Flanged Connection Rising Stem Design Zhibang Valve Marine Combined Globe Check Valve Cast Steel CCS DNV
Product Spotlights
Shanghai Zhibang Valve Manufacture Co., Ltd., established in 2016 with an annual export value of USD 1–1.5 million, is a professional manufacturer specializing in marine valves. Our Flanged Connection Rising Stem Design Marine Combined Globe Check Valve in cast steel combines the functions of a globe valve and a check valve in one robust unit. Designed for demanding marine environments, this valve delivers reliable flow control, backflow prevention, and straightforward maintenance, making it a cost-effective solution for shipbuilding and offshore applications.
Below we present the product’s technical features, specifications, and benefits in detail. Whether you are an EPC contractor, shipyard, or marine equipment distributor, this valve offers long service life and compliance with international marine classification standards.
Key Features & Benefits
- Dual Function Design: Integrates globe shut-off and check valve functions, reducing the number of valves and flanges needed in a piping system. This lowers installation costs and simplifies maintenance.
- Rising Stem Mechanism: The stem rises visibly when opening, giving operators a clear indication of valve position. This enhances safety and reduces the risk of accidental operation.
- Flanged Connection: Standard flanged ends (EN 1092-1 or ASME B16.5) ensure easy installation and tight sealing with gaskets. Both raised face and ring joint facings are available.
- Cast Steel Body: Made from high-quality cast steel (WCB, LCB, or CF8M options), the valve withstands high pressure, temperature fluctuations, and corrosive seawater environments.
- Compact and Space-saving: The combined design reduces overall length compared to two separate valves, critical for tight engine rooms or offshore platforms.
- Low Maintenance: The rising stem and accessible bonnet allow quick inspection and replacement of internal parts (seat, disc, stem) without removing the valve from the pipeline.
- Compliance with Marine Standards: Designed to meet ISO9001 quality system; CCS and DNV certifications can be supplied upon customer request, ensuring acceptance in global shipbuilding projects.
Technical Specifications
| Parameter | Details |
|---|---|
| Body Material | Cast Steel (WCB / LCB / CF8M) |
| Connection Type | Flanged (DIN / ANSI / JIS customizable) |
| Design | Rising Stem, Bolted Bonnet |
| Pressure Rating | PN10 / PN16 / PN25 / Class150 |
| Size Range | DN50 – DN600 (2″ – 24″) |
| Operation | Handwheel (gear or actuator optional) |
| Temperature Range | -29°C to +425°C |
| Applicable Media | Water, oil, gas, steam, seawater |
| Standard | ISO9001:2015; CCS/DNV available |
Why Choose Zhibang Marine Globe Check Valve?
- Reliable Performance: The one-piece cast steel body and precision-machined seat ensure zero leakage when closed, protecting downstream equipment.
- Space & Weight Savings: Combining two functions into one valve reduces the number of flanges, gaskets, and bolting, lowering overall system weight.
- Easy Identification: The rising stem clearly shows open/closed status, which is essential in critical marine systems like cooling water, ballast, or firefighting lines.
- Flexible Customization: We offer various trim options (stellite seat, 13Cr stem, etc.), actuator mounting, and special coatings for extreme environments.
- Global Service: With export ports in Shanghai, Guangzhou, Hong Kong, and Beijing, we deliver worldwide. Our valves have been used in North America, Europe, Southeast Asia, Africa, and Oceania.
Trusted by Marine Industry Leaders
Shanghai Zhibang Valve has supplied over 10,000 marine valves since 2016. Our quality management system is ISO9001 certified, and we have successfully passed factory audits from several classification societies. For this combined globe check valve, we can provide material certificates, hydrostatic test reports, and dimensional inspection records. With a dedicated team of 20+ engineers and a response time of 24 hours, we ensure you receive professional technical support.
Contact us today for a competitive quotation or a sample test. Our flanged rising stem marine combined globe check valve is ready to meet your most demanding marine applications.
Frequently Asked Questions
-
What is the difference between a combined globe check valve and separate valves?
A combined globe check valve integrates globe shut-off and check functions in one body, saving space, weight, and installation cost. It also reduces potential leak points. -
Can this valve be used for seawater service?
Yes, but we recommend selecting appropriate materials such as CF8M (stainless steel) or applying anti-corrosive coating for long-term seawater exposure. -
Do you provide CCS or DNV certificates?
While our standard production follows ISO9001, CCS and DNV certifications are available as an option. Please specify your requirement when ordering. -
What sizes and pressure ratings are available?
Standard sizes range from DN50 to DN600, with pressure ratings from PN10 to PN25 (Class150). Custom dimensions can be discussed. -
How does the rising stem help in maintenance?
The stem rises visibly, indicating the disc position. The bonnet can be unbolted for stem and disc replacement without disturbing the pipework. -
What is the typical lead time?
For standard sizes, lead time is 30–45 days. Larger sizes or special materials may require 50–60 days. -
Is the valve suitable for high-pressure steam?
Yes, with the proper pressure rating and material (e.g., WCB or high-temp alloy), it can handle steam up to 425°C. -
How do I install the valve correctly?
Ensure flow direction matches the arrow on the body (usually under the disc). Use proper gaskets and torque bolts according to the flange standard.
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