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Help CenterJIS F7301 High Pressure Ball Valve Forged Steel PN4.0MPa DN15-DN40
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As a specialized manufacturer of industrial valves, Shanghai Zhibang Valve Manufacture Co., Ltd. brings precision engineering to your critical fluid control applications. Our JIS F7301 High Pressure Ball Valve in Forged Steel is engineered to deliver reliable, leak-free performance under demanding PN4.0MPa conditions. Built to meet the stringent requirements of the Japanese Industrial Standard, this valve series offers a robust solution for systems requiring dependable shut-off and flow control. With a decade of manufacturing expertise since our establishment in 2016, we provide valves that combine durability with operational efficiency, supporting industries worldwide from our production base in Shanghai.
This valve is designed for longevity and safety in high-pressure environments. The forged steel construction provides superior strength and resistance to deformation compared to cast alternatives, ensuring the valve body can withstand sustained high pressures and potential thermal stresses.
- Core Construction & Material Advantage: The valve body, ball, and stem are manufactured from forged steel, selected for its high tensile strength, excellent impact resistance, and good performance across a wide temperature range. This material choice directly translates to a longer service life and reduced risk of catastrophic failure under pressure.
- Precision Sealing for Zero-Leakage: The sealing system is a critical focus. Options include advanced PTFE seals for general applications or specialized metal seals for extreme temperatures and corrosive media. The ball is precision-machined and polished to ensure a perfect seal against the seat, guaranteeing bubble-tight shut-off when closed.
- Standard Compliance & Interoperability: Compliance with JIS F7301 standard ensures specific dimensions, pressure ratings, testing methods, and material requirements are met. This standardization facilitates easier integration into existing piping systems designed around JIS specifications and assures a known level of quality and performance.
- Operational Flexibility & Configurations: The valve is available with different actuation methods. A standard manual lever provides quick on/off control. For larger sizes or higher torque requirements, a gear operator can be specified. End connections can be threaded (NPT, BSP) or flanged (JIS flange standards), tailored to your piping setup.
- Flow Efficiency: Available in full port and standard port designs. The full port version has a bore diameter nearly equal to the pipe ID, minimizing pressure drop and allowing for higher flow rates, which is crucial for process efficiency.
- Application Versatility: While designed for high-pressure water, oil, gas, and steam services, the specific material and seal combinations allow customization for various industrial sectors, including chemical processing, power generation, shipbuilding, and oil & gas exploration.
Below is a summary of key specifications for the DN15-DN40 size range:
| Parameter | Details |
| Product Standard | JIS F7301 |
| Pressure Rating | PN4.0MPa (Approx. 580 psi) |
| Size Range (Nominal Diameter) | DN15, DN20, DN25, DN32, DN40 |
| Primary Material | Forged Steel (e.g., A105, F22) |
| Temperature Range (Typical) | -20°C to +200°C (with PTFE seals); Higher with metal seals |
| End Connection Options | Threaded (NPT/BSP), Flanged (JIS) |
| Seal Material Options | PTFE, Reinforced PTFE, Metal (Stainless Steel) |
| Operation Type | Manual Lever, Gear Operator (Optional) |
The primary benefit for your operation is enhanced system safety and reliability. Using a valve designed and tested for a specific high-pressure rating reduces the risk of leaks or failures. The forged steel body offers greater integrity. Furthermore, standardization simplifies procurement, installation, and potential replacement. The configurable options allow you to match the valve precisely to your service conditions (media, temperature, actuation needs), optimizing performance and cost.
Choosing Zhibang Valve means partnering with a certified and globally experienced supplier. Our ISO9001 certification underpins a consistent quality management system for every valve we produce. With an annual export value between US$1 Million and US$1.5 Million, we have established a strong track record of supplying reliable products to diverse markets across North America, South America, Europe, Asia, Africa, and Oceania. We support this global reach with efficient logistics from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing. This valve series embodies our commitment to delivering industrially robust, specification-compliant solutions. For a high-pressure ball valve that offers strength, compliance, and configurable performance, contact us to discuss your specific requirements or request a quotation.
Frequently Asked Questions (FAQ)
Q1: What does JIS F7301 compliance mean for this valve?
A: JIS F7301 is a Japanese Industrial Standard specifying requirements for steel ball valves. Compliance ensures the valve meets defined criteria for dimensions, materials, pressure ratings, design, and testing methods. It provides a recognized benchmark for quality and interoperability in systems using JIS standards.
Q2: Why is forged steel used instead of cast steel?
A: Forged steel undergoes a process that aligns the grain structure, resulting in higher tensile strength, better impact resistance, and generally greater integrity under high pressure and thermal cycling. It is often chosen for critical high-pressure applications where material failure risks must be minimized.
Q3: Can this valve be used with corrosive fluids?
A: The forged steel body offers good general corrosion resistance. For highly corrosive media, the selection of appropriate seal materials (like reinforced PTFE or specific metals) and potential internal coatings can be discussed. The valve's suitability depends on the specific chemical composition and concentration.
Q4: What is the difference between PN4.0MPa and Class ratings like Class 300?
A: PN4.0MPa is a metric pressure rating indicating a nominal pressure of 4.0 Megapascals (approximately 580 psi). Class ratings (e.g., ANSI Class) are a different system. While they can be roughly correlated, it's essential to ensure the valve's PN rating meets or exceeds your system's maximum working pressure.
Q5: Are these valves fire-safe?
A: Standard versions with PTFE seals are not typically designed as fire-safe valves. Fire-safe designs require specific seat and seal arrangements that can maintain a seal during a fire. If fire-safe certification is required, it would be a specialized configuration and should be requested explicitly.
Q6: Can I get valves with different end connections, like ANSI flanges instead of JIS?
A: Yes. While the standard offering complies with JIS F7301, which may include JIS flange dimensions, end connections can often be customized. Threaded ends (NPT, BSP) or flanges per other standards (ANSI, DIN) can be available as an option. Please specify your required connection type when inquiring.
Q7: What is the typical delivery lead time for these valves?
A: Lead time depends on the specific size, configuration options, and order quantity. Standard configurations in the DN15-DN40 range often have shorter lead times. As a manufacturer with an established export operation, we can provide estimated lead times based on your detailed inquiry.
Q8: Does the manufacturer provide testing reports or certificates?
A: Yes. As an ISO9001-certified manufacturer, we conduct routine tests (such as pressure tests, shell tests) during production. Relevant test reports or certificates can be provided upon request to support your quality assurance and documentation needs.
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