Marine Angle Globe Check Valve With Rising Stem, Cast Steel, DN15-DN100, PN1.6-6.4MPa
Product Spotlights
Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our premium Marine Angle Globe Check Valve with Rising Stem, Cast Steel. Engineered for demanding marine environments, this valve combines the reliability of a globe check valve with the flexibility of an angle pattern, making it ideal for space-constrained piping systems. With a robust cast steel body, rising stem design, and pressure ratings up to PN6.4MPa, it ensures leak-proof operation and long service life in critical applications such as ballast water, cooling water, and fuel oil systems.
Our factory, established in 2016 and ISO9001 certified, has been delivering high-quality valves to global markets for nearly a decade. Each valve undergoes strict quality control to meet international standards. The rising stem provides a clear visual indication of valve position, while the angle configuration reduces flow resistance and minimizes pressure drop. Available in sizes from DN15 to DN100, this valve can be customized to meet specific project requirements.
Key Features & Technical Specifications
- Material: Cast Steel (WCB, LCB, or other grades upon request)
- Pressure Rating: PN1.6 – PN6.4MPa (Class 150 – 400)
- Size Range: DN15 (½") to DN100 (4")
- Stem Design: Rising stem with handwheel – clear open/close indication
- Disc Type: Globe check – prevents backflow automatically
- Connection: Flanged ends (RF, FF; optional butt-weld or threaded)
- Application: Marine, offshore, shipbuilding, oil & gas, water treatment
- Certification: ISO9001; can be manufactured to CCS, DNV, GL, ABS upon request
Product Parameters (Table)
| Parameter | Value / Range |
|---|---|
| Body Material | Cast Steel (WCB, LCB, WC6, etc.) |
| Nominal Diameter | DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100 |
| Pressure Rating | PN1.6MPa, PN2.5MPa, PN4.0MPa, PN6.4MPa |
| Working Temperature | -29°C to +425°C (depending on material) |
| Stem Type | Rising stem with brass or steel nut |
| Test Pressure (Shell) | 1.5 × PN (e.g., 9.6MPa for PN6.4) |
| Test Pressure (Seal) | 1.1 × PN |
| Design Standard | GB/T 12235, API 602, ASME B16.34 (available) |
| Face-to-Face Dimension | Per DIN 3202 or manufacturer's data |
Detailed Product Advantages
- Angle Globe Design: The 90° angle pattern allows the valve to be installed in tight spaces, reducing the need for additional fittings. It also minimizes turbulent flow and erosion compared to straight-through check valves.
- Rising Stem Indicator: The stem rises visibly when the valve opens, providing instant visual confirmation of the disc position – essential for maintenance and safety in marine systems.
- Double Function: Combines the features of a globe valve and a check valve. When fully open, it acts as a shut-off valve; when partially open or closed, the disc automatically prevents reverse flow, protecting pumps and equipment.
- Durable Cast Steel Construction: Cast steel offers high strength, corrosion resistance (with appropriate coating), and suitability for high-pressure steam, water, and oil applications. Optional stainless steel trim for aggressive media.
- Leak-Free Sealing: Metal-to-metal or soft-seat (PTFE) disc options ensure tight shut-off. The rising stem and gland packing provide additional leak prevention along the stem.
- Customizable Options: Available with gearbox actuator, extended stem for insulated lines, different flange standards (ANSI, DIN, JIS), and special coatings (epoxy, zinc) for marine environments.
Performance Benefits for Customers
- Reduced Installation Cost: The angle configuration eliminates the need for an extra elbow, saving piping material and welding labor.
- Minimized Downtime: Easy maintenance – the rising stem and bonnet design allow quick inspection and replacement of internal parts without removing the valve from the pipeline.
- Enhanced System Safety: The automatic check function prevents backflow that could damage compressors, boilers, or pumps. The visible open/close status helps operators avoid accidental operation.
- Long Service Life: Cast steel body and hardened seat materials resist wear from particulate-laden fluids. Corrosion protection options extend lifespan in salty marine atmospheres.
- Wide Compatibility: Works with various media: fresh water, sea water, lube oil, fuel oil, air, and low-pressure steam. Suitable for both horizontal and vertical pipelines.
Why Choose Shanghai Zhibang Valve?
Shanghai Zhibang Valve Manufacture Co., Ltd. has been a trusted manufacturer since 2016, exporting to over 20 countries across North America, Europe, Southeast Asia, and Africa. Our annual export value reaches US$1–1.5 million, reflecting the confidence global customers place in our products. We hold ISO9001:2015 certification for quality management, ensuring every valve meets rigorous standards. Our factory also offers additional certifications (CCS, DNV, ABS) upon request, making us a preferred supplier for shipbuilders and marine engineering companies.
We ship from major ports including Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring fast and cost-effective logistics. With a dedicated technical support team and flexible customization, we can deliver valves tailored to your specific project requirements. Contact us today for a quotation or more information – we look forward to being your reliable partner in marine valve solutions.
Frequently Asked Questions (FAQ)
-
Q: What is the main difference between an angle globe check valve and a regular check valve?
A: An angle globe check valve combines the functions of a globe valve (throttling/shut-off) and a check valve (preventing backflow). The 90° angle design saves space and reduces pressure drop, while the rising stem provides visual indication. Standard check valves only prevent backflow and have no shut-off or throttling capability. -
Q: Can this valve be used for seawater applications?
A: Yes, but we recommend applying a protective coating (e.g., epoxy paint or zinc-rich primer) to the cast steel body, and using a disc and seat made from corrosion-resistant materials such as stainless steel or bronze. We can customize accordingly. -
Q: What flange standards are available for this valve?
A: Our standard connection is flanged according to GB/T (Chinese standard), but we can also produce to ANSI B16.5 Class 150/300/600, DIN PN10/16/40, or JIS B2220 10K/20K. Please specify your requirement. -
Q: Is the rising stem suitable for buried or limited-clearance installations?
A: The rising stem requires vertical clearance for the stem to travel upward when opening. For limited-space applications, we offer the option of a non-rising stem (with indicator) or an extended stem with a chain wheel. Contact our sales team for customization. -
Q: What is the warranty period?
A: We provide a standard warranty of 12 months from the date of shipment, covering manufacturing defects. Extended warranty can be negotiated for large orders. -
Q: Do you provide third-party inspection certificates?
A: Yes, we can arrange inspection by BV, Lloyd's, DNV, or other classification societies at the buyer's cost. We also issue material certificates (EN 10204 3.1) for traceability. -
Q: How do I select the correct pressure rating?
A: Refer to your system's design pressure and temperature. For example, PN1.6 (16 bar) is suitable for low-pressure cooling water, while PN6.4 (64 bar) is used in high-pressure fuel or hydraulic systems. Our technical team can assist with selection. -
Q: Can I request a sample before placing a bulk order?
A: Absolutely. We accept sample orders for customer evaluation. Sample cost and shipping are negotiable, and we will deduct the sample cost from future bulk orders.
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