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Help CenterShip Seawater Cooling System DIN 3202 Marine Butterfly Valve, 316L Disc & EPDM Seal, DN100 PN16
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As a leading manufacturer with ISO9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in delivering high-performance fluid control solutions for demanding maritime applications. Our Ship Seawater Cooling System DIN 3202 Marine Butterfly Valve is engineered to provide reliable and durable service in the harsh, corrosive environment of seawater cooling circuits. With a robust construction featuring a 316L stainless steel disc and EPDM seal, this valve ensures long-term operational integrity, minimal maintenance, and optimal flow control, making it a trusted component for shipbuilders and marine engineers worldwide.
This valve is designed to meet the specific challenges of marine seawater systems, where corrosion resistance and reliable sealing are paramount. Below are the key features and technical specifications that set our product apart:
- Superior Corrosion Resistance: The disc is manufactured from 316L stainless steel, an alloy known for its excellent resistance to pitting and crevice corrosion in chloride-rich environments like seawater. This material choice significantly extends the valve's service life compared to standard alternatives.
- Reliable Bubble-Tight Seal: The valve incorporates an EPDM (Ethylene Propylene Diene Monomer) seat. EPDM offers outstanding resistance to seawater, ozone, and weathering, ensuring a consistent, bubble-tight seal over a wide temperature range and under fluctuating pressures.
- Standardized Flange Connection: The valve conforms to the DIN 3202 F1 flange standard, ensuring easy and secure installation into existing European-standard piping systems commonly used in shipbuilding. This standardization simplifies procurement and replacement processes.
- Versatile Operation: Available with various actuation options to suit different control requirements. Standard models come with a manual lever or gear operator. For automated control systems, the valve can be equipped with electric, pneumatic, or hydraulic actuators (available upon request).
- Compact and Lightweight Design: The wafer-style butterfly valve design offers a compact profile and reduced weight compared to gate or globe valves. This saves valuable space and weight onboard vessels, a critical consideration in marine design.
- Bi-Directional Flow Capability: Designed to handle flow effectively in both directions, providing flexibility in system piping layout and installation.
- Low Torque Operation: The streamlined disc design and quality bearing system result in low operating torque, making manual operation easier and reducing the power requirements for actuators.
For a quick overview of the primary specifications, refer to the table below:
| Parameter | Specification |
| Valve Type | Wafer Butterfly Valve |
| Size (Nominal Diameter) | DN100 |
| Pressure Rating | PN16 |
| Flange Standard | DIN 3202 F1 |
| Disc Material | 316L Stainless Steel |
| Seat / Seal Material | EPDM |
| Stem Material | Stainless Steel (Optional grades available) |
| Operation | Lever, Gear, or Actuated (Customizable) |
| Test Standards | Shell Test & Seat Leakage Test per relevant standards |
The benefits of choosing our marine butterfly valve extend beyond its specifications. For ship operators and builders, it translates into reduced downtime due to its corrosion-resistant construction, lower lifecycle costs through minimal maintenance needs, and enhanced system reliability ensuring continuous cooling operation for critical machinery. Its standardized design also facilitates easier inventory management and faster installation times.
Shanghai Zhibang Valve backs this product with a commitment to quality, evidenced by our ISO9001 certification. Since our establishment in 2016, we have grown to serve a global clientele across North America, South America, Europe, Asia, Africa, and Oceania, with an annual export value ranging between US$1 Million and US$1.5 Million. Our valves are shipped from major ports including Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring efficient logistics. This valve embodies our dedication to providing durable, high-performance solutions tailored for the marine industry. For a reliable component that stands up to the challenge of seawater cooling, contact us today to discuss your requirements or request a quotation.
Frequently Asked Questions (FAQ)
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Q: Is this valve suitable for full seawater immersion or just seawater flow?
A: The 316L disc and EPDM seal offer excellent resistance to flowing seawater. For full, continuous immersion applications, specific material verification for all wetted parts is recommended based on the exact water chemistry and temperature. -
Q: Can this valve be used with other fluids besides seawater?
A: Yes. While optimized for seawater, the 316L/EPDM combination is also suitable for many other mildly corrosive fluids, fresh water, and certain chemicals. Please consult with us for specific fluid compatibility. -
Q: What is the difference between PN16 and Class 150 pressure ratings?
A> PN16 is a metric pressure rating (16 bar at room temperature). It is roughly equivalent to Class 150 in the ASME system. It indicates the valve's maximum allowable working pressure under defined conditions. -
Q: Do you offer this valve in sizes other than DN100?
A: Absolutely. As a manufacturer, we can produce this marine butterfly valve in a wide range of sizes, typically from DN50 to DN600 or larger. Inquire for specific size availability. -
Q: What types of actuators can be fitted?
A> We can provide compatible electric (on/off or modulating), pneumatic, and hydraulic actuators. The choice depends on your available power source and control needs (manual override required, etc.). -
Q: What is the typical delivery lead time for this product?
A: Lead times vary based on order quantity and configuration. Standard configurations may have shorter lead times, while customized orders (special actuators, coatings) may require more time. We provide accurate lead time estimates upon order confirmation. -
Q: Are test reports provided with the valves?
A: Yes. Our valves undergo routine pressure tests (shell and seat). Certified test reports can be provided upon request to meet project or classification society requirements. -
Q: How does the DIN 3202 F1 flange differ from other standards like ANSI?
A> DIN flanges have different dimensions, bolt hole patterns, and gasket surfaces compared to ANSI flanges. It is crucial to match the valve flange to the piping system standard. This valve is designed for systems using DIN/EN standards common in European shipbuilding.
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