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Help CenterJIS F7481 Large Diameter Butterfly Valve, 304 Stainless Steel Disc, EPDM Seat, Gearbox Actuator
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Shanghai Zhibang Valve Manufacture Co., Ltd., established in 2016 and certified with ISO9001, specializes in producing high-performance industrial valves for global markets. Our JIS F7481 Large Diameter Butterfly Valve is engineered for demanding applications, combining a robust 304 Stainless Steel disc with an EPDM seat and a reliable Gearbox Actuator. This valve offers exceptional durability, corrosion resistance, and precise flow control, making it an ideal solution for water treatment, chemical processing, HVAC, and other industrial systems requiring large-diameter fluid management.
The core value of this valve lies in its long service life and low maintenance requirements. The 304 stainless steel disc withstands corrosive environments, while the EPDM seat provides excellent sealing across a wide temperature range. The gearbox actuator ensures smooth, reliable operation even under high torque conditions, reducing operator effort and enhancing safety. Clients benefit from reduced downtime, lower operational costs, and improved system efficiency.
Key Features & Technical Specifications:
- Disc Material: 304 Stainless Steel – offers high corrosion resistance and strength.
- Seat Material: EPDM (Ethylene Propylene Diene Monomer) – provides excellent elasticity, sealing performance, and resistance to aging, water, and mild chemicals.
- Actuator: Manual Gearbox Actuator – designed for easy operation with high torque output; optional pneumatic or electric actuators are available upon request.
- Design Standard: JIS F7481 – ensures compliance with Japanese industrial standards for dimensions, performance, and testing.
- Sealing Mechanism: The EPDM seat creates a tight seal against the disc, minimizing leakage and suitable for pressures up to typical butterfly valve ratings.
- Connection: Flanged ends, compatible with standard piping systems; specific flange standards (e.g., JIS, ANSI) can be customized.
- Operation Angle: Typically 0-90 degrees for full open/close control.
- Applications: Ideal for large-diameter pipelines in water supply, drainage, cooling systems, chemical plants, power generation, and general industrial fluid control.
Technical Parameters Table:
| Parameter | Details / Range |
| Standard | JIS F7481 |
| Disc Material | 304 Stainless Steel |
| Seat Material | EPDM |
| Actuator Type | Manual Gearbox (Standard) |
| Optional Actuators | Pneumatic, Electric |
| Diameter Range | Large Diameter (Specific sizes customizable) |
| Pressure Rating | Standard ratings applicable, customizable |
| Temperature Range (Seat) | EPDM suitable for -20°C to +120°C (approx.) |
| Connection | Flanged |
Advantages & Client Benefits:
- Corrosion Resistance: The 304 stainless steel disc ensures longevity in harsh environments, reducing replacement frequency.
- Excellent Sealing: EPDM seat offers reliable, long-lasting sealing, minimizing fluid loss and maintaining system pressure.
- Ease of Operation: The gearbox actuator reduces manual effort, especially for large diameters, enhancing operator safety and control precision.
- Customizability: We can tailor dimensions, flange standards, and actuator types to match specific project requirements.
- Compliance: Meeting JIS F7481 standards assures quality and interoperability in relevant markets.
- Cost-Effectiveness: Durable materials and design lead to lower lifecycle costs compared to valves requiring frequent maintenance.
Backed by our ISO9001-certified manufacturing processes and annual export value of US$1-1.5 Million to diverse markets including North America, South America, Europe, Asia, Africa, and Oceania, Shanghai Zhibang Valve guarantees reliable product quality and consistent supply. Our valves are shipped from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring timely delivery worldwide. This JIS F7481 Butterfly Valve represents our commitment to providing robust, high-value solutions for industrial fluid control. Its combination of premium materials, standardized design, and operational efficiency makes it a dependable choice for your large-diameter pipeline projects. Contact us today for detailed specifications, pricing, or to discuss custom requirements.
FAQ:
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What is the JIS F7481 standard?
JIS F7481 is a Japanese Industrial Standard specifying dimensions, materials, performance, and testing methods for butterfly valves. Compliance ensures quality and compatibility with systems designed under this standard. -
Why is 304 stainless steel used for the disc?
304 stainless steel offers excellent corrosion resistance, good mechanical strength, and durability in various environments, making it suitable for water, chemicals, and other common fluids. -
What are the advantages of an EPDM seat?
EPDM provides superior elasticity, sealing capability, resistance to water, aging, and mild chemicals, and performs well within a typical temperature range of -20°C to +120°C. -
Can this valve be used with other actuator types?
Yes. While a manual gearbox actuator is standard, pneumatic or electric actuators can be provided as optional configurations based on your automation needs. -
What is considered "large diameter" for this valve?
"Large diameter" typically refers to sizes above standard small-scale valves, often from several inches upwards. Specific diameter ranges can be customized according to your pipeline requirements. -
Is this valve suitable for high-pressure applications?
Butterfly valves generally have specific pressure ratings. This valve is designed for standard pressure ranges common in industrial applications. For high-pressure needs, please consult us for customized solutions. -
What flange standards are available?
The valve features flanged connections. While compatible with common standards, specific flange standards (e.g., JIS, ANSI) can be customized to match your piping system. -
How does the gearbox actuator benefit operation?
The gearbox reduces the effort needed to operate large-diameter valves, provides smoother control, increases torque transmission, and enhances safety for the operator.
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