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Help CenterFactory Direct Marine Globe Check Valve DN50-DN200 1 Year Warranty Mill Test Report Provided Pump Protection
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Shanghai Zhibang Valve Manufacture Co., Ltd. is a professional manufacturer with over 8 years of experience in producing high-quality industrial valves. Our Factory Direct Marine Globe Check Valve (DN50-DN200) is engineered to provide reliable backflow prevention and pump protection in demanding marine and industrial environments. We offer a 1-year warranty and provide a Mill Test Report with every shipment, ensuring full traceability and quality assurance.
This check valve features a globe-style body design that minimizes pressure drop while offering tight sealing and long service life. Available in a wide range of sizes from DN50 to DN200, it is suitable for water, oil, and gas applications on ships, offshore platforms, and industrial pumping systems. Our direct factory pricing gives you cost savings without compromising on performance.
Key Features & Benefits
- Robust Construction: Made from high-strength cast iron, ductile iron, carbon steel, or stainless steel – customizable to your specific media and pressure requirements.
- Pump Protection: The advanced swing disc design prevents reverse flow and water hammer, safeguarding pumps and piping systems from damage.
- Leak-Free Sealing: Precision-machined seating surfaces and resilient disc material ensure zero leakage under backpressure.
- Easy Installation: Flanged ends conform to international standards (ANSI, DIN, JIS available upon request).
- Full Traceability: Each valve comes with a Mill Test Report (MTR) showing chemical composition and mechanical properties.
- 1-Year Warranty: Backed by our commitment to quality and after-sales support.
Technical Specifications
| Size Range | DN50 – DN200 (2″ – 8″) |
| Pressure Rating | PN10 / PN16 / PN25 (other ratings on request) |
| Working Temperature | -10°C ~ 120°C (higher with special materials) |
| Body Material | Cast Iron / Ductile Iron / WCB Carbon Steel / CF8 Stainless Steel |
| Disc Material | Cast Iron / Stainless Steel / Brass (optional) |
| Connection | Flanged (RF) per ANSI B16.5 / DIN / JIS |
| Design Standard | API 602 / BS 1868 / EN 12516 |
Our marine globe check valves are manufactured under strict quality control in our ISO9001 certified factory. Each piece is hydrostatically tested to ensure pressure integrity. The Mill Test Report included in every shipment documents the actual test results, giving you confidence in the material and workmanship.
Why Choose Shanghai Zhibang?
- Factory Direct Pricing – Eliminate middleman costs and get competitive rates.
- Fast Delivery – Ship from Shanghai, Guangzhou, Hong Kong, or Beijing ports within 15-30 days.
- Global Reach – Serving clients in North America, South America, Europe, Africa, Oceania, the Middle East, and Asia.
- Professional Support – Our experienced team provides technical advice and customized solutions.
We have been exporting valves since 2016 with an annual export value of US$1 million – US$1.5 million. Our valves are trusted by shipbuilders, pump manufacturers, and industrial plants worldwide. The 1-year warranty and accompanying Mill Test Report are our promises of reliability.
Contact us today for a quotation or to discuss your specific requirements. We are ready to supply you with durable, high-performance globe check valves that protect your pumps and extend system life.
Frequently Asked Questions (FAQ)
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Q: What is the pressure rating of your DN200 globe check valve?
A: Our standard DN200 valve is rated PN16 / PN25. You can also request higher ratings like PN40 with suitable materials. -
Q: Do you offer valves in stainless steel for marine saltwater applications?
A: Yes, we provide CF8 (304) and CF8M (316) stainless steel options for corrosive environments. -
Q: Is the Mill Test Report included free of charge?
A: Yes, a Mill Test Report is provided with every order at no extra cost. -
Q: What is your typical lead time for DN100 globe check valves?
A: For standard sizes and materials, lead time is approximately 15-20 working days after order confirmation. -
Q: Can you supply valves with flanges to ANSI or JIS standards?
A: Absolutely. We can supply flanges according to ANSI B16.5, DIN, JIS, or other standards as required. -
Q: How does the 1-year warranty work if I encounter a problem?
A: We cover manufacturing defects. You can contact our after-sales team, and we will provide replacement or repair within warranty period. -
Q: Do you offer customized valve bodies for special connections?
A: Yes, we accept custom designs. Please provide your drawing or specifications, and we will advise. -
Q: Are these valves suitable for use in pumping stations with frequent start/stop cycles?
A: Yes, the globe check valve design minimizes water hammer and is ideal for pump protection in such conditions.
For any other questions, please reach out to our sales team. We are here to help you select the perfect valve for your application.
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