CB/T467 Small Bore Gate Valve for Engine Room Cooling Water Lines
Product Spotlights
As a specialized manufacturer with a strong focus on marine fluid control solutions, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our CB/T467 Small Bore Gate Valve, engineered specifically for the demanding environment of engine room cooling water lines. With our commitment to quality underscored by ISO9001 certification and years of experience serving global maritime markets, we understand the critical need for reliable, leak-free isolation in auxiliary systems. This valve is designed to offer precise flow control and secure shut-off, ensuring the operational integrity and safety of your vessel's cooling circuits. Its robust construction and compliance with the CB/T467 marine standard make it a trusted component for shipbuilders, repair yards, and equipment suppliers worldwide.
The core value of this small bore gate valve lies in its durability, ease of operation, and maintenance-friendly design. Engine room environments are characterized by vibration, thermal cycles, and potential corrosion. Our valve is built to withstand these challenges, providing long service life and reducing the total cost of ownership through minimal downtime. The non-rising stem design is particularly advantageous in confined spaces, a common scenario in engine rooms.
Key Features & Technical Advantages:
- Marine-Specific Design: Manufactured in strict accordance with the CB/T467 Chinese ship standard, ensuring compatibility and performance expectations for marine applications.
- Robust Construction: The valve body is typically crafted from high-grade cast iron or cast steel, providing excellent mechanical strength and corrosion resistance against seawater and treated cooling water.
- Superior Sealing: Features a wedge gate and seat rings made from materials like bronze or stainless steel. This combination ensures a bubble-tight seal when closed and minimizes wear during operation.
- Compact & Space-Saving: As a small bore valve (typically DN15 to DN50), it is ideal for auxiliary lines without occupying excessive space, crucial in the crowded engine room layout.
- Easy Operation & Maintenance: The handwheel operation provides clear visual indication of valve position. The design often allows for in-line maintenance or replacement of internal parts without removing the entire valve body from the pipeline.
- Versatile Connection: Standard flanged ends per relevant standards (e.g., JIS, DIN, ANSI) facilitate easy and secure installation into existing cooling water piping systems.
Detailed Technical Specifications:
| Parameter | Specification |
| Product Standard | CB/T467 |
| Nominal Diameter (DN) | 15, 20, 25, 32, 40, 50 (Other sizes customizable) |
| Nominal Pressure (PN) | PN10, PN16 |
| Suitable Medium | Fresh Water, Sea Water (Cooling Water), Oil |
| Medium Temperature | 0°C ~ 80°C |
| Body Material | Cast Iron (HT200/250), Cast Steel (WCB) |
| Gate & Seat Material | Bronze, Stainless Steel (304/316) |
| Stem Material | Stainless Steel |
| Operation Mode | Handwheel (Non-rising Stem) |
| Flange Standard | JIS 10K, DIN PN16, ANSI 150LB (Available upon request) |
| Paint / Coating | Epoxy Paint or Galvanized (Optional) |
Benefits for Your Operations:
- Enhanced System Reliability: Provides a dependable shut-off point for maintenance on coolers, pumps, or filters without draining the entire system.
- Reduced Maintenance Costs: Durable materials and design reduce the frequency of repairs and replacements.
- Improved Safety: Secure isolation capability allows for safe work on downstream equipment.
- Global Compliance: Adherence to the CB/T standard is widely recognized in international shipbuilding and repair, simplifying procurement and approval processes.
- Inventory Simplification: Its standardized design makes it a versatile spare part suitable for various points within the cooling water system.
Choosing Shanghai Zhibang as your supplier means partnering with an experienced manufacturer whose products are proven across diverse maritime markets from North America and Europe to Southeast Asia and Africa. Our annual export volume reflects the trust placed in us by international clients. We support flexible shipment from major ports like Shanghai and Guangzhou, ensuring timely delivery to your project site or warehouse. This CB/T467 Gate Valve is more than just a component; it's a commitment to the smooth and safe operation of your vessel's vital cooling system. Contact us today for a quotation, detailed technical drawings, or to discuss custom requirements for your specific application.
Frequently Asked Questions (FAQ):
Q1: Is this valve suitable for use with seawater?
A1: Yes, it is designed for engine room cooling water lines, which often use seawater. We recommend specifying stainless steel (304 or 316) for the trim (seat and gate) for enhanced corrosion resistance in seawater applications.
Q2: What is the main difference between CB/T467 and other valve standards like ANSI or JIS?
A2: CB/T467 is a Chinese national standard specifically for shipbuilding. It defines dimensions, materials, pressure ratings, and testing requirements for marine valves. While functional principles are similar, dimensions and some design details may differ from ANSI or JIS standards. We can supply valves with flanges matching various standards upon request.
Q3: Can this valve be used for throttling or flow regulation?
A3: Gate valves are primarily designed for fully open or fully closed service (isolation). Using them for prolonged throttling can cause vibration and wear on the seating surfaces, potentially leading to leakage. For flow regulation in cooling lines, a globe valve or control valve is a more suitable choice.
Q4: What is the delivery lead time for standard sizes?
A4: For standard sizes (DN15-DN50) in common material configurations, we typically maintain stock or can produce with a lead time of 15-30 days. Exact timing depends on order quantity and current production schedule.
Q5: Do you provide certificates with the valves?
A5: Yes, we provide a material certificate and a factory test report (including shell test and seat test) as standard. Our manufacturing is certified to ISO9001 for quality management.
Q6: Is the handwheel operation suitable for valves in hard-to-reach locations?
A6: The standard handwheel is designed for manual operation. For valves installed in inaccessible locations, we can offer options such as extended stem kits or provision for fitting a chain wheel operator. Please inquire about these accessories when placing your order.
Q7: What is the expected service life of this valve?
A7: Service life depends heavily on operating conditions (water quality, cycle frequency, maintenance). Under normal engine room cooling service with proper installation and occasional maintenance, these valves can provide reliable service for many years.
Q8: Can you customize the valve, for example, with a different paint color or special packing?
A8: Yes, we offer customization services. This can include specific epoxy paint colors for shipyard schemes, different gasket/packing materials (e.g., graphite), or modifications to flange standards. Please provide your detailed requirements for a customized solution.
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