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Home > Industrial Equipment & Components > Valve > Ball Valve > Ball Valve With Pneumatic Actuator for Shipboard Seawater Cooling Lines, DIN 3357 Standard

Ball Valve With Pneumatic Actuator for Shipboard Seawater Cooling Lines, DIN 3357 Standard

Ball Valve With Pneumatic Actuator for Shipboard Seawater Cooling Lines, DIN 3357 Standard thumbnail-3

Ball Valve With Pneumatic Actuator for Shipboard Seawater Cooling Lines, DIN 3357 Standard thumbnail-4

Ball Valve With Pneumatic Actuator for Shipboard Seawater Cooling Lines, DIN 3357 Standard thumbnail-5

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Ball Valve With Pneumatic Actuator for Shipboard Seawater Cooling Lines, DIN 3357 Standard photo-4

Ball Valve With Pneumatic Actuator for Shipboard Seawater Cooling Lines, DIN 3357 Standard photo-5

Product Spotlights

Designed for harsh marine environments, this DIN 3357 compliant ball valve features a reliable pneumatic actuator for remote/automated control of seawater cooling lines. It offers corrosion-resistant materials (stainless steel, bronze), durable PTFE seals, and a wide size range (DN15-DN300). Benefits include enhanced system reliability, operational safety with fail-safe options, easy integration, and reduced maintenance, making it a cost-effective solution for shipboard fluid control.

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

Key Specifications

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Material:

Other, Cast steel, Stainless steel, Bronze

Standard:

DIN 3357

Application:

Other, Shipboard seawater cooling lines

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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, Cast steel, Stainless steel, Bronze

Standard DIN 3357

Application Other, Shipboard seawater cooling lines

Size Range DN15 to DN300

Actuator Type Pneumatic (Double-acting or Single-acting)

Connection Type Flanged, Threaded

Sealing Material PTFE, reinforced PTFE, metal seal

Pressure Rating PN10 to PN40

Temperature Range -20°C to +150°C

As a professional manufacturer with ISO9001 certified quality management, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in providing reliable fluid control solutions for demanding marine applications. Established in 2016, we have built a strong reputation by exporting our valves to markets worldwide, including North America, Southeast Asia, Europe, and Africa. Our Ball Valve with Pneumatic Actuator for Shipboard Seawater Cooling Lines, manufactured in compliance with the DIN 3357 standard, represents our commitment to engineering robust, automated valves that ensure precise control and safety in critical onboard systems.

This product is engineered specifically for the harsh environment of seawater cooling circuits on vessels. The combination of a durable ball valve with a responsive pneumatic actuator allows for remote or automated on/off and modulating control, which is vital for efficient thermal management and system protection. By integrating high-grade materials and precise manufacturing, we deliver a valve that offers long service life, minimal maintenance, and reliable performance under variable pressures and corrosive conditions.

Product Features & Technical Advantages:

Robust Construction for Marine Service: The valve body and key components are available in materials such as cast steel, stainless steel (316/316L), or bronze, selected to resist corrosion from seawater and withstand the mechanical stresses encountered in shipboard installations.
Precision Pneumatic Actuation: The actuator is designed for reliable operation with standard shipboard compressed air supplies. Options include double-acting and single-acting (spring return) models, providing fail-safe closure if air pressure is lost. The actuator offers smooth, quick response for efficient flow control.
DIN 3357 Compliance: Manufacturing according to DIN 3357 ensures standardized dimensions, pressure ratings, and performance criteria. This facilitates easier integration into piping systems designed under European and international norms, providing assurance of quality and interoperability.
Effective Sealing Solutions: Seat seals are typically made from PTFE or reinforced PTFE, offering excellent chemical resistance and low friction for long-lasting, leak-free operation. Metal seal options are available for higher temperature applications.
Versatile Configuration & Control: The valve can be configured with various accessories:
- Positioners for precise modulating control.
- Limit switches for remote status indication.
- Manual override for emergency or maintenance operation.
- Filter-regulator units to ensure clean, stable air supply to the actuator.
Broad Application Range: Primarily designed for seawater cooling lines, this valve is also suitable for other onboard fluid services such as fuel oil, lubricating oil, ballast water, and general service water where automated shut-off or control is required.

Key Technical Specifications:

Parameter	Details / Range
Valve Size (DN)	From DN15 (½") to DN300 (12")
Pressure Rating (PN)	PN10, PN16, PN25, PN40
Connection Type	Flanged (DIN, ANSI, JIS standards), Threaded (NPT, BSP)
Temperature Range	Standard: -20°C to +150°C. Special designs available for extended ranges.
Actuator Air Supply	Typically 0.4 - 0.7 MPa (4 - 7 bar). Customizable for other pressures.
Body Material Options	Cast Steel WCB, Stainless Steel 304/316, Bronze, Duplex Steel
Seal Material Options	PTFE, Reinforced PTFE, PEEK, Metal (Stainless Steel, Hardened)

Benefits for Your Marine Projects:

Enhanced System Reliability: Automated control reduces human error and ensures timely response to system demands, protecting critical cooling equipment from damage due to flow irregularities.
Operational Efficiency & Safety: Remote actuation allows for centralized control, improving operational efficiency. The fail-safe feature (in spring return models) enhances system safety during pneumatic supply failures.
Corrosion Resistance & Long Life: Material selection and protective finishes combat seawater corrosion, minimizing maintenance frequency and extending the valve's service life, reducing lifecycle costs.
Easy Integration & Maintenance: Compliance with DIN 3357 and availability of common flange standards simplify installation. The modular design of the actuator assembly allows for easy on-site maintenance or replacement if needed.
Cost-Effective Solution: Compared to more complex control valves, this pneumatically actuated ball valve offers a reliable and cost-effective method for achieving automated flow control in cooling and other fluid systems.

Shanghai Zhibang Valve backs its products with a solid track record. Our ISO9001 certification underpins our consistent manufacturing quality. With an annual export value between US$1 million and US$1.5 million, we have successfully supplied valves to diverse global markets, from North America and Western Europe to Southeast Asia and Africa, proving our ability to meet international standards and client expectations. Our valves are shipped from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring flexible and efficient logistics for your projects. Choosing our DIN 3357 Pneumatic Actuated Ball Valve means selecting a product backed by professional manufacturing, proven global delivery, and a focus on durability for harsh marine environments. Contact us today to discuss your specific requirements or to request a detailed quotation.

Frequently Asked Questions (FAQ):

Q: Is this valve suitable only for seawater, or can it handle other fluids onboard?
A: While specifically designed for seawater cooling lines, its corrosion-resistant materials and robust design make it suitable for a range of shipboard fluids, including fuel oil, lubricating oil, ballast water, and general service water. Material selection can be adjusted based on the specific fluid.
Q: What are the advantages of choosing a pneumatic actuator over an electric one for this application?
A: Pneumatic actuators are often preferred in marine environments due to their simplicity, fast response, high force output, and inherent safety in explosive atmospheres. They typically use the ship's compressed air system, which is a readily available and reliable power source.
Q: Does compliance with DIN 3357 mean the valve flanges are only compatible with DIN piping?
A: No. While the valve is manufactured according to DIN 3357 for quality and dimensional standards, we can supply it with flanges matching various standards (DIN, ANSI, JIS) upon request to ensure compatibility with your existing piping system.
Q: What is the typical response time of the pneumatic actuator?
A: The response time depends on valve size, actuator model, and air supply pressure. Generally, for on/off operation, full travel (open to close) can be achieved within a few seconds, providing quick control action.
Q: Can this valve be used for modulating (throttling) control, not just on/off?
A: Yes. By adding a pneumatic positioner accessory, the valve can be used for precise modulating control to regulate flow rates, which is useful in cooling systems requiring variable flow.
Q: What maintenance is required for this valve in seawater service?
A: Maintenance is minimal. Periodic inspection of the actuator for air leaks and lubrication, along with checking the valve for any seal wear, is recommended. The corrosion-resistant materials significantly reduce maintenance needs compared to standard valves.
Q: Do you provide custom configurations, such as different actuator mounting or special materials?
A: Yes. As a manufacturer, we offer customization. Options include different actuator mounting orientations (top-mounted, side-mounted), special materials for extreme corrosion or temperature, and various accessory packages. Please inquire with your specific requirements.
Q: What is the warranty or quality guarantee for this product?
A> Our products are manufactured under an ISO9001 quality system, ensuring consistent quality. We provide a standard warranty against manufacturing defects. Specific warranty terms are provided with the commercial contract and can be discussed based on the application.