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Home > Industrial Equipment & Components > Valve > Ball Valve > JIS F7301 Stainless Steel Ball Valve for Marine Seawater Pipeline Systems, 316L Body
JIS F7301 Stainless Steel Ball Valve for Marine Seawater Pipeline Systems, 316L Body
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Engineered for marine durability, this JIS F7301 ball valve features a 316L stainless steel body for superior seawater corrosion resistance. Compliant with marine standards, it offers reliable flanged connections, full-port flow, and optional fire-safe or gearbox operation. Ideal for seawater, ballast, and cooling systems, it ensures long service life and safety in shipbuilding and offshore applications.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Other, 316L Stainless Steel Body
Standard:
JIS F7301 Marine Standard
Application:
Other, Marine Seawater Pipeline Systems
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Material
Other, 316L Stainless Steel Body
Standard
JIS F7301 Marine Standard
Application
Other, Marine Seawater Pipeline Systems
Connection Type
Flanged (JIS Standard)
Pressure Rating
10K or 16K (Customizable)
Seat Seal Material
PTFE or Reinforced PTFE
Operation Type
Lever Handle or Gearbox (Optional)
Port Size
DN15 to DN300 (Customizable)
As a professional valve manufacturer established in 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our high-performance JIS F7301 Stainless Steel Ball Valve, engineered specifically for demanding marine seawater pipeline systems. With an annual export value reaching US$1-1.5 million, we understand the critical need for reliable, corrosion-resistant components in offshore and shipboard applications. Our valve, crafted from premium 316L stainless steel, is designed to meet the stringent requirements of marine environments, ensuring long-term durability and leak-free operation in handling seawater, ballast, cooling, and fire-fighting lines.
This valve represents our commitment to quality and international standards, holding ISO9001 certification for our manufacturing processes. It is a robust solution engineered to withstand the corrosive effects of seawater, providing shipbuilders, shipyards, and marine engineers with a dependable component for critical fluid control. The core value of this product lies in its exceptional material choice, adherence to the JIS F7301 standard, and its design optimized for easy operation and maintenance in the challenging marine setting.
Key Features & Technical Advantages:
- Superior Corrosion Resistance: The valve body is constructed from 316L stainless steel, which offers enhanced resistance to pitting and crevice corrosion in chloride-rich environments like seawater, far outperforming standard 304 stainless steel.
- JIS F7301 Marine Standard Compliance: Designed and manufactured in full compliance with the Japanese Industrial Standard F7301 for marine valves, ensuring dimensional accuracy, pressure integrity, and material suitability for marine use.
- Robust Flanged Connection: Features JIS standard flanged ends (10K or 16K pressure rating), ensuring a secure, leak-proof connection to marine pipeline systems and simplifying installation and replacement.
- Reliable Sealing Performance: Utilizes advanced PTFE or reinforced PTFE seat seals, providing excellent chemical resistance and a tight shut-off even after prolonged exposure to seawater and varying temperatures.
- Low Torque Operation: The precision-machined ball and stem assembly ensures smooth, low-friction operation, which can be actuated by a standard lever handle or an optional gearbox for larger sizes, reducing operator effort.
- Full Port Design (Standard): Offers a full bore (full port) design that minimizes pressure drop across the valve, maintains high flow capacity, and allows for easy passage of cleaning pigs or inspection tools.
- Fire-Safe Design (Optional): Available with fire-safe features where the seat design provides secondary metal-to-metal sealing in case of a fire, preventing catastrophic fluid release.
- Versatile Application Scope: Specifically designed for seawater systems but equally suitable for other marine fluid services including bilge, ballast, cooling water, tank cleaning, and deck washdown lines.
Technical Specifications:
| Parameter | Specification |
| Body Material | AISI 316L Stainless Steel |
| Ball & Stem Material | 316 Stainless Steel |
| Seat Seal Material | PTFE / Reinforced PTFE (Standard) |
| Design Standard | JIS F7301 |
| Flange Standard | JIS B2220 (10K, 16K) |
| Pressure Rating | PN16 / PN25 (or Class 150 / 300 equivalent) |
| Temperature Range | -20°C to +180°C (with PTFE seats) |
| Port Sizes Available | DN15 (1/2") to DN300 (12") |
| Operation | Lever Handle (Standard), Gear Operator (Optional for DN80+) |
| Flow Characteristic | Full Port (Full Bore) |
Benefits for Your Marine Projects:
- Extended Service Life: The 316L construction significantly reduces maintenance frequency and replacement costs caused by corrosion, leading to lower total cost of ownership.
- Enhanced System Safety: Reliable shut-off and robust construction minimize the risk of leaks or failures in critical seawater systems, protecting vessel integrity and crew safety.
- Global Standard Acceptance: Compliance with JIS F7301 facilitates its use in shipbuilding and repair yards worldwide, particularly in Asia, where this standard is prevalent.
- Operational Efficiency: The full port design and smooth operation ensure minimal flow resistance and easy actuation, contributing to efficient system performance.
- Supply Chain Reliability: As a manufacturer with direct control over production, we ensure consistent quality, competitive pricing, and flexible delivery options from major Chinese ports like Shanghai, Guangzhou, Hong Kong, and Beijing.
Shanghai Zhibang Valve's proven track record, underscored by our ISO9001-certified manufacturing and successful exports to key markets across North America, South America, Europe, Asia, Africa, and Oceania, serves as a strong trust endorsement for our marine valves. Our products are trusted in diverse marine applications globally. Choosing our JIS F7301 Stainless Steel Ball Valve means selecting a component built for reliability, durability, and performance under the most demanding conditions. We encourage shipowners, naval architects, and marine equipment suppliers to contact us for detailed quotations, technical drawings, or to discuss custom requirements tailored to your specific seawater pipeline system needs.
Frequently Asked Questions (FAQ)
-
Q: Why is 316L stainless steel specifically recommended for seawater applications?
A: 316L stainless steel contains molybdenum, which dramatically increases its resistance to chloride-induced corrosion, such as pitting and crevice corrosion, common in seawater. The "L" grade denotes low carbon content, minimizing susceptibility to sensitization (intergranular corrosion) during welding, making it ideal for fabricated marine pipelines. -
Q: What is the significance of the JIS F7301 standard for this valve?
A: JIS F7301 is a Japanese Industrial Standard specifically for marine valves. It defines requirements for materials, design, pressure ratings, testing, and dimensions to ensure the valve's suitability and reliability in marine environments. Compliance guarantees a product fit for purpose in shipbuilding and offshore industries, especially in regions where this standard is specified. -
Q: Can this valve be supplied with different flange standards, like ANSI or DIN?
A: While the standard offering complies with JIS flange dimensions (JIS B2220), we can often provide valves with ANSI or DIN standard flanges upon request. It's important to specify your required flange standard, pressure class (e.g., 150#, 300#), and facing details during inquiry for a customized solution. -
Q: Is this valve suitable for use with other fluids besides seawater?
A: Absolutely. While optimized for seawater, the 316L material and PTFE seals make it suitable for a wide range of mildly corrosive fluids, chemicals, oils, and gases within its pressure and temperature ratings. Please consult us for compatibility with specific media. -
Q: What types of actuation are available beyond the manual lever handle?
A: For manual operation on larger valve sizes (typically DN80 and above), a gearbox operator is recommended to reduce required hand force. Furthermore, the valve can be configured for pneumatic, hydraulic, or electric actuation for remote or automated control systems. These are optional and customizable. -
Q: How do you ensure the quality and performance of these marine valves?
A: Our manufacturing process is ISO9001 certified, ensuring systematic quality control. Each valve undergoes rigorous testing, including shell tests (pressure tests), seat leak tests, and operational checks. Certificates of compliance and test reports can be provided. -
Q: What is the typical lead time for orders, and what are the shipping terms?
A: Lead times vary based on order quantity and specifications. Standard sizes are often available from stock or have shorter production cycles. We ship from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing under standard international trade terms (FOB, CIF, etc.), which we can discuss based on your location. -
Q: Do you offer any support for installation or after-sales service?
A: We provide detailed installation manuals and dimensional drawings with each order. For after-sales support, we offer technical consultation and can supply spare parts like seals or stems if needed in the future, ensuring long-term support for your investment.
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1Yr
Business Type
Manufacturer
Year Established
2016
Annual Export Value
US$1 Million - US$1.5 Million
Product Certifications
ISO9001
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