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Help CenterDuctile Iron Butterfly Valve Compliant With JIS F7480, Includes Mill Test Report and Warranty
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As a leading manufacturer with a strong foundation since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our high-performance Ductile Iron Butterfly Valve designed in full compliance with the JIS F7480 standard. We understand the critical need for reliability and traceability in industrial fluid control. That's why every valve we produce not only meets rigorous international specifications but is also backed by a comprehensive Mill Test Report and a solid manufacturer's warranty, providing you with undeniable quality assurance and peace of mind for your projects across the globe.
Our Ductile Iron Butterfly Valve is engineered for durability and precise flow control in a wide range of applications. The robust ductile iron construction offers superior strength and impact resistance compared to standard cast iron, ensuring a long service life even in demanding environments. The valve features a streamlined design that minimizes pressure drop and allows for quick, quarter-turn operation to open or close the flow path efficiently.
Key Technical Specifications & Advantages:
- Superior Body Material: The valve body is crafted from high-grade ductile iron (also known as nodular cast iron), which provides excellent tensile strength, toughness, and corrosion resistance. This makes it suitable for handling water, oil, gas, and mild chemical media.
- JIS F7480 Compliance: Adherence to the Japanese Industrial Standard (JIS) F7480 ensures the valve meets specific dimensions, pressure ratings, testing methods, and performance criteria recognized and trusted in markets worldwide, particularly in Asia and beyond.
- Precision-Matched Components: The disc and stem are typically made from stainless steel (e.g., SS304 or SS416), offering excellent resistance to corrosion and wear. The disc is designed to provide a bubble-tight shut-off when paired with the resilient seat.
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Versatile Seat Options: Available with various seat materials to suit different media and temperature ranges:
- EPDM (Ethylene Propylene Diene Monomer): Ideal for water, air, and weak acids/alkalis. Temperature range: -10°C to 120°C.
- NBR (Nitrile Butadiene Rubber): Excellent for oils, fuels, and hydrocarbons. Temperature range: -10°C to 80°C.
- Metal Seated (Stainless Steel): For high-temperature applications or abrasive media where elastomers are unsuitable.
- Flexible Connection & Operation: The valve comes in both wafer and lug body styles for easy installation between flanges. Operation can be manual via a lever or gearbox, or automated with the addition of pneumatic or electric actuators, available upon request.
- Comprehensive Quality Documentation: Each valve is supplied with a Mill Test Report (MTR). This traceable document certifies the chemical composition and mechanical properties of the materials used, providing verifiable proof of quality and compliance.
- Reliability in Operation: The design ensures low torque operation, reducing wear on the actuator and extending the valve's operational lifespan. The streamlined disc design minimizes turbulence and cavitation.
Detailed Parameter Table:
| Parameter | Specification |
|---|---|
| Design Standard | JIS F7480 |
| Body Material | Ductile Iron (GGG-40/50) |
| Disc & Stem Material | Stainless Steel (SS304/SS316 optional) |
| Seat Material | EPDM, NBR, or Metal (Customizable) |
| Pressure Rating | PN10, PN16 (Class 125, Class 150) |
| Temperature Range | -10°C to 120°C (for EPDM seat) |
| Connection Type | Wafer or Lug |
| Operation | Manual Lever/Gear, Pneumatic/Electric Actuator Optional |
| Size Range | DN50 (2") to DN600 (24") (Wider range available) |
Benefits for Your Business:
- Reduced Downtime: The durable construction and reliable performance minimize maintenance needs and unexpected failures.
- Ease of Installation & Maintenance: The compact, lightweight design compared to gate valves allows for easier handling and installation. The resilient seat is often replaceable in-line.
- Cost-Effectiveness: Offers an excellent balance of performance, longevity, and initial investment, providing strong value over the valve's lifecycle.
- Global Project Compatibility: Compliance with JIS F7480 makes this valve a suitable choice for projects requiring recognized international standards.
- Supply Chain Confidence: The included Mill Test Report eliminates guesswork about material quality, simplifying your own quality control and documentation processes.
Trust is built on proven performance and transparency. Shanghai Zhibang Valve operates under an ISO9001-certified quality management system, ensuring consistent manufacturing excellence. With an annual export value ranging between US$1 Million to US$1.5 Million, our products have gained the trust of clients in diverse markets including North America, South America, Eastern Europe, Southeast Asia, Africa, and Oceania. We ship efficiently from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing. Choosing our Ductile Iron Butterfly Valve means selecting a product backed by a manufacturer's warranty, verifiable quality documentation, and nearly a decade of industry experience. Contact us today to discuss how this reliable valve can enhance your fluid control systems.
Frequently Asked Questions (FAQ):
Q1: What is the significance of the JIS F7480 standard for this butterfly valve?
A1: The JIS F7480 standard specifies requirements for dimensions, materials, pressure ratings, and testing for butterfly valves. Compliance ensures the valve meets a recognized international benchmark for quality, performance, and interchangeability, which is crucial for engineering specifications and global projects.
Q2: What exactly is a Mill Test Report (MTR), and why is it important?
A2: A Mill Test Report is a certified document from the material manufacturer. It details the chemical composition and mechanical properties (like tensile strength) of the raw materials (ductile iron, stainless steel) used in the valve. It provides traceability and proof that the materials meet the specified grades, which is vital for quality assurance in critical applications.
Q3: Can this valve be used for potable water applications?
A3: Yes, when ordered with an EPDM seat, this valve is suitable for potable water. However, for full compliance with drinking water standards, specific certifications for the seat material (like WRAS, KTW, or NSF) may be required and should be requested based on your local regulations.
Q4: What are the main differences between wafer and lug type body designs?
A4: A wafer-style valve is installed between two pipe flanges using longer bolts that pass through both flanges. A lug-style valve has threaded inserts (lugs) on the valve body, allowing it to be bolted directly to each flange independently. Lug-style valves are often preferred for end-of-line service or when one side of the pipeline needs to be disconnected.
Q5: Is the valve suitable for throttling control, or is it only for on/off service?
A5> While primarily designed for reliable on/off service, our butterfly valves with the appropriate disc design and actuator can be used for throttling control in many applications. For precise modulation, we recommend discussing your specific flow control requirements with our engineering team.
Q6: What is covered under the manufacturer's warranty?
A6: The warranty typically covers defects in materials and workmanship under normal use for a specified period (e.g., one year from shipment). It assures you that the product is free from manufacturing faults. The exact terms and duration will be provided with your order documentation.
Q7: Can I order this valve with an electric or pneumatic actuator?
A7: Absolutely. We offer a range of manual, pneumatic, and electric actuators as optional accessories. Please provide your required operating torque, power supply (for electric), or air pressure (for pneumatic) specifications for a complete automated valve package solution.
Q8: What is the typical lead time for an order?
A8: Lead times vary based on order quantity, valve size, and configuration (e.g., with or without actuator). Standard sizes and configurations often have shorter lead times. Please contact our sales team with your specific requirements for an accurate delivery schedule.
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