JIS F7480 Butterfly Valve DN150-DN800 Ductile Iron Body, 5K/10K Flange Pressure Rating
Product Spotlights
As a leading manufacturer certified under ISO9001, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in delivering high-performance industrial valves. Our JIS F7480 Butterfly Valve series, designed for sizes from DN150 to DN800, represents a core solution for demanding flow control applications. Engineered with a robust ductile iron body and compliant with 5K/10K flange pressure ratings, this valve is built to offer reliable shut-off, durability, and ease of operation in systems ranging from water distribution to industrial processing.
We understand the critical need for dependable fluid handling components. Since our establishment in 2016, we have focused on manufacturing valves that meet stringent international standards, ensuring our clients receive products that integrate seamlessly into their operations and withstand challenging conditions. Our annual export value of US$1-1.5 million to diverse markets across the globe is a testament to the trust and satisfaction of our international partners.
Key Features & Technical Advantages:
- Superior Construction: The valve body is crafted from high-grade ductile iron, providing exceptional strength and impact resistance compared to standard cast iron, significantly reducing the risk of fracture under pressure or thermal stress.
- Precise Flow Control: The 90-degree rotary disc design ensures a tight seal and smooth, low-torque operation. The disc is typically coated with a durable epoxy layer for enhanced corrosion resistance.
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Versatile Sealing Options: Available with various seat materials to suit different media:
- EPDM: Excellent for water, air, and weak acids/alkalis up to 120°C.
- NBR: Ideal for oil, gas, and fuel applications.
- PTFE: Provides superior chemical resistance for highly corrosive fluids.
- Flexible Operation: Can be supplied with manual levers, gear operators for larger sizes/higher torque, or automated with pneumatic/electric actuators for remote control and integration into SCADA systems.
- Broad Compatibility: The JIS F7480 standard and 5K/10K pressure ratings ensure compatibility with a wide range of piping systems commonly used in Asian and international markets, facilitating easy installation and replacement.
Detailed Technical Specifications:
| Parameter | Specification |
| Product Standard | JIS F7480 |
| Nominal Diameter (DN) | 150, 200, 250, 300, 350, 400, 450, 500, 600, 700, 800 |
| Pressure Rating | 5K (Approx. PN10), 10K (Approx. PN16) |
| Body Material | Ductile Iron (FCD450) |
| Disc Material | Ductile Iron with Epoxy Coating (Standard) |
| Stem Material | Stainless Steel (SS304/SS416) |
| Seat Material (Standard) | EPDM (Other materials available) |
| Operating Temperature | -10°C to +120°C (with EPDM seat) |
| Connection Type | Wafer or Lug Style (Selectable) |
| Operation | Lever, Gearbox, or Actuator (Optional) |
Benefits for Your Project:
- Long Service Life & Reduced Maintenance: The combination of ductile iron and corrosion-resistant coatings minimizes wear and tear, leading to lower lifetime costs and less frequent replacements.
- Easy Installation & Space Saving: The compact wafer design requires less space than gate valves and simplifies installation between flanges, reducing labor time and system footprint.
- Cost-Effective Solution: Offers an optimal balance of performance and price for medium-pressure applications, providing greater value than more expensive valve types where applicable.
- Global Market Acceptance: Compliance with JIS standards makes this valve suitable for projects in Southeast Asia, Eastern Asia, and other regions where these specifications are prevalent, supported by our export experience to over a dozen global markets.
Choosing Shanghai Zhibang means partnering with a dedicated manufacturer with a proven track record. Our ISO9001 certification underpins every stage of production, from material sourcing to final testing, guaranteeing consistent quality. We ship efficiently from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring timely delivery to your destination, whether in North America, Europe, Africa, or Oceania. For a reliable, standardized, and competitively priced butterfly valve solution that meets the JIS F7480 specification, contact us today to discuss your requirements or request a detailed quotation.
Frequently Asked Questions (FAQ)
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Q: What is the main advantage of a ductile iron body over cast iron?
A: Ductile iron offers significantly higher tensile strength and elongation (ductility), making it more resistant to shock loads, pressure surges, and brittle fracture. It provides a more reliable and durable valve body for demanding applications. -
Q: Can this valve be used for both isolating and regulating flow?
A: While primarily designed for on/off (isolating) service, this butterfly valve can be used for moderate throttling or flow regulation. For precise control over long periods, it is recommended to consult with our engineers regarding seat material and disc design suitability. -
Q: What is the difference between 5K and 10K pressure ratings?
A: The "K" rating (JIS pressure class) indicates the maximum allowable pressure. 10K (approx. PN16) valves are rated for higher pressure applications than 5K (approx. PN10) valves. The selection depends on your system's maximum working pressure. -
Q: Are actuators available for automated operation?
A: Yes. We can supply compatible pneumatic (double-acting or spring-return) or electric actuators. Please specify your required control signal (e.g., 4-20mA, on/off), voltage, and fail-safe mode when inquiring. -
Q: What seat material should I choose for seawater application?
A: For seawater or other highly corrosive media, we recommend specifying a PTFE (Teflon) seat or, alternatively, EPDM with specific compound grades resistant to saline environments. Our technical team can advise based on your exact conditions. -
Q: Do you provide custom coatings or material grades?
A: Customizations such as special epoxy coatings, different grades of stainless steel for the stem, or other body/disc materials are available upon request. Please share your specific requirements for a feasibility and quotation check. -
Q: What is the lead time for an order of DN500 valves?
A: Lead times vary based on order quantity and configuration (manual vs. actuated). For standard DN500 valves with manual gear operation, typical production time is 30-45 days. We provide accurate timelines with every quotation. -
Q: Are test reports and certifications provided with the shipment?
A: Yes. Each shipment is accompanied by a Mill Test Certificate (MTC) for materials, a factory hydrostatic test report, and a certificate of conformity. Our ISO9001 quality system certification is also available for review.
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