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Help CenterZhibang Valve Marine Combined Globe Check Valve Cast Steel DN15-DN200 With Factory Warranty and Mill Test Report
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Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents the Zhibang Valve Marine Combined Globe Check Valve, a robust solution designed specifically for demanding marine environments. As a direct manufacturer since 2016, we combine years of engineering expertise with strict quality control to deliver a valve that excels in both globe and check functions, ensuring reliable backflow prevention and flow regulation. Each unit is accompanied by a factory warranty and a Mill Test Report (MTR), providing full material traceability and performance verification. This valve is ideal for seawater, oil, gas, and other media commonly found in shipbuilding and offshore applications.
Our commitment to quality is backed by an ISO9001-certified management system and an annual export value of $1–1.5 million, serving markets across North America, South America, Europe, Asia, Africa, and Oceania. With shipping ports in Shanghai, Guangzhou, Hong Kong, and Beijing, we ensure timely delivery worldwide. Below, we detail the key features, technical specifications, and advantages that set this valve apart.
Key Features & Technical Specifications
- Combined Functionality: Integrates globe valve shut-off capability with check valve non-return action, reducing the need for extra fittings and saving space in tight piping systems.
- Durable Cast Steel Body: Manufactured from high-quality cast steel (ASTM A216 WCB or equivalent), offering excellent strength, corrosion resistance, and longevity in seawater and harsh conditions.
- Wide Size Range: Available from DN15 (1/2") to DN200 (8"), suitable for a variety of pipeline diameters and flow requirements.
- Factory Warranty: Every valve is covered by a standard factory warranty (typically 12–24 months, extendable upon request), ensuring peace of mind.
- Mill Test Report (MTR): Included with each shipment, providing chemical composition, mechanical properties, and pressure test results for full traceability.
- Easy Installation & Maintenance: Flanged ends conform to DIN, ANSI, or JIS standards (customizable). The disc and seat design minimizes wear and facilitates quick in-line servicing.
- High Temperature & Pressure Resistance: Engineered to operate under moderate to high pressures and temperatures; exact ratings available upon request based on specific model.
Product Parameter Table
| Parameter | Details |
|---|---|
| Body Material | Cast Steel (ASTM A216 WCB) |
| Size Range | DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200 |
| Pressure Class | Available upon request (e.g., PN16, PN25, Class 150, Class 300) |
| End Connection | Flanged (DIN, ANSI, JIS customizable) |
| Operating Temperature | -20°C to +300°C (dependent on media and pressure) |
| Media | Seawater, freshwater, oil, gas, steam (compatible materials) |
| Certification | ISO9001 (factory system); Mill Test Report included; other certifications available upon request |
Benefits for Your Application
- Space & Cost Savings: Combining two valve functions into one body reduces the number of components, installation points, and maintenance tasks.
- Enhanced Safety: The check valve function prevents backflow, protecting pumps, compressors, and downstream equipment from damage.
- Reliable Quality Assurance: Each valve is hydrostatically tested before shipping, and the MTR provides documented proof of material integrity.
- Customizable Options: We offer variations in trim materials (e.g., stainless steel, bronze), disc types, and coatings to suit specific corrosive or high-temperature environments.
- Global Support: As a manufacturer with a strong export record, we provide responsive after-sales service and technical support worldwide.
Trusted by Industries Worldwide
Since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. has been dedicated to producing high-performance valves for marine, industrial, and commercial applications. With an annual export value of US$1–1.5 million and a presence in over 10 markets including North America, Europe, and Southeast Asia, our valves have proven their reliability in some of the toughest environments. Our ISO9001-certified quality management system ensures consistent production standards, and every order is backed by professional logistics from Shanghai, Guangzhou, Hong Kong, or Beijing ports.
We take pride in offering a factory warranty and a Mill Test Report with every Marine Combined Globe Check Valve. This transparency builds trust and helps you meet regulatory requirements with ease. Whether you are equipping a new vessel or upgrading an offshore platform, choose Zhibang valves for durability, performance, and peace of mind.
Contact us today to request a quote or discuss your specific needs. Our team is ready to provide technical drawings, pressure ratings, and customization options. Experience the Zhibang advantage—quality delivered from factory to door.
Frequently Asked Questions (FAQ)
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Q: What is the factory warranty period for this valve?
A: The standard factory warranty is 12 months from the date of shipment. Extended warranties (up to 24 months) are available upon request at an additional cost. -
Q: What information is included in the Mill Test Report (MTR)?
A: The MTR provides the chemical composition, mechanical properties (yield strength, tensile strength, elongation), hardness test results, and hydrostatic pressure test data for the specific valve batch. It ensures full material traceability. -
Q: Can this valve be used for seawater applications?
A: Yes, the cast steel body can be supplied with anti-corrosion coatings or stainless steel internal trim for seawater resistance. We recommend discussing your specific media composition with our engineers to select the best material combination. -
Q: What are the available pressure ratings?
A: Standard pressure ratings include PN16, PN25, and Class 150, but we can manufacture valves for higher ratings (e.g., Class 300) depending on the size and material. Please provide your design pressure and temperature requirements. -
Q: Do you offer flanges according to different standards?
A: Yes, we can produce flanged ends per DIN, ANSI, JIS, or GB standards. Please specify your required standard when ordering. -
Q: What is the typical lead time for DN15–DN200 valves?
A: For standard sizes and materials, lead time is approximately 15–30 days after order confirmation. Custom orders may require 30–45 days. We advise contacting us for current stock availability. -
Q: Can I get a sample for testing before bulk order?
A: Yes, we offer sample valves at cost price. Samples are typically shipped within 10 days after payment. Production samples for customer approval are also available. -
Q: Do you provide technical drawings or 3D models?
A: Yes, we can provide dimensional drawings and, upon request, 3D models for integration into your piping design system.
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