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Home > Industrial Equipment & Components > Valve > Butterfly Valve > 316 Stainless Steel Disc Marine Butterfly Check Valve With Flanged Ends, Full Mill Test Report

316 Stainless Steel Disc Marine Butterfly Check Valve With Flanged Ends, Full Mill Test Report

316 Stainless Steel Disc Marine Butterfly Check Valve With Flanged Ends, Full Mill Test Report thumbnail-3

316 Stainless Steel Disc Marine Butterfly Check Valve With Flanged Ends, Full Mill Test Report thumbnail-4

316 Stainless Steel Disc Marine Butterfly Check Valve With Flanged Ends, Full Mill Test Report thumbnail-5

316 Stainless Steel Disc Marine Butterfly Check Valve With Flanged Ends, Full Mill Test Report photo-1

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316 Stainless Steel Disc Marine Butterfly Check Valve With Flanged Ends, Full Mill Test Report photo-3

316 Stainless Steel Disc Marine Butterfly Check Valve With Flanged Ends, Full Mill Test Report photo-4

316 Stainless Steel Disc Marine Butterfly Check Valve With Flanged Ends, Full Mill Test Report photo-5

Product Spotlights

Engineered for demanding marine and corrosive environments, this valve features 316 stainless steel construction for superior chloride resistance, a full-port butterfly disc for efficient backflow prevention, and flanged ends for easy installation. Each unit comes with a Full Mill Test Report for material verification, backed by ISO9001 manufacturing. Ideal for offshore, chemical, and industrial systems requiring reliable, automatic check functionality.

Negotiable MOQ: 1 Unit (Price negotiable depending on order volume and customization)

Key Specifications

Get Latest Price

Application:

Other, Marine & Offshore Systems

Material:

316 Stainless Steel

Connection Type:

Flanged Ends

Contact Supplier Request Quote Chat Now

Shanghai Zhibang Valve Manufacture Co.,ltd

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
Company Profile
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Application Other, Marine & Offshore Systems

Material 316 Stainless Steel

Connection Type Flanged Ends

Valve Type Butterfly Check Valve

Disc Design Full Port Disc

Testing Report Full Mill Test Report Available

Operation Automatic Check Function

Sealing Type Optional elastomer/metal seal

Size Range Customizable upon request

Pressure Rating Available upon request

Shanghai Zhibang Valve Manufacture Co., Ltd., established in 2016, specializes in producing high-performance industrial valves for demanding global applications. As a dedicated manufacturer, we introduce our 316 Stainless Steel Disc Marine Butterfly Check Valve with Flanged Ends, a critical component engineered for reliability in marine and corrosive environments. This valve combines the superior corrosion resistance of 316 stainless steel with an efficient butterfly disc design, providing a dependable solution for flow prevention and system protection. With an annual export value reflecting our global reach across markets from North America to Oceania, our products are trusted for their quality and performance.

The core value of this valve lies in its ability to ensure unidirectional flow and prevent backflow in piping systems, particularly in seawater, chemical, and offshore applications where material integrity is paramount. The provision of a Full Mill Test Report underscores our commitment to transparency and quality assurance, giving you complete confidence in the material specifications and manufacturing standards of every unit shipped from our ports in Shanghai, Guangzhou, Hong Kong, or Beijing.

Detailed Product Features & Technical Specifications:

Premium Material Construction: The entire valve body, disc, and stem are manufactured from 316 Stainless Steel, offering exceptional resistance to chloride corrosion, pitting, and crevice corrosion, which is vital for marine and offshore use.
Optimized Butterfly Disc Design: Features a full port, low-profile disc that rotates on a shaft. This design ensures minimal flow restriction when open and provides a positive sealing surface when closed to prevent reverse flow.
Flanged End Connections: Standard flanged ends (e.g., ANSI, DIN, JIS standards available upon request) facilitate secure, bolt-on installation and integration into existing piping networks, reducing installation time and complexity.
Automatic Check Function: The valve operates automatically based on flow differential pressure. Forward flow opens the disc; cessation or reversal of flow causes the disc to close swiftly, protecting upstream equipment.
Robust Sealing Options: Depending on service conditions, the valve can be fitted with different seal types:
- Elastomer Seals: For general service with good tightness.
- Metal-to-Metal Seals: For high-temperature or abrasive media applications.
Enhanced Durability: The design minimizes wear points and utilizes hardened components where necessary, leading to a long service life even in cyclic or high-flow conditions.
Customizable Configurations: Available in a range of sizes and pressure ratings tailored to your specific project requirements. Actuation options (manual lever, gearbox) are also customizable.

Technical Parameters Table (Typical Specifications):

Parameter	Description / Typical Value
Primary Material	316 Stainless Steel (Body, Disc, Stem)
Connection Standard	Flanged, conforming to ANSI, DIN, JIS, etc. (specify)
Nominal Size Range	DN50 to DN600 (2" to 24") or customizable
Pressure Class	PN10, PN16, ANSI Class 150, etc. (available upon request)
Disc Type	Full Port Butterfly Disc
Seat Seal Material	Optional: EPDM, Viton, Metal (SS)
Operation Temperature	-20°C to +200°C (dependent on seal choice)
Flow Direction	Unidirectional, automatic check
Testing Documentation	Full Mill Test Report provided for material verification

Advantages and Client Benefits:

Corrosion Resistance for Marine Use: The 316 SS material specifically counters the corrosive effects of seawater, chlorides, and many chemicals, reducing maintenance and replacement costs in offshore, shipbuilding, and coastal plants.
Reliable Backflow Prevention: The efficient butterfly disc mechanism provides a fast, positive shut-off against reverse flow, protecting pumps, filters, and other sensitive equipment from damage.
Easy Installation and Maintenance: Flanged ends allow for straightforward bolting into pipelines. The design often permits in-line maintenance without full removal, saving downtime.
Documented Material Quality: The included Full Mill Test Report provides verifiable data on the steel's composition, mechanical properties, and conformity, which is crucial for quality audits and project specifications.
Global Supply Capability: With established export channels and multiple shipment ports, we ensure timely delivery to your location, whether in North America, Southeast Asia, Europe, or other main markets we serve.

Trust and Performance Assurance:

Shanghai Zhibang Valve operates under an ISO9001 certified quality management system, ensuring consistent manufacturing processes and product reliability. Our annual export value of US$1 Million - US$1.5 Million demonstrates active engagement and satisfaction across diverse international markets, including North America, South America, Eastern Europe, Southeast Asia, Africa, and Oceania. Each 316 Stainless Steel Marine Butterfly Check Valve we produce is backed by this institutional commitment to quality and supported by tangible material test reports. This combination of certified manufacturing, proven market acceptance, and full material transparency makes our valve a prudent and secure choice for your critical marine, chemical, or industrial applications. We encourage you to contact us for specific sizing, pressure ratings, and seal material selections to tailor this robust valve solution to your exact system requirements.

Frequently Asked Questions (FAQ):

Q: What is the main advantage of using 316 stainless steel over 304 for this valve?
A: 316 stainless steel contains molybdenum, which significantly enhances its resistance to corrosion from chlorides (like seawater) and many acids. For marine and aggressive chemical environments, 316 offers substantially longer service life compared to 304.
Q: How does a butterfly check valve differ from a traditional swing check valve?
A: A butterfly check valve uses a disc that rotates on a central shaft, offering a more compact design and often lower flow resistance. It can close more quickly than a swing check valve and is generally lighter, making it suitable for space-constrained installations.
Q: What does "Full Mill Test Report" include, and why is it important?
A: The Full Mill Test Report is a certificate from the steel mill detailing the chemical composition, mechanical properties (tensile strength, yield strength), and heat treatment of the raw material. It is crucial for verifying that the material meets specified standards (like ASTM A240) and ensures the valve's performance integrity.
Q: Can this valve be used for other applications besides marine?
A: Yes. While optimized for marine use, its 316 SS construction makes it suitable for various corrosive industrial applications, including chemical processing, pharmaceutical, food and beverage (with appropriate seals), and power plant cooling systems.
Q: Are the flanges standardized? Can I get valves with specific flange standards?
A: Yes, the valves are manufactured with standard flange dimensions. You can specify the required standard (e.g., ANSI B16.5, DIN EN 1092-1, JIS B2220) and pressure class during ordering to ensure compatibility with your piping.
Q: Is the valve suitable for high-temperature services?
A: The 316 SS body can withstand high temperatures. The operational temperature limit primarily depends on the selected seat seal material. With metal seals, the valve can handle higher temperatures than with elastomer seals. Specific limits should be confirmed based on your service conditions.
Q: Does the valve require any external power or control to function?
A: No. The butterfly check valve operates automatically based on flow pressure differential. It is a passive device—forward flow opens it, and loss of forward pressure or reverse flow causes it to close. No external power, sensors, or controls are needed for its basic check function.
Q: What maintenance is typically required for this valve?
A: Maintenance is generally minimal. Periodic inspection of the disc and seal for wear or debris buildup is recommended. Depending on the design, the seat seal may be replaceable without removing the entire valve from the line, facilitating easier maintenance.