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Help CenterMarine Combined Globe Check Valve DN15-DN200 Flanged Rising Stem Cast Steel PN1.6-6.4MPa Zhibang Valve
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Shanghai Zhibang Valve Manufacture Co., Ltd., an ISO9001-certified manufacturer established in 2016 with an annual export value of US$1-1.5 million, proudly presents our Marine Combined Globe Check Valve (DN15-DN200, Flanged, Rising Stem, Cast Steel, PN1.6-6.4MPa). This innovative valve integrates the functions of a globe valve and a check valve into a single, compact unit, making it an ideal solution for ship piping systems where space saving, flow regulation, and backflow prevention are critical. Designed with durability and reliability in mind, our valve ensures superior performance under demanding marine conditions.
Key Features and Benefits:
- Combined Functionality: Acts as both a globe valve (for throttling and shut-off) and a check valve (to prevent reverse flow), reducing the number of components and installation space in your system.
- Robust Cast Steel Body: Manufactured from high-grade cast steel, providing excellent strength, corrosion resistance, and long service life even in harsh marine environments.
- Rising Stem Design: The visual indicator of the stem position allows operators to easily confirm the valve’s open/close status, enhancing operational safety and maintenance convenience.
- Flanged Connections: Standard flanges (available in various standards upon request) enable easy installation and reliable sealing with matching pipe flanges.
- Wide Pressure Range: Suitable for PN1.6 up to PN6.4MPa, covering a broad spectrum of marine medium-pressure applications.
- Size Flexibility: Available from DN15 to DN200, accommodating different pipeline diameters and flow requirements.
- ISO9001 Quality Assurance: Manufactured under a certified quality management system, ensuring consistent product quality and traceability.
| Parameter | Value |
| Valve Type | Combined Globe Check Valve |
| Body Material | Cast Steel (WCB, WCC, or customized) |
| Nominal Diameter | DN15 – DN200 |
| Pressure Rating | PN1.6 – PN6.4 MPa |
| Connection | Flanged (RF, FF, or RJ as requested) |
| Stem Design | Rising Stem with indicator |
| Operation | Manual (handwheel) – optional gearbox for larger sizes |
| Seat/Seal Material | Stellite or stainless steel (optional) |
| Applicable Media | Water, oil, gas, and other non-corrosive fluids |
| Operating Temperature | -20°C to +200°C (customizable for higher) |
Detailed Product Description: The combined globe check valve, also known as a stop check valve, is specially engineered for marine duty. It allows flow in one direction while preventing backflow, and its globe valve mechanism provides precise throttling capability. The rising stem offers a clear visual position indication, which is crucial for maintenance and safety in cramped engine rooms. The cast steel construction withstands high pressure and mechanical stress, while flanged ends simplify installation and ensure leak-tightness. Each valve is hydrostatically tested at 1.5 times the rated pressure to guarantee integrity. Our manufacturing process adheres to ISO9001 standards, and we offer various trim options to suit different media and temperature requirements. The valve can be customized with different seat materials (e.g., Stellite for high-temperature erosive services), or with a gearbox for larger sizes to ease manual operation.
Why Choose Zhibang Valve? With a strong presence in North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and other global markets, we have built a reputation for delivering reliable products at competitive prices. Our team ensures timely delivery from Shanghai, Guangzhou, Hong Kong, or Beijing ports. Backed by ISO9001 certification and a commitment to continuous improvement, each valve undergoes strict quality checks. We also provide after-sales technical support and spare parts availability. Whether you need a standard model or a customized solution, we are ready to assist.
Frequently Asked Questions (FAQ)
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Q: What is the difference between a combined globe check valve and a standard check valve?
A: A combined globe check valve integrates a globe valve (for throttling and shut-off) and a check valve (automatic backflow prevention) in one body. This saves space and reduces potential leak points compared to using two separate valves. -
Q: Can this valve be used for steam applications?
A: Yes, but please consult our technical team for specific temperature and pressure requirements. Standard models are suitable for non-corrosive fluids up to 200°C. For higher temperatures or condensate, materials like Stellite seats may be recommended. -
Q: What flange standards are compatible?
A: Our flanges are typically manufactured to DIN, ANSI, JIS, or GB standards. We can produce according to your required standard. Please specify when placing an order. -
Q: Is the rising stem design prone to corrosion in marine environments?
A: The stem is made of stainless steel or other corrosion-resistant material, and the valve is designed with a protective bonnet. For extremely corrosive atmospheres, we offer optional stem coatings or upgraded materials. -
Q: How is the valve tested before shipment?
A: Each valve undergoes shell hydrostatic test at 1.5 times the rated pressure, and a seat leakage test at 1.1 times the rated pressure. Test certificates are available upon request. -
Q: Can I get a sample order before bulk purchase?
A: Yes, we welcome sample orders to evaluate quality and performance. Sample costs and shipping can be discussed. -
Q: What is the lead time for standard sizes?
A: For DN15-DN100 standard models, lead time is typically 15-25 working days. Larger sizes or special trims may require 30-40 working days. Contact our sales for exact delivery schedule. -
Q: Do you provide technical drawings or 3D models?
A: Yes, we can provide 2D and 3D CAD drawings upon request to assist your system design.
With a strong track record since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. has exported over US$1 million annually to demanding markets worldwide. Our ISO9001-certified facility ensures that every valve meets stringent quality standards. Choose our Marine Combined Globe Check Valve for reliable performance, space savings, and peace of mind. Contact us today for a quote or technical consultation.
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