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Help CenterHigh Pressure Globe Check Valve for Marine, Carbon Steel Body, PN6.4-16MPa, DN50-DN100, Flanged, Rising Stem With Mill Test Report
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Shanghai Zhibang Valve Manufacture Co., Ltd., a certified ISO9001 manufacturer since 2016, presents our High Pressure Globe Check Valve for Marine with a carbon steel body. Designed to withstand demanding marine environments, this valve combines the functions of a globe valve and a check valve, ensuring reliable flow control and backflow prevention in one compact unit. With pressure ratings from PN6.4 to 16MPa and sizes ranging from DN50 to DN100, it delivers robust performance for seawater systems, fuel lines, and other critical piping networks. Every valve is shipped with a Mill Test Report, guaranteeing material traceability and quality assurance.
Product Overview: This flanged rising stem globe check valve is engineered for high-pressure marine applications where safety and durability are paramount. The carbon steel body offers excellent strength and corrosion resistance, while the rising stem design provides clear visual indication of the valve position. The integrated check function prevents reverse flow without requiring additional spring mechanisms, reducing maintenance and enhancing system reliability.
Key Features & Technical Specifications
- Valve Type: Globe Check Valve (integrated globe and check functions)
- Body Material: Carbon Steel (ASTM A216 WCB or equivalent) – suitable for marine environments with optional epoxy coating
- End Connection: Flanged (raised face, drilling to ANSI B16.5 or ISO 7005 standards)
- Stem Design: Rising stem with handwheel – allows easy visual position monitoring
- Pressure Range: PN6.4 to PN16MPa (64 bar to 160 bar) – covers medium to high pressure systems
- Size Range: DN50 to DN100 (2" to 4") – standard marine pipe sizes
- Test Report: Each valve is supplied with a Mill Test Report (MTR) for material certification
- Optional Certification: ISO9001:2015 quality management system
| Parameter | Specification |
|---|---|
| Design Standard | API 602 / BS 5352 / EN 13709 |
| Flange Drilling | ANSI Class 150-900 / PN10-PN160 |
| Test Pressure (Shell) | 1.5 x Rated Pressure |
| Seat Material | Stellite / 13Cr (available upon request) |
| Operating Temperature | -29°C to +425°C (carbon steel) |
| Applications | Marine piping, ballast systems, fuel oil, cooling water |
Advantages for Your Marine Systems: Our globe check valve reduces the need for two separate valves, saving space and cost in limited engine room areas. The rising stem mechanism allows crew to quickly verify valve status from a distance, improving operational safety. The carbon steel body is fully weldable and repairable, and optional hardfacing on seat surfaces extends service life in abrasive seawater conditions. With the included Mill Test Report, you gain full traceability for class approval and maintenance records.
Why Choose Shanghai Zhibang Valve? As a dedicated manufacturer founded in 2016, we have accumulated rich experience in producing high-pressure valves for global marine markets. Our annual export value reaches US$1-1.5 million, with shipments to North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. We are located in Shanghai, China, with convenient access to shipping ports including Shanghai, Guangzhou, Hong Kong, and Beijing. Our ISO9001 certified quality management system ensures consistent product reliability and on-time delivery. Every valve undergoes hydrostatic and seat leakage tests before packaging. We also offer customization for special materials, coatings, and non-standard flanges upon request.
Frequently Asked Questions (FAQ):
-
Q: What is the difference between a globe check valve and a standard check valve?
A: A globe check valve combines the functions of a globe valve (throttling and shut-off) and a check valve (backflow prevention). It uses a disc that is guided by the stem, allowing precise flow regulation, while still preventing reverse flow when the stem is not manually closed. This design saves space and reduces potential leak points compared to separate valves. -
Q: Can this valve be used for steam services?
A: Yes, the carbon steel body is suitable for steam up to 425°C. However, for high-temperature steam applications (above 400°C), we recommend consulting our engineers for appropriate seat materials. Standard 13Cr seat is suitable up to 450°C; Stellite is recommended for severe conditions. -
Q: Does the valve come with a Mill Test Report (MTR)?
A: Yes, each valve is supplied with a Mill Test Report for the carbon steel body material, including chemical composition and mechanical properties. Additional certifications such as NACE MR0175 or PMI can be provided upon request. -
Q: Are flanges available for different standards?
A: Our standard flanges are drilled to ANSI B16.5 Class 150-900 or ISO 7005 PN10-PN160. Other flange standards (JIS, DIN, GOST) can be manufactured with a small lead time. Please specify your requirement when ordering. -
Q: What is the typical lead time for this valve?
A: For standard sizes (DN50-DN100) and common materials, the lead time is 15-25 working days. Customized orders may take 30-45 days. We offer expedited shipping for urgent projects. -
Q: How do I determine the correct pressure rating for my system?
A: Select the pressure rating (PN) based on your maximum allowable working pressure and temperature. For example, PN16 (16 MPa) is suitable for high-pressure lines up to 160 bar at ambient temperature; derate at elevated temperatures according to standard charts. Our technical team can assist with selection. -
Q: Does the rising stem require any special maintenance?
A: The rising stem is self-lubricating with a graphite-based packing. We recommend periodic inspection of the packing gland and stem surface for signs of wear. In marine environments, a protective grease coating is advised. The stem is designed for easy repacking without removing the valve from the line. -
Q: Can I order a sample for evaluation?
A: Yes, we accept sample orders. Please contact our sales team with your specifications. Sample lead time and quantity terms are negotiable. For first-time buyers, we also offer documentation including dimension drawings and test certificates.
Trust Shanghai Zhibang Valve – Your Reliable Partner for Marine Valve Solutions. With over 8 years of manufacturing expertise and a global distribution network spanning all major continents, we are committed to delivering high-performance, certified valves that meet the strictest maritime standards. Our ISO9001 certification, combined with every valve’s Mill Test Report, ensures full quality traceability. Contact us today to discuss your project requirements and request a competitive quotation. Choose quality, choose safety – choose Shanghai Zhibang Valve.
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