DN80 PN2.5MPa Marine Carbon Steel Globe Check Valve Flanged End Rising Stem With CCS
Product Spotlights
Shanghai Zhibang Valve Manufacture Co., Ltd, established in 2016 and headquartered in Shanghai, China, is a professional manufacturer specializing in high-quality industrial valves. With an annual export value exceeding US$1 million and a strong presence in global markets including North America, Europe, Southeast Asia, and the Middle East, we are proud to present our DN80 PN2.5MPa Marine Carbon Steel Globe Check Valve with Flanged End, Rising Stem, and CCS Certification. This valve combines the functions of a globe valve and a check valve, offering reliable flow regulation and automatic backflow prevention in marine and industrial piping systems. Its robust carbon steel construction and CCS approval ensure compliance with stringent maritime standards, making it an ideal choice for shipbuilding, offshore platforms, and coastal facilities.
Key Features & Technical Specifications
- Dual Functionality: Acts as both a globe valve for throttling and a check valve for preventing reverse flow, simplifying piping design and reducing installation costs.
- Rising Stem Design: The stem rises visibly when the valve is opened, providing a clear visual indication of valve position for easy operation and maintenance.
- Flanged End Connection: Standard raised face flanges (RF) ensure leak-proof sealing and easy integration with existing pipe flanges, suitable for DN80 (3-inch) piping.
- High Pressure Capacity: Rated at PN2.5MPa (approx. 360 psi), capable of handling demanding marine and industrial pressure requirements.
- Durable Construction: Made from high-quality carbon steel (WCB), with stainless steel trim options for enhanced corrosion resistance in seawater environments.
- CCS Type Approval: Certified by China Classification Society, meeting the highest safety and reliability standards for marine applications.
- Easy Maintenance: The bonnet design allows for in-line repairs without removing the valve from the pipeline, reducing downtime.
Technical Parameters
| Parameter | Value |
| Nominal Diameter | DN80 (3 inch) |
| Pressure Nominal | PN2.5MPa (Class 150) |
| Body Material | Carbon Steel ASTM A216 WCB |
| Trim Material | 13Cr or SS304 (optional) |
| Connection Standard | Flanged End, RF, ASME B16.5 / GB/T 9113 |
| Stem Type | Rising Stem, outside screw |
| Operation | Manual handwheel |
| Design Standard | API 602 / BS 1868 |
| Test Standard | API 598 / ISO 5208 |
| Temperature Range | -29°C to +425°C |
Applications & Benefits
- Marine Systems: Ideal for seawater cooling lines, ballast systems, fire-fighting systems, and fuel oil transfer on ships and offshore platforms.
- Industrial Piping: Suitable for steam, water, oil, and gas applications where both flow control and backflow prevention are required.
- Space & Cost Saving: Replaces two separate valves (globe + check) with one compact unit, reducing weight, installation space, and maintenance costs.
- Reliable Sealing: The disc and seat are designed for tight shut-off, ensuring minimal leakage and long service life.
- Global Compatibility: Flange dimensions conform to multiple international standards (ANSI, DIN, GB), and the valve can be customized for specific requirements.
Why Choose Shanghai Zhibang?
Since 2016, Shanghai Zhibang Valve has been dedicated to manufacturing reliable valves for global clients. Our factory is ISO9001 certified, ensuring strict quality control from raw material to finished product. With an annual export value of US$1-1.5 million, we supply to diverse markets including North America, Europe, Southeast Asia, Africa, and Oceania. Each DN80 PN2.5MPa marine globe check valve is individually tested for pressure and leakage before shipment. Our professional team provides technical support, fast delivery from Shanghai port, and after-sales service. Whether you need a single valve or bulk order, we are your trusted partner for marine valve solutions. Contact us today for a quotation or customization!
Frequently Asked Questions (FAQ)
-
Q: What is the difference between a globe check valve and a regular globe valve?
A: A globe check valve combines the throttling function of a globe valve with the automatic backflow prevention of a check valve. It allows flow in one direction and automatically closes when reverse flow occurs, eliminating the need for a separate check valve. -
Q: Is the valve certified for marine use?
A: Yes, this valve carries CCS (China Classification Society) type approval, making it suitable for marine applications on vessels classed by CCS. It can also be supplied with other classification certificates upon request. -
Q: What are the available flange standards?
A: Standard flanges are designed according to ASME B16.5 (Class 150) and GB/T 9113 (PN2.5MPa). We can also manufacture to DIN, JIS, or other standards upon request. -
Q: Can the valve be used for seawater?
A: Yes, the carbon steel body with stainless steel trim (optional) provides good corrosion resistance. For aggressive seawater environments, we recommend upgrading the trim to SS316 or duplex stainless steel for extended longevity. -
Q: What is the operating temperature range?
A: The standard valve is suitable for temperatures from -29°C to +425°C. For higher temperature applications, special materials can be used. -
Q: Do you provide a warranty?
A: Yes, we offer a standard 12-month warranty against manufacturing defects. Extended warranty options are available upon negotiation. -
Q: What is the lead time for DN80 PN2.5MPa globe check valves?
A: For standard configurations, typical lead time is 15-25 working days after order confirmation. Rush orders can be expedited. -
Q: Can the valve be supplied with pneumatic or electric actuator?
A: Yes, our manual handwheel operation can be replaced with pneumatic, electric, or hydraulic actuators to meet remote control requirements. Please specify when ordering.
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