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Help CenterZhibang Valve Marine Combined Globe Check Valve for Ship Pump Outlet Pipeline Cast Steel DN15-DN200 CCS DNV
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Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents the Zhibang Valve Marine Combined Globe Check Valve, specifically engineered for ship pump outlet pipelines. As a ISO9001-certified manufacturer with over $1 million annual export value, we combine advanced casting technology with rigorous marine standards to deliver reliable flow control solutions. This integrated globe and check valve design saves space, reduces leakage points, and ensures safe unidirectional flow in critical marine systems. Whether for new builds or retrofits, our cast steel valves from DN15 to DN200 meet the demanding requirements of CCS and DNV classification societies.
Our valve features a compact combined structure that functions both as a globe valve (for flow regulation and shut-off) and a check valve (to prevent backflow). This eliminates the need for separate valves, simplifying piping layouts and reducing maintenance. The cast steel body offers excellent strength and corrosion resistance in saline marine environments. Each valve undergoes strict pressure testing and material verification to ensure long-term performance under high-pressure pump discharge conditions.
Key Product Features
- Dual Function Design: Combines shut-off and non-return functionality in one body – saves space, weight, and installation costs.
- High-Quality Cast Steel: Material per ASTM A216 WCB or equivalent, providing durability and resistance to seawater corrosion.
- Class Society Approved: Available with CCS and DNV certificates (upon request) to meet marine classification requirements.
- Wide Size Range: DN15 to DN200 (½” to 8”) covers most ship pump outlet applications.
- Flanged Ends: Standard flanges per ASME B16.5 or EN 1092-1, ensuring easy installation in existing pipelines.
- Reliable Sealing: Metal-to-metal or optional soft seat for bubble-tight shut-off and low leakage.
- Easy Maintenance: Bonnet design allows quick access to internal parts without removing the valve from the line.
Technical Specifications (Typical)
| Size Range | DN15 – DN200 (½” – 8”) |
| Pressure Rating | PN16 / PN25 / Class 150 (customizable) |
| Body Material | Cast Steel (WCB / WCC) |
| Disc Material | Stainless Steel (SS304 / SS316) |
| Operation | Handwheel / Gearbox (optional) |
| End Connection | Flanged (ASME / EN / JIS) |
| Testing Standard | API 598 / ISO 5208 |
| Certifications | ISO9001, CCS, DNV (optional) |
Our marine combined globe check valve offers distinct advantages for shipbuilders and operators. Space savings – eliminating one valve reduces piping complexity and weight, critical for engine rooms. Cost efficiency – lower procurement, installation, and maintenance costs compared to separate valves. Enhanced safety – the integrated check function automatically prevents reverse flow even when the globe valve is fully open, protecting pumps from damage. Customizable – we can adjust pressure ratings, materials, and end connections per your project specifications.
Shanghai Zhibang Valve has been serving the marine industry since 2016, with an annual export value of US$1 million to US$1.5 million. Our valves are exported to North America, South America, Europe, Asia, Africa, and Oceania. We are ISO9001 certified and our products can be supplied with CCS and DNV certificates to satisfy the most stringent classification requirements. From our factory in Shanghai, we ensure timely delivery via major ports (Shanghai, Guangzhou, Hong Kong, Beijing). Our experienced team provides technical support and after-sales service worldwide.
Choose Zhibang Valve for reliable, space-saving, and certified marine flow control. Contact us today for a quote or technical proposal – we are ready to support your shipbuilding and offshore projects.
Frequently Asked Questions (FAQ)
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Q: What is the difference between a combined globe check valve and separate valves?
A: A combined valve integrates both shut-off and non-return functions in one body. It saves space, reduces potential leakage points, and simplifies piping design – ideal for compact marine engine rooms. -
Q: What materials are used for the valve body and trim?
A: The body is made of cast steel (ASTM A216 WCB or equivalent). The disc and seat are typically stainless steel (SS304/SS316) for corrosion resistance. Trim materials can be customized for specific media. -
Q: What pressure ratings are available?
A: Standard pressure ratings include PN16 and PN25, as well as Class 150. Higher pressure ratings are available upon request. Please consult our engineering team. -
Q: Can you provide CCS or DNV certificates?
A: Yes, we can supply valves with CCS and/or DNV certificates as required. These are optional and will be indicated in the quotation. -
Q: What is the typical lead time for DN15-DN200 valves?
A: For standard specifications, lead time is approximately 15-30 working days after order confirmation. Customized or certified valves may require additional time. Contact our sales for exact delivery schedules. -
Q: Are the valves suitable for seawater?
A: Yes, the cast steel body with appropriate coating and stainless steel trim is suitable for seawater applications in marine pump outlet pipelines. For specific chemical compatibility, we recommend consulting our technical datasheet. -
Q: How do I install the valve correctly?
A: The valve is designed for installation with the flow direction indicated by an arrow on the body. Ensure proper gaskets and bolt torques are used for flanged connections. Detailed installation and maintenance manual is provided with each valve. -
Q: Do you offer OEM or customized labeling?
A: Yes, we accept OEM requirements for tags, nameplates, and packaging. Custom paint colors and special coating are also available. Please discuss your needs with our sales team.
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