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Help CenterBronze Flanged Gate Valve Compliant With CB/T467, Internal Parts Machined From Tin Bronze for Corrosion Resistance
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As a professional manufacturer of industrial valves since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our high-performance Bronze Flanged Gate Valve, engineered to meet the rigorous CB/T467 standard. This valve is meticulously crafted for applications demanding reliable shut-off and superior corrosion resistance in water, oil, gas, and low-pressure steam systems. With an annual export value consistently between US$1-1.5 million, our commitment to quality is recognized across diverse markets from North America to Southeast Asia.
Our valve stands out due to its construction from premium tin bronze alloys (such as C83600 or C84400), where all critical internal components—including the disc, seat, and stem—are precision-machined from solid bronze stock. This design philosophy ensures uniform material properties and eliminates the weaknesses associated with cast-in-place components, delivering enhanced durability and leak-free performance.
Core Product Advantages & Technical Specifications:
- Superior Corrosion & Erosion Resistance: Tin bronze offers excellent resistance to dezincification, seawater corrosion, and erosion from suspended particles, making it ideal for marine, plumbing, and general industrial service.
- Enhanced Mechanical Integrity: Machined internal parts provide superior dimensional accuracy, better surface finish, and consistent grain structure compared to as-cast parts, resulting in tighter sealing and smoother operation.
- Reliable Bubble-Tight Shut-Off: The precision-machined wedge disc and seat create a metal-to-metal seal capable of achieving bubble-tight closure, minimizing fluid loss and ensuring system safety.
- Robust Flanged Design: The flanged ends facilitate secure, bolted connections to piping systems, allowing for easy installation, maintenance, and high structural integrity under pressure.
- Versatile Pressure & Temperature Ratings: Suitable for a wide range of operating conditions commonly found in HVAC, shipbuilding, and chemical processing plants.
The following table details the typical specifications for our standard product range. Custom configurations regarding pressure class, flange standards, and dimensions are available upon request.
| Parameter | Specification / Value |
| Design & Manufacturing Standard | CB/T467 |
| Body & Bonnet Material | Tin Bronze Casting |
| Internal Parts (Disc, Seat, Stem) | Machined from Tin Bronze Bar/Stock |
| Pressure Classes | Class 125, Class 150 (ANSI); PN10, PN16 (DIN) |
| Flange Standards | GB, ANSI B16.1, JIS B2212, DIN 2501 (Optional) |
| Port Size Range | DN15 (1/2") to DN300 (12") |
| Temperature Range | -20°C to 200°C (Depends on seat material & medium) |
| Operation | Handwheel (Standard), Gear Operator (Optional) |
| Packing | Graphite-based or PTFE-based (Customizable) |
What This Means for Your Operations: Choosing our CB/T467 compliant bronze gate valve translates into tangible benefits for your projects. You gain a component with extended service life in corrosive environments, reduced maintenance downtime due to its reliable sealing, and simplified installation thanks to standardized flanged connections. Our valves are a proven solution for shipboard piping, fire protection systems, industrial water lines, and oil/gas distribution networks where material integrity is non-negotiable.
Frequently Asked Questions (FAQ):
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Q: What is the key advantage of having internal parts machined from bronze bar stock?
A: Machining from solid bar stock ensures superior metallurgical consistency, freedom from casting defects like porosity or inclusions, and excellent mechanical strength. This results in a more reliable seal, better wear resistance, and a longer operational lifespan compared to valves using cast internal components. -
Q: Is this valve suitable for seawater applications?
A: Yes, the tin bronze material offers very good resistance to seawater corrosion and dezincification. It is a preferred material for marine and offshore applications. For highly aggressive seawater, specific bronze grades can be selected upon consultation. -
Q: Can you supply valves with flanges matching ANSI or DIN standards?
A: Absolutely. While compliant with CB/T467, we regularly produce valves with flange dimensions and drilling to ANSI B16.1 (Class 125/150), DIN 2501 (PN10/16), JIS, and other international standards to suit global project specifications. -
Q: What media is this gate valve designed for?
A: It is designed for general service applications including water (fresh, sea, cooling), oil, fuel gas, air, and low-pressure saturated steam. The specific temperature and pressure limits depend on the exact bronze grade and packing material used. -
Q: What is the lead time for standard sizes?
A: For standard sizes (DN15-DN150) in common pressure classes, we typically maintain stock or can deliver within 4-6 weeks. Larger sizes or special configurations may require additional production time. -
Q: Do you offer any actuation options beyond the handwheel?
A: Yes. We can provide bevel gear operators for high-torque or buried service applications. Electric, pneumatic, or hydraulic actuators can also be fitted based on your automation requirements. -
Q: How does CB/T467 compare to other international valve standards?
A: CB/T467 is a Chinese national standard for bronze gate valves that specifies requirements for materials, dimensions, pressure-temperature ratings, and testing. It is broadly comparable in performance intent to standards like MSS-SP-80 or API 600 for bronze valves, ensuring a robust design. -
Q: What quality management system supports your manufacturing?
A: Our production is carried out under an ISO9001 certified quality management system, which governs every step from raw material inspection and machining to final testing and packaging, ensuring consistent product quality.
Backed by our ISO9001 certification and nearly a decade of manufacturing expertise, Shanghai Zhibang delivers valves that meet precise engineering standards. Our global reach, evidenced by exports to over a dozen major markets worldwide, is a testament to the reliability and performance our customers have come to expect. We ship efficiently from major ports like Shanghai, Guangzhou, and Hong Kong. For a durable, corrosion-resistant shut-off solution that combines traditional bronze reliability with modern manufacturing precision, contact us today for a quotation or to discuss your specific project needs.
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