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Help CenterCast Iron Marine Butterfly Valve With EPDM Seat, JIS F7480 Flange Standard, DN50-DN1200 Size Range
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Shanghai Zhibang Valve Manufacture Co., Ltd., a professional valve manufacturer established in 2016, proudly presents its robust Cast Iron Marine Butterfly Valve with EPDM Seat. Engineered to meet the demanding requirements of marine and industrial applications, this valve series combines durability, reliable sealing, and compliance with international standards. Our focus on quality, backed by an ISO9001 certified production system, ensures each valve delivers consistent performance and longevity in controlling fluids under various conditions.
This butterfly valve is designed for efficient flow regulation in pipelines. The cast iron body provides excellent strength and corrosion resistance, while the EPDM (Ethylene Propylene Diene Monomer) seat offers superior sealing performance and resilience against a wide range of media, including water, seawater, and mild chemicals. Adhering to the JIS F7480 flange standard, it ensures compatibility and secure connection in systems following Japanese Industrial Standards, widely recognized in many international markets.
Key Features & Technical Specifications:
- Durable Construction: The valve body is made from high-grade cast iron, known for its mechanical strength and good resistance to corrosion, making it suitable for marine environments and general industrial use.
- High-Performance Sealing: The EPDM elastomer seat ensures a tight seal, with excellent properties including good elasticity, resistance to weathering, ozone, and a broad temperature range typically from -40°C to +120°C.
- Standard Compliance: Manufactured to conform to JIS F7480 flange dimensions, facilitating easy installation and interchangeability in compatible piping systems.
- Versatile Size Offering: Available in a comprehensive size range from DN50 (approx. 2 inches) to DN1200 (approx. 48 inches), catering to various pipeline diameters and flow requirements.
- Operational Flexibility: Standard operation is via a manual lever handle for quick on/off control. For larger sizes or higher torque requirements, a gearbox operator is available as an optional accessory.
- Design Options: Primarily offered in a wafer design for installation between two flanges with bolts, reducing space and weight. Lug design versions are also available upon request for end-of-line or dead-end service applications.
Primary Technical Parameters Table:
| Parameter | Details / Range |
|---|---|
| Body Material | Cast Iron |
| Seal Material | EPDM |
| Flange Standard | JIS F7480 |
| Nominal Diameter (DN) | 50, 65, 80, 100, 125, 150, 200, 250, 300, 350, 400, 450, 500, 600, 700, 800, 900, 1000, 1100, 1200 |
| Pressure Rating | Typically PN10/16 (Customizable for higher ratings) |
| Temperature Range (Seat) | Approximately -40°C to +120°C |
| Operation Type | Manual Lever (Standard), Gearbox (Optional) |
| Design Type | Wafer (Standard), Lug (Optional) |
Benefits for Your Project:
- Reliability in Marine Service: The combination of cast iron and EPDM provides a valve capable of handling seawater, ballast water, cooling systems, and other marine fluid controls with dependable sealing and corrosion resistance.
- Simplified Installation & Compatibility: Compliance with JIS F7480 reduces installation complexity and ensures a proper fit with flanges adhering to this standard, common in shipbuilding and related industries.
- Broad Application Coverage: The extensive size range allows you to source valves for different line sizes within a single project or across multiple projects, ensuring consistency.
- Cost-Effective Solution: Butterfly valves offer a compact and lightweight design compared to other valve types, often resulting in lower initial cost and reduced space requirements.
- Long Service Life: The quality materials and manufacturing process aim to minimize maintenance needs and extend the valve's operational lifespan, providing long-term value.
With an annual export value between US$1 Million and US$1.5 Million, Shanghai Zhibang Valve has established a strong presence in markets across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Mid East, Eastern Asia, Western Europe, and other regions. Our products are shipped from major ports including Shanghai, Guangzhou, Hongkong, and Beijing, ensuring efficient logistics. This global reach and consistent export performance underscore our capability to deliver reliable valve solutions worldwide. Choose our Cast Iron Marine Butterfly Valve for a robust, standard-compliant, and versatile component that enhances the efficiency and reliability of your fluid control systems. Contact us for detailed specifications, pricing, or to discuss custom requirements for your specific application.
Frequently Asked Questions (FAQ):
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Q: What is the main advantage of using an EPDM seat in this butterfly valve?
A: EPDM seats offer excellent sealing elasticity, good resistance to weathering, ozone, and a wide temperature range. They are particularly suitable for water, seawater, and many mild chemical applications, providing durable and reliable sealing performance. -
Q: Is the JIS F7480 flange standard compatible with other common flange standards like ANSI or DIN?
A: While JIS F7480 has its specific dimensions, it may not be directly interchangeable with ANSI or DIN flanges without adapters. It is crucial to ensure your piping system flanges match the JIS standard for proper installation. -
Q: Can this valve be used for applications other than marine?
A: Absolutely. While designed for marine environments, its cast iron body and EPDM seat make it suitable for various industrial applications involving water, air, gases, and mild chemicals in sectors like water treatment, HVAC, and general industry. -
Q: What pressure ratings are available for these valves?
A: The standard valves are typically rated for PN10 or PN16 pressure classes. Higher pressure ratings can be accommodated through customized design and material selection upon request. -
Q: Are actuators available for automated operation?
A: Yes. While manual lever and gearbox operators are standard, the valve can be configured with electric, pneumatic, or hydraulic actuators for automated control systems. Please inquire for actuator options. -
Q: What is the delivery time for large sizes like DN1000 or DN1200?
A: Delivery times vary based on order quantity and current production schedule. Larger sizes may require longer manufacturing cycles. We provide estimated lead times upon receipt of your specific inquiry. -
Q: Does the company provide technical support or installation guidance?
A: Yes, as a manufacturer, we offer technical data sheets, installation manuals, and can provide guidance on proper valve selection and installation for your system. -
Q: Are other seat materials available besides EPDM?
A: Yes. While EPDM is standard for its balanced properties, other elastomers like NBR (Nitrile) or PTFE may be available as alternatives for specific media compatibility requirements. Customization is possible.
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