensuring reliable flow control and bubble-tight shutoff. Features a robust flanged design for secure connections, easy quarter-turn operation, and low maintenance. Available in a wide range of sizes (DN15-DN300) and pressure ratings with material and actuation options. Manufactured under an ISO9001 quality system for global marine applications.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Other, Stainless Steel (e.g., 304, 316, optional)
Standard:
DIN 3357 Standard
Application:
Other, Marine Engine Cooling Water Lines
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Material
Other, Stainless Steel (e.g., 304, 316, optional)
Standard
DIN 3357 Standard
Application
Other, Marine Engine Cooling Water Lines
Connection Type
Flanged End Connection
Nominal Pressure (PN)
Up to PN40 (customizable)
Nominal Diameter (DN)
DN15 to DN300 (available)
Operation Type
Manual Lever Handle (standard)
Seat Material
PTFE or Reinforced PTFE
Temperature Range
-20°C to +180°C (depending on seal)
Certification
ISO9001 Quality Management System
As a professional manufacturer with a proven track record since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in delivering high-performance industrial valves for demanding applications worldwide. Our DIN 3357 Stainless Steel Ball Valve is engineered specifically for the rigorous environment of marine engine cooling water lines, offering a reliable and durable solution to control fluid flow and protect critical shipboard systems. Built to exacting standards, this valve combines corrosion-resistant stainless steel construction with precision engineering, ensuring long service life and minimal maintenance even in harsh saltwater conditions.
This valve is designed to meet the specific needs of marine engineers and shipbuilders who require dependable performance from their fluid control components.
- Superior Corrosion Resistance: Manufactured from high-grade stainless steel (such as 304 or 316, available upon request), the valve body, ball, and stem offer exceptional resistance to saltwater corrosion, pitting, and crevice corrosion, which are common challenges in marine cooling systems.
- Robust DIN 3357 Flanged Design: Compliant with the DIN 3357 standard for flanged-end ball valves, ensuring dimensional accuracy, interchangeability, and a secure, leak-proof connection to piping systems. This standardization simplifies installation and sourcing of replacement parts.
- Excellent Flow Control: The full-port or standard-port design (customizable) minimizes pressure drop across the valve, allowing for efficient flow of cooling water to maintain optimal engine temperature and performance.
- Bubble-Tight Shut-off: Features a precision-machined ball and resilient seat materials (like PTFE) that provide a reliable, bubble-tight seal in both the open and closed positions, preventing water leakage and ensuring system integrity.
- Easy Operation and Low Maintenance: Equipped with a sturdy manual lever handle for quick and easy quarter-turn operation. The simple design with minimal moving parts translates to low friction, smooth operation, and reduced maintenance requirements.
- Wide Temperature and Pressure Compatibility: Suitable for the temperature ranges typical of engine cooling water and capable of handling the system pressures, making it a versatile component for various marine applications.
Key Technical Specifications
The following table outlines some of the core parameters for our DIN 3357 Stainless Steel Ball Valve. Custom configurations are available to meet specific project requirements.
| Parameter | Specification / Option |
|---|---|
| Design Standard | DIN 3357 |
| Body Material | Stainless Steel 304/316/316L |
| Ball Material | Stainless Steel, Chrome Plated Optional |
| Seat & Seal Material | PTFE, Reinforced PTFE, Metal Seated Optional |
| Nominal Pressure (PN) | PN10, PN16, PN25, PN40 |
| Nominal Diameter (DN) Range | DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300 |
| Connection Type | Flanged (DIN/ANSI/JIS standards available) |
| Operation | Manual Lever Handle (Gearbox or Actuator Optional) |
| Temperature Range | -20°C to +180°C (for PTFE seats); Higher ranges with special seals |
| Application | Marine Engine Cooling Water, Sea Water, Fresh Water, Bilge Systems |
Benefits for Your Marine Operations
- Enhanced System Reliability: Prevents unexpected failures in cooling lines, contributing to overall vessel operational safety and uptime.
- Reduced Lifetime Costs: The durability and low maintenance needs of stainless steel construction lead to lower total cost of ownership compared to valves made from less resistant materials.
- Global Compliance & Ease of Sourcing: Adherence to the widely recognized DIN standard facilitates installation and ensures component compatibility in the global marine supply chain.
- Flexibility: Available in a comprehensive range of sizes and pressure ratings, along with options for different materials and actuators, allowing for precise matching to your system design.
Backed by our ISO9001-certified quality management system and an annual export value reflecting consistent global demand, Shanghai Zhibang has established itself as a trusted supplier to markets across North America, South America, Europe, Asia, Africa, and Oceania. Our valves are shipped from major ports including Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring efficient logistics. Choosing our DIN 3357 Stainless Steel Ball Valve means partnering with a manufacturer committed to quality, reliability, and supporting the longevity of your marine assets. Contact us today to discuss your specific requirements or to request a quotation.
Frequently Asked Questions (FAQ)
-
Q: Why is a DIN 3357 standard valve preferred for marine applications?
A: The DIN 3357 standard specifies dimensions, pressure ratings, and testing for flanged ball valves, ensuring a high level of quality, interchangeability, and reliability. This is crucial in marine engineering where standardized, proven components are required for safety and maintenance efficiency. -
Q: What is the difference between 304 and 316 stainless steel for this valve?
A: Both offer good corrosion resistance. Type 316 stainless steel contains molybdenum, which provides significantly better resistance to chlorides (like salt in seawater) compared to Type 304. For harsh marine environments, 316 or 316L is often the recommended choice. -
Q: Can this valve be used with other fluids besides engine cooling water?
A> Yes, depending on the seat material selected. With standard PTFE seats, it is suitable for a wide range of corrosive and non-corrosive fluids, including seawater, fresh water, oils, and gases within its specified pressure and temperature limits. Compatibility for specific chemicals should be verified. -
Q: Is an actuator available for remote or automated operation?
A: Absolutely. While supplied with a manual lever as standard, the valve can be fitted with pneumatic, electric, or hydraulic actuators upon request for integration into automated control systems. -
Q: What flange standards are compatible with your DIN 3357 valve?
A: Our standard valves are manufactured to DIN flange dimensions. However, we can also supply valves with ANSI, JIS, or other flange standards to match your existing pipeline connections. Please specify your requirement. -
Q: What is the lead time for an order of these valves?
A: Lead times vary based on order quantity, size, and specific configuration. Standard sizes and materials typically have shorter lead times. We provide accurate delivery estimates upon receipt of your detailed inquiry. -
Q: Do you offer any warranty on your ball valves?
A: Yes, we provide a standard warranty against defects in material and workmanship. The specific warranty period and terms are provided with our commercial offer and are aligned with industry standards. -
Q: How do I select the correct pressure rating (PN) for my application?
A: The PN rating should be equal to or greater than the maximum working pressure expected in your cooling water system, including any potential pressure surges. Our technical team can assist you in selecting the appropriate rating based on your system parameters.
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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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