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Help CenterCB/T590 Standard Marine Steam Valve, Globe Type, Bolted Gland, Suitable for Saturated Steam Lines
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As a professional valve manufacturer with ISO9001 certified quality management, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our CB/T590 Standard Marine Steam Valve. Engineered specifically for demanding marine applications, this globe-type valve with a bolted gland design offers reliable and precise control for saturated steam lines onboard vessels. Our commitment to stringent manufacturing standards ensures each valve delivers consistent performance, durability, and safety, supporting the operational efficiency of maritime fleets worldwide. With extensive export experience across continents, we understand the critical needs of the marine industry and provide solutions that meet international expectations.
This marine steam valve is constructed to withstand the harsh conditions of shipboard environments. The globe valve design provides excellent throttling capability and shut-off for steam service, while the robust bolted gland ensures a secure stem seal, preventing steam leakage and maintaining system integrity. It is a vital component for various steam-based systems on ships, including heating, auxiliary power, and cargo handling operations.
Key Features & Technical Advantages:
- Standard Compliance: Manufactured in strict accordance with the Chinese CB/T590 standard for marine valves, ensuring compatibility and reliability for shipbuilding and repair specifications.
- Robust Bolted Gland Design: Features a sturdy bolted gland packing arrangement that allows for easy adjustment and maintenance of the stem seal, effectively containing steam pressure and extending service life.
- Optimized for Saturated Steam: Specifically designed for saturated steam line service, with material selections and internal design that handle thermal expansion, condensation, and erosive effects.
- Durable Construction: The valve body is typically crafted from high-grade cast steel or cast iron, with trim materials like stainless steel or bronze for the seat and disc, offering excellent resistance to corrosion and wear.
- Precise Flow Control: The globe valve design provides linear flow characteristics, allowing for fine flow regulation and reliable isolation when fully closed, which is crucial for steam system efficiency and safety.
- Easy Operation & Maintenance: Designed for accessibility in confined engine room spaces. The bolted gland simplifies repacking procedures, minimizing downtime during routine maintenance.
The valve offers significant benefits for ship owners, operators, and shipyards. It enhances system safety by providing a reliable shut-off point, improves energy efficiency through precise steam control, and reduces long-term maintenance costs due to its durable construction and service-friendly design. By choosing our CB/T590 valve, you invest in a component that contributes to the overall reliability and operational readiness of your vessel's steam systems.
Typical Technical Specifications:
| Parameter | Specification / Option |
| Design Standard | CB/T590 |
| Valve Type | Globe, Bolted Gland |
| Nominal Pressure (PN) | PN16, PN25, PN40 (Available upon request) |
| Nominal Size (DN) | DN15 to DN300 (Customizable) |
| Suitable Medium | Saturated Steam |
| Body Material | Cast Steel WCB, Cast Iron (Other materials optional) |
| End Connection | Flanged (RF, FF), as per standard |
| Operation | Handwheel (Standard), Gear Operator (Optional) |
Backed by our ISO9001 certification and nearly a decade of manufacturing expertise since 2016, Shanghai Zhibang Valve guarantees a product built on a foundation of quality and consistency. Our valves have gained trust in diverse markets, from North America and Western Europe to Southeast Asia and Africa, with an annual export value reflecting our global reach and customer satisfaction. We offer flexible shipment options from major Chinese ports, ensuring timely delivery to your project site. For a reliable, standard-compliant solution for your marine steam systems, contact us to discuss your specific requirements or request a detailed quotation. Let our expertise in marine valves contribute to the smooth sailing of your operations.
Frequently Asked Questions (FAQ)
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Q: What is the main application of this CB/T590 marine steam valve?
A: This valve is specifically designed for use in saturated steam pipelines onboard ships and offshore platforms. It is commonly used in systems for heating, tank heating, auxiliary machinery, and other steam services where reliable shut-off and regulation are required. -
Q: How does the bolted gland design benefit maintenance?
A: The bolted gland allows for easy access to the packing chamber. By simply loosening the bolts, maintenance personnel can adjust the packing compression or replace the packing rings to restore the stem seal, all without requiring special tools or removing the valve from the line in many cases. -
Q: Can this valve be used with superheated steam?
A: This valve is designed and rated for saturated steam service as per the CB/T590 standard. For superheated steam applications, different material grades and design considerations may be necessary. Please consult with our technical team for specific medium conditions. -
Q: What pressure classes are typically available?
A: We commonly produce these valves in pressure classes such as PN16, PN25, and PN40. The specific pressure rating should be selected based on your system's design pressure. Other classes can be discussed for custom orders. -
Q: Are the flanges drilled according to international standards?
A: Yes, the flanges are typically machined to common international standards like ISO, DIN, or ANSI, depending on customer requirements and the specific order specifications. Please specify your required flange standard when inquiring. -
Q: What is the lead time for a standard order?
A: Lead time varies based on order quantity, size, and material specifications. For standard configurations in common sizes, we generally maintain stock or offer competitive production schedules. We provide estimated lead times with every quotation. -
Q: Do you offer valves with different materials for corrosive environments?
A: Yes. While standard bodies are cast steel or iron, we can supply valves with bodies and internals made from materials like stainless steel (CF8, CF8M), bronze, or other alloys to suit specific corrosive or high-purity service needs upon request. -
Q: What documentation is provided with the valves?
A: Standard documentation includes a material test certificate, product certificate of compliance with CB/T590, packing list, and commercial invoice. Additional documentation like inspection reports or third-party certification can be arranged.
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