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Help CenterMarine Pipeline Security: JIS F7301 Ball Valve With Locking Device for DN15-DN50 Systems
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As a specialized valve manufacturer with a strong focus on marine and industrial applications, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our JIS F7301 Ball Valve with an integrated locking device. Engineered for critical pipeline security in demanding marine environments, this valve provides a reliable and tamper-proof solution for fluid control systems ranging from DN15 to DN50. Our commitment to quality, backed by our ISO9001 certification and years of manufacturing expertise since 2016, ensures that each valve meets the rigorous standards required for safe and efficient offshore and onshore operations. We understand the paramount importance of pipeline integrity in marine settings, and this product is designed to deliver just that—uncompromising security and dependable performance.
The core value of this marine ball valve lies in its combination of robust construction and enhanced safety features. The integrated locking device is a critical component, preventing unauthorized or accidental operation of the valve, which is essential for system isolation, maintenance safety, and process control. Manufactured in compliance with the JIS F7301 standard, it is specifically suited for marine applications, offering corrosion resistance and durability against harsh seawater and atmospheric conditions. Whether it's for ballast systems, fuel lines, cooling water, or other shipboard services, this valve provides a secure shut-off point.
Key Features and Technical Advantages:
- Enhanced Security: The built-in locking device allows the valve to be secured in either the fully open or fully closed position using a padlock (typically not included). This deters tampering and ensures process stability.
- Marine-Grade Construction: Designed to withstand corrosive marine environments. Material options include bronze for general service, cast steel for higher pressure, and stainless steel (e.g., CF8/304, CF8M/316) for superior corrosion resistance.
- Reliable Sealing: Features PTFE (Teflon) or reinforced PTFE seats, providing excellent sealing performance, a wide temperature range compatibility, and low operating torque.
- Full Bore Design: Minimizes pressure drop across the valve, ensuring efficient flow with minimal turbulence, which is crucial for pump and system efficiency.
- Easy Operation and Maintenance: The standard lever handle provides quick 90-degree operation. A gear operator is available for larger sizes or higher torque applications. The compact design allows for easy installation in tight spaces.
- Versatile Connections: Available with threaded (NPT, BSP) or flanged connections (JIS, ANSI) to suit various pipeline specifications and facilitate integration into existing systems.
Technical Specifications Table:
| Parameter | Specification / Option |
| Product Standard | JIS F7301 (Ships' Valves) |
| Nominal Size (DN) | 15, 20, 25, 32, 40, 50 |
| Pressure Rating | JIS 10K, 16K, 20K (or equivalent PN ratings) |
| Body Material | Bronze, Cast Steel (WCB), Stainless Steel (304, 316) |
| Seat & Seal Material | PTFE, Reinforced PTFE, Metal Seated (optional) |
| Temperature Range | -20°C to +180°C (varies with seat material) |
| End Connection | Threaded (NPT/BSP), Flanged (JIS/ANSI) |
| Operation | Lever Handle, Locking Lever Handle, Gear Operator |
Benefits for Your Operations:
- Risk Mitigation: The locking mechanism significantly reduces the risk of operational errors or sabotage, enhancing overall plant and vessel safety.
- Reduced Downtime: Durable materials and reliable design lead to longer service intervals and fewer failures, minimizing maintenance downtime and associated costs.
- Regulatory Compliance: Adherence to JIS F7301 helps shipbuilders and operators meet classification society requirements and maritime safety regulations.
- Supply Chain Confidence: Sourcing from an ISO9001-certified manufacturer with a proven export record provides assurance of consistent quality and reliable delivery.
Trust in a supplier with a global footprint and a dedicated focus on quality manufacturing. Shanghai Zhibang Valve has been serving diverse markets across North and South America, Europe, Asia, Africa, and Oceania since 2016, with an annual export value reflecting our reliability and customer trust. Our products are shipped efficiently from major ports like Shanghai, Guangzhou, and Hong Kong. Choosing our JIS F7301 Locking Ball Valve means investing in a component that prioritizes security, durability, and performance for your marine pipeline systems. This valve is more than just a piece of equipment; it's a safeguard for your critical operations. Contact us today to discuss your specific requirements, request a quotation, or learn more about how our valves can enhance the security of your DN15-DN50 pipelines.
Frequently Asked Questions (FAQ)
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What is the main purpose of the locking device on this ball valve?
The primary purpose is to prevent unauthorized or accidental operation. By securing the valve handle with a padlock, you can lock it in the open or closed position, which is crucial for safety during maintenance, for isolating specific system sections, or for ensuring a process remains unchanged. -
Is this valve suitable for use with seawater?
Yes, it is designed for marine environments. For seawater service, we highly recommend selecting a valve with a stainless steel body (such as 316 SS) and compatible seals to ensure optimal corrosion resistance and long service life. -
Can you provide valves with different connection standards, like ANSI flanges?
Yes. While the valve is designed to JIS F7301, we can often provide valves with ANSI flanges or other connection types upon request. It is important to specify your required connection standard when inquiring. -
What pressure classes are available for the DN15-DN50 size range?
Common pressure classes include JIS 10K and 16K, which correspond to common working pressures for marine piping. Higher classes like 20K may be available. The suitable pressure rating depends on your specific system design pressure. -
Is the padlock included with the valve?
Typically, the locking device is integrated into the handle, providing the lugs or hasp for a standard padlock. The padlock itself is usually not included and should be supplied by the customer to meet their specific security and keying protocols. -
What is the lead time for an order of these valves?
Lead time varies based on order quantity, material selection, and connection specifications. We maintain a certain level of standard inventory, but for customized orders, please contact us for an accurate production schedule. -
Do you offer any other types of valves for marine applications?
Yes, as a valve manufacturer, our product range includes gate valves, globe valves, check valves, and butterfly valves that are also suitable for marine use. We can provide solutions based on your application needs. -
How does compliance with JIS F7301 benefit me as a buyer?
JIS F7301 is a Japanese Industrial Standard specifically for ship valves. Compliance indicates the valve is designed and tested for the rigors of marine service, including material, design, and pressure requirements. This can simplify approval processes with shipyards and classification societies.
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