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CB/T4303 Valve for Marine Engine Room Compressed Air Supply, Durable Cast Iron Build
Product Spotlights
CB/T4303 standard marine valve designed for engine room compressed air systems. Features a durable cast iron body for corrosion resistance and long life. Ensures reliable, leak-free operation critical for pneumatic tools and control systems. Offers customizable sizes (DN15-DN300), pressure ratings, connections, and optional pneumatic actuation. Backed 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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Application:
Other, Marine Engine Room Compressed Air Supply
Material:
Durable Cast Iron Body
Product Standard:
CB/T4303
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Application
Other, Marine Engine Room Compressed Air Supply
Material
Durable Cast Iron Body
Product Standard
CB/T4303
Valve Type
Globe Valve / Gate Valve (Typical)
Connection Type
Flanged, Threaded (customizable)
Pressure Rating
PN16, PN25, PN40 (available upon request)
Temperature Range
-20°C to 200°C (typical)
Size Range
DN15 to DN300 (customizable)
Sealing Material
PTFE, Metal (optional)
Operation
Manual, Pneumatic Actuated (optional)
As a professional manufacturer with ISO9001-certified quality management, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in providing reliable fluid control solutions for the global maritime industry. Our CB/T4303 Valve for Marine Engine Room Compressed Air Supply represents our commitment to durability and performance under demanding conditions. Engineered with a robust cast iron build, this valve is designed to ensure a stable and secure compressed air supply, which is critical for the safe and efficient operation of various pneumatic systems onboard vessels.
The maritime environment demands components that can withstand corrosion, vibration, and pressure fluctuations. Our valve is meticulously manufactured to meet the specific requirements of the CB/T4303 standard, ensuring compatibility and reliability within marine compressed air systems. With an annual export value reflecting our global reach across markets from North America and Europe to Southeast Asia and Africa, we understand the diverse needs of shipbuilders, repair yards, and equipment suppliers worldwide.
Core Product Features & Technical Advantages:
- Superior Durability: The valve body is constructed from high-grade cast iron, offering exceptional resistance to wear, corrosion from salty air, and mechanical stress, leading to a prolonged service life and reduced maintenance cycles.
- Precision Engineering for Air Systems: Designed specifically for compressed air supply, it ensures minimal pressure drop, reliable shut-off, and leak-free operation, which is vital for the performance of pneumatic tools, control systems, and starting air for auxiliary engines.
- Compliance & Safety: Manufactured in adherence to the CB/T4303 standard, a recognized specification for marine valves, ensuring the product meets stringent requirements for materials, design, pressure testing, and performance in marine applications.
- Versatile Configuration: Available in various types such as globe valves for flow regulation or gate valves for isolation. Multiple connection types (flanged, threaded) and pressure ratings can be customized to fit specific pipeline layouts and system pressures.
- Enhanced Sealing Technology: Equipped with advanced sealing materials like PTFE or metal seats, providing excellent sealing performance across a wide temperature range from -20°C to 200°C, preventing air loss and ensuring system efficiency.
- Operational Flexibility: Offered with manual handwheel operation as standard, with the option for pneumatic actuation for remote or automated control, integrating seamlessly into modern engine room management systems.
Detailed Technical Specifications:
| Parameter | Specification / Option |
| Design Standard | CB/T4303 |
| Primary Material (Body) | Durable Cast Iron |
| Nominal Diameter (DN) | DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300 (Customizable) |
| Pressure Rating (PN) | PN16, PN25, PN40 (Available upon request) |
| Connection Standards | Flanged (GB, JIS, ANSI, DIN), Threaded (NPT, BSPT, BSPP) |
| Sealing Material | PTFE (Standard), Metal Seal (Optional for high-temp) |
| Temperature Range | -20°C to 200°C |
| Operation Method | Manual Handwheel (Standard), Pneumatic Actuator (Optional) |
Benefits for Your Operations:
- Increased System Reliability: Robust construction and compliant design minimize failure risks in critical air supply lines, preventing operational downtime and ensuring crew safety.
- Cost-Effective Maintenance: The durable cast iron body and quality internal components reduce the frequency of repairs and replacements, lowering the total cost of ownership over the valve's lifecycle.
- Global Supply Compatibility: With shipments facilitated from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, and experience serving a vast network across five continents, we ensure timely delivery and support for your projects anywhere.
- Customization for Specific Needs: We offer tailored solutions regarding size, pressure rating, connection type, and actuation method, ensuring the valve perfectly integrates into your existing or new-build marine systems.
Backed by our ISO9001 certification and nearly a decade of manufacturing expertise since 2016, Shanghai Zhibang Valve stands as a trusted partner for marine valve supply. Our consistent annual export performance demonstrates our ability to meet international quality expectations and delivery schedules. Choosing our CB/T4303 Marine Compressed Air Valve means investing in a component that delivers unwavering performance, enhances operational safety, and is supported by a manufacturer with a proven global footprint. Contact us today to discuss your specific requirements or to request a detailed quotation.
Frequently Asked Questions (FAQ):
-
Q: What does "CB/T4303" mean, and why is it important for this valve?
A: CB/T4303 is a Chinese industry standard specifically for marine valves. It defines requirements for materials, design, manufacturing, testing, and inspection to ensure suitability and safety for marine applications. Compliance with this standard is a key indicator of the valve's reliability in the harsh marine environment. -
Q: Is cast iron suitable for marine use considering corrosion?
A: Yes. The cast iron used is a high-quality, durable grade often treated with protective coatings or paints to enhance its corrosion resistance against salty, humid air typically found in engine rooms. It provides an excellent balance of strength, durability, and cost-effectiveness for compressed air service. -
Q: Can this valve be used for gases other than compressed air?
A: While designed specifically for compressed air supply, it may be suitable for other inert gases (like nitrogen) within the specified pressure and temperature ranges. However, compatibility with specific media should be confirmed with our technical team prior to application. -
Q: What are the available connection types and standards?
A: We offer flanged connections compliant with GB, JIS, ANSI, and DIN standards, as well as threaded connections like NPT, BSPT, and BSPP. The specific standard can be selected based on your pipeline system's design. -
Q: Do you offer valves with actuators for automated control?
A: Absolutely. While manual operation is standard, we can supply the valve equipped with pneumatic actuators (single-acting or double-acting) for integration into automated control systems, allowing for remote operation from the control room. -
Q: What is the typical lead time for orders?
A: Lead times vary based on order quantity, customization requirements, and current production schedule. Standard configurations typically have shorter lead times. We provide accurate timelines upon receipt of your detailed inquiry. -
Q: How do you ensure quality control?
A> Our manufacturing process is governed by an ISO9001-certified quality management system. Each valve undergoes rigorous inspections and tests, including shell tests, seat tests, and pressure tests, to verify it meets the CB/T4303 standard and our own high-quality benchmarks before shipment. -
Q: What are your main export markets and shipping terms?
A> We export extensively worldwide, with key markets in North America, Europe, Southeast Asia, Africa, and the Middle East. We ship from major Chinese ports (Shanghai, Guangzhou, Hong Kong, Beijing) and can work under common international trade terms like FOB, CIF, or CFR based on customer preference.
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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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