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CB/T3591-2005 Gate Valve for Marine Freshwater Systems, Cast Iron Body, Bronze Trim
Product Spotlights
CB/T3591-2005 compliant marine gate valve featuring a durable cast iron body and corrosion-resistant bronze trim for reliable freshwater flow control onboard ships. Offers full-port design, rising stem for clear position indication, and customizable configurations. Manufactured under ISO9001 with global export experience, ensuring quality and compatibility for diverse marine applications.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Other, Cast Iron Body, Bronze Trim
Standard:
Other, CB/T3591-2005
Application:
Other, Marine Freshwater Systems
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Material
Other, Cast Iron Body, Bronze Trim
Standard
Other, CB/T3591-2005
Application
Other, Marine Freshwater Systems
Connection Type
Flanged (Standard), Others Optional
Pressure Rating
PN10, PN16, or Customizable
Size Range
DN15 to DN300 (Customizable)
Operation
Handwheel, Gearbox (Optional)
Seat Material
Bronze
Design
Rising Stem, Solid Wedge
As a specialized manufacturer with ISO9001 certified quality management, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our CB/T3591-2005 compliant Gate Valve engineered for marine freshwater systems. With a robust cast iron body and precision bronze trim, this valve is built to deliver reliable flow control and long-lasting performance in demanding shipboard environments. Since our establishment in 2016, we have focused on producing industrial valves that meet stringent international standards, and our products are trusted by clients across North America, South America, Europe, Asia, and beyond. This marine gate valve exemplifies our commitment to durability, safety, and precise engineering for critical fluid handling applications.
Our gate valve is specifically designed to meet the rigorous requirements of marine freshwater systems, including cooling lines, potable water distribution, and general service applications onboard vessels. The combination of materials and adherence to the CB/T3591-2005 standard ensures compatibility with maritime operational demands.
Key Features & Technical Advantages:
- Superior Material Combination: The cast iron body provides excellent strength and corrosion resistance for the valve housing, while the bronze trim (including seat, disc, and stem) offers superior resistance to seawater corrosion and wear, ensuring a longer service life and reduced maintenance.
- Compliant Design: Manufactured in strict accordance with the Chinese Shipbuilding Standard CB/T3591-2005, which specifies requirements for gate valves used in marine piping systems, guaranteeing performance and safety for marine applications.
- Reliable Sealing: Features a solid wedge disc design that ensures tight shut-off and minimizes leakage when fully closed. The bronze-to-bronze seating surfaces provide excellent sealing characteristics and are self-lapping for improved performance over time.
- Durable Operation: Equipped with a rising stem design that provides clear visual indication of the valve position (open or closed). The stem is threaded and operates smoothly within a bronze stem nut, reducing operational torque and wear.
- Versatile Configurations: Available in a wide range of sizes and pressure ratings to suit various system requirements. Optional gear operators can be provided for larger sizes or applications requiring reduced manual effort.
- Easy Maintenance: Designed with maintenance in mind. The gland packing can be adjusted or replaced with the valve under pressure, minimizing system downtime.
Technical Specifications:
| Parameter | Specification |
|---|---|
| Design & Manufacturing Standard | CB/T3591-2005 |
| Body Material | Cast Iron |
| Trim Material (Seat, Disc, Stem) | Bronze |
| Nominal Pressure (PN) | PN10, PN16 (Other ratings available) |
| Nominal Diameter (DN) | From DN15 (1/2") to DN300 (12") |
| Connection Type | Flanged as per standard (JIS, ANSI, DIN, GB), Others customizable |
| Temperature Range | -10°C to 120°C for freshwater service |
| Operation | Handwheel (Standard), Gear Operator (Optional) |
| Flow Characteristic | Full Port, Minimal Pressure Drop |
Benefits for Your Operations:
- Enhanced System Reliability: The robust construction and corrosion-resistant materials reduce failure rates, ensuring uninterrupted operation of critical marine freshwater systems.
- Reduced Lifetime Cost: The durability of bronze trim against wear and corrosion translates to fewer replacements and lower long-term maintenance expenses.
- Regulatory Compliance: Using a valve manufactured to the recognized CB/T3591-2005 standard simplifies approval processes for shipbuilding and repair projects.
- Global Supply Chain Support: With annual export values between US$1 Million and US$1.5 Million and shipments from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, we ensure reliable and timely delivery to your project sites worldwide.
Backed by our ISO9001 certification, which governs our entire manufacturing process from raw material inspection to final testing, every valve undergoes rigorous quality checks. Our extensive experience supplying to diverse markets including North America, Eastern Europe, Southeast Asia, Africa, and Oceania demonstrates our capability to meet varied international standards and client specifications. Choose Shanghai Zhibang's marine gate valve for a solution that combines proven standard compliance, material excellence, and manufacturer reliability. Contact us today to discuss your specific requirements or to request a detailed quotation.
Frequently Asked Questions (FAQ):
-
What does "Bronze Trim" mean in this valve?
"Bronze Trim" refers to the internal wetted parts of the valve that are in contact with the fluid. In this model, the seat (sealing surface), disc (gate), and stem are made of bronze. This material offers excellent corrosion resistance in freshwater environments, which is crucial for marine applications. -
Is this valve suitable for seawater systems?
This valve is designed and standardized (CB/T3591-2005) specifically for freshwater systems onboard ships. For seawater applications, different material combinations (like bronze body or super duplex stainless steel) are typically required. We can provide valves for seawater service upon request. -
Can you provide valves with different flange standards?
Yes, absolutely. While we manufacture to the CB/T3591-2005 standard, we can produce valves with flanges matching ANSI, JIS, DIN, GB, or other international standards based on your project specifications. Please provide the required standard when inquiring. -
What is the typical delivery time for an order?
Delivery time depends on the order quantity, size, and specific configuration. For standard sizes and moderate quantities, we generally maintain a lead time of 4-6 weeks. We ship from major Chinese ports including Shanghai, Guangzhou, Hong Kong, and Beijing for efficient logistics. -
Do you offer customization beyond the standard specifications?
Yes, as a manufacturer, we offer various customization options. These can include special paint coatings, different stem extensions, locking devices, position indicators, or modifications to pressure ratings and dimensions. Discuss your needs with our engineering team. -
How does the CB/T3591-2005 standard compare to other marine valve standards?
CB/T3591-2005 is a Chinese national professional standard for shipbuilding, specifically for marine gate valves. It defines requirements for design, materials, manufacturing, testing, and marking. It is widely recognized and accepted in international shipbuilding, particularly for vessels built or classed in Asia. -
What kind of testing is performed on these valves before shipment?
Each valve undergoes hydrostatic shell testing and seat leakage testing as per the CB/T3591-2005 standard. Our ISO9001 quality system ensures consistent testing procedures and documentation, including test reports which can be provided with the shipment. -
What are the main applications for this valve on a ship?
This gate valve is primarily used in onboard freshwater systems such as domestic/potable water distribution, engine cooling freshwater lines, boiler feedwater systems, and other general service freshwater pipelines where reliable isolation is required.
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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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