DN80-PN16 Marine Stainless Steel Globe Check Valve 316L With Flanged Ends for High Pressure Systems
Product Spotlights
Shanghai Zhibang Valve Manufacture Co., Ltd has been a trusted manufacturer of high-quality industrial valves since 2016. Our DN80-PN16 Marine Stainless Steel Globe Check Valve 316L with Flanged Ends is engineered for demanding high-pressure systems in marine and offshore applications. Combining the reliability of a globe valve with the automatic backflow prevention of a check valve, this product delivers exceptional performance and durability under extreme conditions.
Crafted from premium 316L stainless steel, this valve offers superior corrosion resistance to seawater, chemicals, and high-temperature environments. The flanged end connections ensure easy installation and a leak-proof seal, while the DN80 size and PN16 pressure rating make it suitable for a wide range of high-pressure pipelines. Whether used in ballast systems, cooling water lines, or fire-fighting networks, this valve provides reliable, maintenance-free operation.
Key Product Features and Technical Specifications
- Material: Body and trim in AISI 316L stainless steel – excellent resistance to chloride stress corrosion cracking.
- Design: Globe-style check valve with a guided disc – ensures smooth, stable closing and minimal pressure drop.
- Pressure Rating: PN16 (16 bar / 232 psi) – ideal for high-pressure marine systems.
- Connection: Flanged ends to EN 1092-1 PN16 (or ASME B16.5 Class 150 optional) – compatible with standard piping systems.
- Operation: Automatic – spring-assisted closing for quick response to reverse flow.
- Sealing: Metal-to-metal seat with optional soft seal insert – bubble-tight shut-off.
- Temperature Range: -20°C to +200°C – suitable for both cold and hot media.
- Test Standards: API 598 and ISO 5208 – 100% factory tested for shell and seat leakage.
| Parameter | Value |
| Nominal Diameter | DN80 (3 inch) |
| Pressure Rating | PN16 |
| Body Material | 316L Stainless Steel |
| Trim Material | 316L Stainless Steel |
| End Connections | Flanged (EN 1092-1 PN16) |
| Test Pressure (Shell) | 24 bar |
| Test Pressure (Seat) | 17.6 bar |
| Media Compatibility | Water, Oil, Gas, Steam |
Customer Benefits and Advantages
- Long service life: 316L material withstands corrosive marine environments, reducing replacement frequency.
- Low maintenance: Simple internal design with few moving parts minimizes downtime.
- Energy efficiency: Low-pressure drop design reduces pumping costs in high-pressure loops.
- Versatility: Suitable for both horizontal and vertical pipe installations.
- Compliance: Manufactured under ISO9001 quality management system, ensuring consistent quality.
Why Choose Shanghai Zhibang Valve?
As a manufacturer with annual export value of US$1–1.5 million, we supply our valves to over 10 global markets, including North America, Europe, Southeast Asia, and Oceania. Our factory in Shanghai, China, is equipped with advanced CNC machines and testing facilities. Every valve is individually tested before shipment, and we offer flexible shipping ports (Shanghai, Guangzhou, Hong Kong, Beijing). With ISO9001 certification and thousands of satisfied clients, we guarantee reliable products and responsive after-sales support.
Contact us today for competitive pricing, customization options, and fast delivery. Let our DN80-PN16 Marine Stainless Steel Globe Check Valve 316L be the reliable solution for your high-pressure system requirements.
Frequently Asked Questions
-
Q: What is the difference between a globe check valve and a regular check valve?
A: A globe check valve combines the flow control capability of a globe valve with the automatic backflow prevention of a check valve. It allows bi-directional flow adjustment while preventing reverse flow without manual intervention. -
Q: Is this valve suitable for seawater applications?
A: Yes, the 316L stainless steel construction offers excellent resistance to chloride-induced corrosion, making it ideal for seawater, ballast, and offshore systems. -
Q: Can the flanged ends be customized to other standards?
A: Yes, we can supply flanges according to ASME B16.5 Class 150, JIS, or other standards upon request. -
Q: What is the maximum operating pressure?
A: The valve is rated PN16 (16 bar / 232 psi). For higher pressures, please contact us for custom designs. -
Q: Does this valve require special maintenance?
A: No, the design is maintenance-free under normal operating conditions. Periodic inspection of the seating surface is recommended for optimal performance. -
Q: What is the warranty period?
A: We offer a standard 12-month warranty from the date of shipment. Extended warranty options are available on request. -
Q: How do I install the valve for proper operation?
A: Install the valve in the direction indicated by the flow arrow on the body. It can be mounted horizontally or vertically, but vertical installation with upward flow is preferred for best check performance. -
Q: Is this valve certified for marine use?
A: The valve is manufactured under ISO9001 quality system. Marine classification society certificates (e.g., DNV, Lloyds) can be provided at an additional cost and lead time.
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