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Help CenterJIS F7399 Cast Steel Angle Pneumatic Quick Closing Valve With Mill Test Report
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As a professional manufacturer with a strong commitment to quality and reliability, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our JIS F7399 Cast Steel Angle Pneumatic Quick Closing Valve. Engineered for demanding industrial applications, this valve is designed to provide rapid, fail-safe shut-off, enhancing operational safety and process control efficiency. Backed by our ISO9001 certified manufacturing processes and extensive experience since 2016, we deliver a product that meets rigorous international standards. Our valve is trusted by clients across diverse global markets, from North America to Southeast Asia, ensuring consistent performance where it matters most.
This valve combines robust construction with advanced actuation technology. The key to its reliable operation lies in its specific design and high-quality components.
- Rapid Closure Mechanism: The pneumatic actuator ensures swift valve closure within seconds upon receiving a control signal or in case of power/air failure, minimizing potential hazards.
- Robust Cast Steel Body: Manufactured from high-grade cast steel, the valve body offers exceptional strength and durability, resisting corrosion and withstanding high-pressure environments common in industrial settings.
- Angle Pattern Design: The angle-type configuration allows for a smooth change in flow direction, reducing turbulence and pressure drop compared to straight-through valves, which is ideal for specific piping layouts.
- Fail-Safe Operation: Typically configured as spring-return, the valve defaults to a closed (or open) position upon loss of pneumatic supply, providing a critical safety function.
- Precise Control Integration: Easily interfaces with plant control systems (DCS/PLC) via solenoid valves, allowing for automated and remote operation.
- Comprehensive Documentation: Each valve is supplied with a Mill Test Report (MTR), providing traceable material certification and proof of compliance with specified chemical and mechanical properties.
The technical specifications of the valve are detailed below. Please note that specific parameters like pressure rating and port size are customizable based on application requirements.
| Design Standard | JIS F7399 |
| Body Material | Cast Steel (e.g., WCB, LCB) |
| Connection Type | Flanged (Standard as per JIS), Angle Pattern |
| Actuator Type | Double-Acting or Spring-Return Pneumatic |
| Operation Mode | Quick Closing (Fail-Safe) |
| Pressure Class | Available in various classes (e.g., 10K, 16K, 20K) |
| Port Size | Customizable from 1/2" to 24" or as required |
| Supply Pressure | Typical range: 4-7 bar (58-102 psi) |
| Ambient Temperature Range | -20°C to 80°C (standard), wider ranges available |
Choosing our quick closing valve brings distinct advantages to your operations. It enhances plant safety by providing immediate isolation of process lines. The automation readiness reduces manual intervention and labor costs. Furthermore, the durable construction ensures a long service life with minimal maintenance, leading to lower total cost of ownership. Its compliance with the JIS F7399 standard guarantees interoperability and reliability in systems designed to Japanese industrial specifications.
Our commitment to quality is demonstrated through our ISO9001 certification, ensuring every valve undergoes stringent quality checks. With an annual export value ranging between US$1 Million and US$1.5 Million, we have established a robust supply chain and proven expertise in serving major markets worldwide, including North America, Europe, Asia, and Africa. We ship from multiple ports like Shanghai and Guangzhou for flexible logistics. Each valve is not just a product but a documented assurance of quality, accompanied by a Mill Test Report for complete material traceability. Partner with us for a reliable safety solution that protects your assets and personnel.
Frequently Asked Questions (FAQ)
Q1: What does "Quick Closing" specifically mean for this valve?
A1: "Quick Closing" refers to the valve's ability to move from its normal operating position (usually open) to its fail-safe position (closed) in a very short time, typically within 1-5 seconds, upon receiving a trip signal or loss of actuation power. This rapid action is crucial for emergency shutdown scenarios.
Q2: Is the pneumatic actuator included, and what is its fail-safe action?
A2: Yes, the pneumatic actuator is integral to the valve assembly. The standard fail-safe action is spring-return to close (or sometimes open, depending on specification). On loss of air supply, the internal springs automatically drive the valve to its safe position.
Q3: What is the significance of the JIS F7399 standard?
A3: JIS F7399 is a Japanese Industrial Standard for shipboard valves. It specifies requirements for materials, design, pressure-temperature ratings, testing, and marking for steel valves used in marine applications. Valves conforming to this standard are recognized for their reliability in demanding service.
Q4: Can this valve be used in applications other than marine/shipbuilding?
A4: Absolutely. While designed to JIS F7399 (a marine standard), its robust cast steel construction and quick-closing safety feature make it suitable for various industrial applications requiring rapid isolation, such as in power plants, oil & gas facilities, chemical processing, and fire protection systems.
Q5: What information is provided in the Mill Test Report (MTR)?
A5: The MTR is a certificate from the material manufacturer. It provides traceable data including chemical composition analysis, mechanical property tests (tensile strength, yield strength, elongation), heat treatment details, and results of non-destructive tests, verifying the material meets the ordered specifications.
Q6: Are the valve's flange dimensions compatible with ANSI or other standards?
A6: The valve is manufactured to JIS flange dimensions as standard. However, compatibility with ANSI, DIN, or other flange standards can be addressed through custom manufacturing. It is important to specify your required flange standard during inquiry.
Q7: What is the lead time for an order?
A7: Lead time depends on order quantity and specific customization requirements. Standard configurations typically have shorter lead times. We recommend contacting our sales team with your detailed requirements for an accurate production and delivery schedule.
Q8: Do you provide after-sales support and spare parts?
A8: Yes, as a manufacturer, we provide comprehensive after-sales technical support and maintain an inventory of critical spare parts like seals, springs, and actuator components to ensure the long-term performance and serviceability of our valves.
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