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Help CenterMarine Grade Globe Check Valve, Cast Iron Body, DN50-DN200, PN16, Flanged, Handwheel, LR ABS Classification
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Based in Shanghai, China, Shanghai Zhibang Valve Manufacture Co., Ltd. has been a reliable manufacturer since 2016, with an annual export value of US$1–1.5 million and ISO9001 certification. Our Marine Grade Globe Check Valve is engineered to meet the stringent demands of marine and offshore applications, offering a robust combination of a cast iron body, flanged connections, and a handwheel-operated mechanism. Backed by LR ABS classification, this valve delivers reliable flow control and backflow prevention in seawater, fuel, and other critical systems onboard vessels.
Key Features & Benefits:
- Marine-Grade Construction: Cast iron body with corrosion-resistant coating ensures long service life in harsh saltwater environments.
- Globe Check Valve Design: Combines the functions of a globe valve (throttling/regulating) and a check valve (preventing reverse flow) into one compact unit.
- Flanged Connections: Conforms to standard flanges (e.g., PN16, ANSI 150) for easy installation and leak-proof sealing.
- Handwheel Operation: Allows manual override and precise adjustment of flow rate, even during maintenance or emergency shutdowns.
- LR ABS Classification: Complies with Lloyd's Register and American Bureau of Shipping requirements, ensuring suitability for vessel classification.
- Size Range DN50–DN200: Covers a wide range of pipeline diameters for main systems and auxiliary lines.
- Pressure Rating PN16: Designed for typical marine piping systems with working pressures up to 16 bar.
| Parameter | Value |
|---|---|
| Body Material | Cast Iron (GG25 equivalent) |
| Size (DN) | 50, 65, 80, 100, 125, 150, 200 |
| Pressure Rating | PN16 |
| Connection | Flanged (DIN/ANSI optional) |
| Operation | Handwheel (rising stem) |
| Classification | LR ABS (upon request) |
The globe valve function allows for throttling and isolation, while the built-in check mechanism automatically closes when reverse flow occurs, protecting pumps and piping systems. This dual-function design reduces the need for separate valves, saving space and installation costs onboard ships or offshore platforms.
Why Choose Shanghai Zhibang Valve?
Since our establishment in 2016, we have exported to North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East, achieving an annual export value of US$1–1.5 million. Our ISO9001-certified quality management system ensures consistent product performance and traceability. We ship from Shanghai, Guangzhou, Hong Kong, and Beijing, providing flexible logistics solutions.
Every Marine Grade Globe Check Valve is pressure-tested and inspected before delivery. For special coating, non-standard flange drilling, or higher classification requirements (e.g., CCS, DNV), please contact our technical team for customization.
Frequently Asked Questions
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Q: Can this valve be used for seawater applications?
A: Yes, the cast iron body is coated with marine-grade epoxy or other anti-corrosion coating (optional). For extended seawater service, we recommend adding a corrosion allowance or choosing ductile iron / stainless steel trim. -
Q: What does LR ABS classification mean?
A: LR ABS indicates that the valve design and manufacturing comply with Lloyd's Register and American Bureau of Shipping rules, which are commonly required for vessels classed by these societies. The specific classification certificate can be provided upon request. -
Q: Is the handwheel suitable for emergency shut-off?
A: Yes, the handwheel allows manual closure in case of power loss or control system failure, making it a reliable backup operation method. -
Q: What is the working temperature range of this valve?
A: Standard cast iron globe check valves are suitable for temperatures from -10°C to 120°C. For higher temperatures (up to 250°C), we can supply with ductile iron or steel body materials. -
Q: Can the flanges be supplied with different drilling standards?
A: Absolutely. Standard flanges are drilled per PN16 (DIN). ANSI 150, JIS 10K, or other standards are available as options. -
Q: How do I install this valve correctly?
A: The valve should be installed with the arrow (flow direction) pointing downstream. For globe check valves, horizontal installation with the handwheel vertical is recommended to ensure proper closing of the check disc. Consult the installation manual provided. -
Q: What maintenance is required?
A: Periodically check the handwheel stem for smooth operation and inspect the flanged gasket for leaks. In marine environments, we recommend visual inspection of the coating every 6 months. The internal check seat can be serviced if necessary.
Contact Shanghai Zhibang Valve Manufacture Co., Ltd. today for a quote or technical datasheet. Our experienced team will help you select the right valve for your marine piping system.
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