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Home > Industrial Equipment & Components > Valve > Gate Valve > CB/T3591 Standard Marine Gate Valve OEM Factory With Cast Steel Body and Stainless Steel Trim
CB/T3591 Standard Marine Gate Valve OEM Factory With Cast Steel Body and Stainless Steel Trim
Product Spotlights
CB/T3591 compliant marine gate valve designed for harsh seawater environments. Features a durable cast steel body for pressure integrity and stainless steel trim for superior corrosion resistance. Offers reliable bubble-tight shut-off in marine ballast, cooling, and service systems. Available in a wide size range (DN50-DN600) with flanged connections. Supports OEM customization and actuation options. Manufactured under ISO9001 standards, ensuring quality for global maritime applications.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Standard:
Other, CB/T3591
Application:
Other, Marine and Offshore Systems
Body Material:
Cast Steel
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Standard
Other, CB/T3591
Application
Other, Marine and Offshore Systems
Body Material
Cast Steel
Trim Material
Stainless Steel
Service Type
OEM Factory
Connection Type
Flanged (Standard)
Operation Type
Handwheel, Gear, or Actuator
Pressure Rating
Class 150 to Class 300
Size Range
DN50 to DN600 (2“ to 24“)
Design
Rising Stem, Bolted Bonnet
Shanghai Zhibang Valve Manufacture Co., Ltd., a professional valve manufacturer established in 2016, specializes in producing high-quality industrial valves for global markets. We proudly present our CB/T3591 Standard Marine Gate Valve, a robust solution engineered for demanding marine and offshore applications. Built with a durable cast steel body and corrosion-resistant stainless steel trim, this valve is designed to ensure reliable isolation, long service life, and minimal maintenance in seawater and harsh environments. Our OEM factory capabilities allow us to provide tailored solutions that meet specific project requirements, ensuring you get a valve that fits your system perfectly.
Core Product Features & Technical Advantages:
- Rugged Construction: The combination of a cast steel body (providing high strength and pressure resistance) and stainless steel trim (offering excellent corrosion resistance) creates a valve built to withstand the challenges of marine service, including exposure to saltwater, varying pressures, and mechanical stress.
- Strict Standard Compliance: Manufactured in strict accordance with the Chinese CB/T3591 standard for marine valves, ensuring dimensional interchangeability, performance reliability, and suitability for shipbuilding and offshore platform applications.
- Superior Sealing Performance: Features a precision-machined wedge or parallel slide gate design paired with resilient or metal seals. This ensures bubble-tight shut-off, preventing leakage in critical piping systems for ballast, bilge, cooling, and fuel lines.
- Versatile Operation & Configuration: Available with handwheel, gear operator, or pneumatic/electric actuator options to suit different operational needs and automation levels. The rising stem design provides clear visual indication of valve position (open or closed).
- Broad Application Scope: Engineered specifically for use in seawater systems, fire-fighting lines, ballast systems, tanker cargo handling, and general ship service pipelines on various vessels including cargo ships, tankers, offshore supply vessels, and floating platforms.
- Optimized Flow Path: The full-bore design minimizes pressure drop across the valve when fully open, ensuring efficient fluid transfer and reducing pumping energy costs.
- Ease of Maintenance: The bolted bonnet design allows for relatively straightforward access to internal components for inspection, seal replacement, or maintenance, contributing to lower lifecycle costs.
Key Technical Specifications:
| Parameter | Specification / Details |
| Product Standard | CB/T3591 (Marine Standard) |
| Body Material | Cast Steel (e.g., WCB, LCB, CF8M available) |
| Trim Material (Seat, Stem, Wedge) | Stainless Steel (e.g., 304, 316, 316L) |
| Pressure Class | Commonly PN16, PN25, PN40; Class 150, Class 300 |
| Size Range (Nominal Diameter) | DN50 ~ DN600 (2" ~ 24") - Custom sizes available |
| Connection Type | Flanged (RF, FF), ends per standard (JIS, ANSI, DIN, GB) |
| Temperature Range | -29°C to +425°C (depending on material grade) |
| Seat Leakage Rate | Meets or exceeds API 598 / MSS-SP-61 requirements |
Benefits for Your Project:
- Enhanced System Reliability: The robust construction and marine-grade materials reduce failure risks, ensuring continuous operation of vital ship systems.
- Reduced Maintenance Downtime: Durable materials and quality manufacturing lead to extended service intervals, minimizing operational disruptions and maintenance costs.
- Compliance & Safety: Using CB/T3591 standard valves helps meet classification society requirements (like ABS, DNV, LR, BV) for marine applications, contributing to overall vessel safety and certification.
- Cost-Effective Sourcing: As a direct manufacturer with OEM capabilities, we offer competitive pricing without compromising on quality, providing excellent value for shipyards, equipment packages, and end-users.
- Global Supply Chain Support: With an annual export value between US$1 Million and US$1.5 Million and experience shipping from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, we reliably supply markets across North America, South America, Europe, Asia, Africa, and Oceania.
Our commitment to quality is underpinned by our ISO9001 certification, ensuring a controlled manufacturing process from raw material inspection to final testing. This CB/T3591 Marine Gate Valve represents a reliable, high-performance component for your marine piping systems. It combines the strength required for high-pressure applications with the corrosion resistance needed for long-term seawater exposure. For shipbuilders, marine engineers, and offshore operators seeking durable, compliant, and cost-effective valve solutions, this product offers a compelling choice. Contact us today to discuss your specific requirements, request a detailed quotation, or explore our full range of marine valves tailored for global maritime industries.
Frequently Asked Questions (FAQ):
-
Q: What is the main advantage of using a valve compliant with CB/T3591?
A: The CB/T3591 is a Chinese national standard specifically developed for marine valves. Using a compliant valve ensures it meets the dimensional, material, and performance requirements commonly accepted in shipbuilding, facilitating approval by various maritime classification societies and ensuring compatibility with other marine piping components. -
Q: Can this valve be used with other media besides seawater?
A: Yes. While optimized for seawater service, the cast steel body and stainless steel trim construction makes it suitable for a range of other fluids in marine and industrial settings, including oils, fuels, air, and certain chemicals, depending on the specific material grades selected. Always confirm material compatibility for your specific media. -
Q: What types of end connections are available?
A: Flanged connections are standard. We can supply flanges machined to various standards such as ANSI, JIS, DIN, or GB to match your existing pipeline flanges. Other connection types like butt-weld ends may be available upon request for specific projects. -
Q: Is the stainless steel trim suitable for high-salinity environments?
A: Yes, particularly if 316 or 316L stainless steel is specified. These grades offer enhanced resistance to pitting and crevice corrosion in chloride-rich environments like seawater, making them a preferred choice for marine valve trim. -
Q: Do you offer actuated versions of this gate valve?
A: Absolutely. We provide customization options to fit the valve with pneumatic actuators, electric actuators, or gearboxes. This allows for remote operation or integration into automated control systems on modern vessels and offshore platforms. -
Q: What is your typical lead time for production and delivery?
A: Lead times vary based on order quantity, size, and customization level. For standard sizes and configurations, production can often be completed within 4-8 weeks. We ship globally from ports in Shanghai, Guangzhou, Hong Kong, and Beijing, with shipping times dependent on the destination. -
Q: Do you provide documentation like material certificates and test reports?
A: Yes, as an ISO9001 certified manufacturer, we provide essential documentation including material certificates (CMTR), pressure test reports, and dimensional inspection reports. These documents are crucial for quality traceability and submission to classification societies or clients. -
Q: Can you produce valves according to other international marine standards?
A: Yes. While we specialize in CB/T3591, our manufacturing capabilities allow us to produce valves to other recognized standards such as ISO, JIS, DIN, or specific classification society rules (e.g., ABS, DNV-GL) based on customer requirements and project specifications.
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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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