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Help CenterDuctile Iron Butterfly Valve JIS F7480 Standard Compliant, DN80-DN600, EPDM Seal
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As a leading manufacturer with ISO9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our high-performance Ductile Iron Butterfly Valve, engineered to meet the stringent JIS F7480 standard. Designed for reliability and durability in demanding industrial applications, this valve series from DN80 to DN600 offers exceptional sealing performance and operational efficiency. With over 8 years of specialized manufacturing experience and a global export footprint spanning from North America to Oceania, we deliver products that meet the precise requirements of international markets. Our commitment to quality control ensures every valve provides long-term, leak-free service, making it a trusted component for fluid control systems worldwide.
This valve series is constructed with a robust ductile iron body, providing superior strength and impact resistance compared to standard cast iron. The heart of its sealing performance lies in the EPDM (Ethylene Propylene Diene Monomer) seat, which offers excellent resistance to water, steam, and a wide range of chemicals, ensuring a bubble-tight seal even after thousands of cycles. The disc is mounted on a stainless steel stem that is designed to prevent corrosion and ensure smooth operation over the valve's extended service life. The valve is available in both wafer and lug body designs to suit different piping system requirements and installation preferences.
Key Technical Specifications & Advantages:
- Precision Engineering: Manufactured to comply with JIS F7480, ensuring dimensional accuracy, interchangeability, and performance consistency that meets Japanese industrial standards, which are recognized globally for quality.
- Superior Sealing Technology: The EPDM elastomer seat provides a resilient seal with low operating torque. Its properties include excellent aging resistance and stability across the specified temperature range.
- Durable Construction: The use of ductile iron (also known as nodular cast iron) provides a high tensile strength and good elongation, making the valve body highly resistant to shock and pressure surges.
- Versatile Actuation Options: While supplied with a standard manual lever or gear operator, the valve is designed for easy integration with electric or pneumatic actuators, allowing for automated process control.
- Corrosion Protection: A standard epoxy powder coating is applied to external surfaces, providing a durable barrier against environmental corrosion. The internal wetted parts are designed for compatibility with the fluid media.
- Optimized Flow Characteristics: The disc design minimizes pressure drop across the valve when in the fully open position, contributing to energy efficiency in pumping systems.
The benefits for our clients are clear and substantial. By choosing our JIS F7480 compliant valve, you ensure system reliability, reducing downtime and maintenance costs. The standardized dimensions facilitate easy replacement and installation, saving on labor time. Furthermore, the robust design leads to a longer service life, providing a better return on investment. For engineers and procurement managers, it means specifying a product with proven performance that simplifies system design and meets international project specifications.
Detailed Parameter Table (Typical):
| Parameter | Specification |
| Body Material | Ductile Iron (GGG-40/50) |
| Disc Material | Ductile Iron with Epoxy Coating / Stainless Steel (Optional) |
| Stem Material | Stainless Steel (SS304/SS416) |
| Seat Material | EPDM (Standard), NBR, VITON (Optional) |
| Size Range (DN) | 80, 100, 125, 150, 200, 250, 300, 350, 400, 450, 500, 600 |
| Pressure Rating | PN10, PN16 (10 bar, 16 bar) |
| Temperature Range (with EPDM) | -10°C to +120°C |
| Leakage Class | Zero Leakage (Bubble-tight) per seat test |
| Operation Torque | Low torque design; specific values available upon request |
| End Connection | Wafer (Standard), Lug (Optional) - Drilled to relevant standards |
Our valves are widely applied in water treatment plants for inlet/outlet control, in HVAC systems for heating and cooling water regulation, in industrial process lines for general water service, and in irrigation and fire protection systems. The JIS standard compliance makes them particularly suitable for projects with Japanese specifications or those requiring high-reliability components.
Shanghai Zhibang Valve backs its products with the credibility of an ISO9001 certified manufacturing process, ensuring consistent quality from raw material inspection to final testing. With an annual export value ranging between US$1 Million to US$1.5 Million, our products have gained the trust of clients across diverse markets including North America, Europe, Southeast Asia, and Africa. Our strategic location with multiple shipment ports (Shanghai, Guangzhou, Hong Kong, Beijing) enables flexible and efficient logistics to meet your project timelines. When you choose this Ductile Iron Butterfly Valve, you are not just buying a component; you are investing in a solution backed by professional engineering, rigorous standards, and a commitment to customer satisfaction that encourages you to contact us for your specific requirements.
Frequently Asked Questions (FAQ):
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Q: What is the main advantage of a JIS F7480 compliant valve over other standards?
A: JIS F7480 is a well-respected Japanese industrial standard that specifies requirements for dimensions, materials, pressure-temperature ratings, and testing. Compliance ensures high manufacturing precision, reliability, and interchangeability, which is valued in international projects, especially in Asia and for clients who prioritize Japanese-quality benchmarks. -
Q: Is the EPDM seal suitable for potable water applications?
A: Yes, the EPDM elastomer used is typically compliant with standards for potable water contact, such as WRAS, KTW, or NSF/ANSI 61, subject to specific compound certification. Please confirm the required certification when inquiring. -
Q: Can this valve be used with fluids other than water?
A: The standard EPDM seat is suitable for water, steam, mild chemicals, and gases. For aggressive chemicals, oils, or fuels, alternative seat materials like NBR or Fluorocarbon (Viton) are available. It's important to provide the fluid media details for correct material selection. -
Q: What is the delivery time for DN600 size valves?
A: Standard sizes are often in stock or have shorter lead times. For larger sizes like DN600, production lead time can vary. We maintain efficient production scheduling and can provide a specific timeline upon receipt of your inquiry, considering our current order book. -
Q: Do you provide valves with actuators?
A: Absolutely. We offer a complete package including the valve fitted with electric, pneumatic, or hydraulic actuators from reputable brands or our partnered suppliers. We can provide actuated solutions tailored to your control requirements (on/off, modulating). -
Q: What testing is performed on the valves before shipment?
A: Each valve undergoes routine tests which typically include a shell test (body strength) and a seat leak test to ensure bubble-tight sealing. Full documentation and test reports can be provided upon request. -
Q: Are spare parts like seals available for future maintenance?
A: Yes, we supply genuine spare part kits, including seat rings, seals, and stems. The standardized design ensures that spare parts are readily available, supporting the long-term maintainability of your system. -
Q: What is the difference between wafer and lug type body designs?
A: A wafer-style valve is sandwiched between two pipe flanges using long bolts. A lug-style valve has threaded inserts (lugs) on the valve body, allowing it to be bolted directly to each flange, which can support the valve weight and allows for downstream pipe removal. The choice depends on your system design and installation needs.
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