Double Eccentric Butterfly Valve with EPDM Seal, Ductile Iron Body, and ISO Certification for Water Applications

Product Description:

The Double Eccentric Butterfly Valve is a highly reliable and efficient valve designed to meet the demanding requirements of modern water applications. Engineered with precision, this valve is manufactured in accordance with recognized industry standards such as BS and ANSI, ensuring compatibility, safety, and durability across a wide range of piping systems. Its robust construction and advanced design make it an ideal choice for controlling water flow in municipal, industrial, and commercial settings.

One of the standout features of this Butterfly Valve is its double eccentric or double offset design. Unlike traditional concentric butterfly valves, the double eccentric mechanism shifts the disc away from the seat and pipe bore axis. This offset reduces friction and wear between the disc and the seat during operation, which significantly extends the service life of the valve. The double eccentric design also ensures a bubble-tight shutoff, providing superior sealing performance that is critical in water distribution systems where leakage prevention is paramount.

The valve disc is crafted from high-quality stainless steel, combining strength, corrosion resistance, and longevity. Stainless steel disc material is particularly advantageous in water applications, as it withstands the corrosive effects of moisture and various water treatment chemicals. This ensures that the valve maintains optimal functionality over time, even in harsh or fluctuating environments. Furthermore, the stainless steel disc contributes to the valve’s ability to operate smoothly and reliably under varying pressure and temperature conditions.

Connection to the piping system is facilitated through a flange interface, which adheres to standardized dimensions and tolerances. This flange connection method simplifies installation and maintenance by allowing secure, leak-proof attachment to pipes and other equipment. The flanged ends are compatible with various pipe materials and sizes, enhancing the valve’s versatility and making it suitable for integration into existing water infrastructure with ease.

Compliance with international standards and certifications underscores the quality and reliability of this Double Eccentric Butterfly Valve. It is manufactured in accordance with BS (British Standards) or ANSI (American National Standards Institute) specifications, which are widely recognized benchmarks for valve performance and safety. Additionally, the valve holds ISO certification, attesting to its adherence to rigorous quality management systems. Certifications such as UL and FM further validate the valve’s suitability for use in environments where safety and performance are critical.

An innovative aspect of this valve is its dovetail design, which enhances the connection between the valve disc and the shaft. The dovetail joint ensures secure engagement and precise control, minimizing the risk of slippage or misalignment during operation. This design feature contributes to the overall durability and reliability of the valve, especially in applications requiring frequent operation or rapid cycling. The dovetail design also facilitates easier maintenance and replacement of components, reducing downtime and operational costs.

In water applications, the Double Eccentric Butterfly Valve offers excellent throttling and isolation capabilities. Its efficient sealing and low torque operation make it suitable for both on/off and modulating service, providing operators with precise control over water flow rates. The valve’s compact size and lightweight design compared to traditional gate or globe valves allow for easier handling and installation, reducing labor and material costs.

Overall, the Double Eccentric Butterfly Valve with its dovetail design, stainless steel disc, flange connection, and compliance with BS or ANSI standards represents a superior solution for water control systems. Its combination of advanced engineering, proven materials, and internationally recognized certifications ensures dependable performance, longevity, and safety. Whether used in municipal water supply networks, industrial processing plants, or commercial facilities, this valve delivers exceptional value and peace of mind to operators and engineers alike.

Features:

• Product Name: Double Eccentric Butterfly Valve
• Valve Type: Double Eccentric Butterfly Valve
• Application: Suitable for Water systems
• Seat Material: EPDM Seal for enhanced durability and sealing performance
• Pressure Range: 0-2.5MPa, suitable for various water pressure conditions
• Standard Compliance: Designed to comply with BS and ANSI standards
• Meets Drinking Water Standards: Butterfly Valve constructed to comply with drinking water safety requirements

Technical Parameters:

Applications:

The AFC Double Eccentric Butterfly Valve, available in models FBBD and FBGD, is a highly reliable and efficient valve designed for a wide range of water applications. Manufactured in China, this valve features a robust ductile iron body material which ensures excellent durability and corrosion resistance, making it ideal for both industrial and municipal water systems. Its seat made from EPDM provides superior sealing performance, ensuring leak-proof operation even under demanding conditions.

This valve is particularly suitable for scenarios requiring precise flow control and long-term reliability. The double eccentric design significantly reduces the friction between the disc and the seat, enhancing valve life and reducing maintenance requirements. The inclusion of a steel disc ring adds strength and wear resistance to the valve disc, enabling it to withstand high-pressure water flow and abrasive media. This makes the AFC Double Eccentric Butterfly Valve an excellent choice for water treatment plants, irrigation systems, and pipeline infrastructures.

The valve’s dovetail design contributes to its superior sealing capabilities and structural integrity, ensuring a tight shutoff and preventing leakage. This design aspect also facilitates easier assembly and disassembly during maintenance or replacement, improving operational efficiency. The big torque feature of the valve allows for smooth operation even under high-pressure conditions, making it suitable for large diameter pipelines and critical water distribution networks.

Certified by ISO, UL, and FM, the AFC Double Eccentric Butterfly Valve meets stringent industry standards, providing users with confidence in its performance and safety. Its application occasions range from municipal water supply systems and wastewater treatment facilities to industrial water cooling and firefighting systems. Whether it is controlling flow in large-scale water mains or regulating pressure in complex piping networks, this valve offers reliable and precise operation.

In summary, the AFC Double Eccentric Butterfly Valve with its big torque capacity, steel disc ring reinforcement, and innovative dovetail design is a versatile and dependable solution for various water-related applications. Its durable construction, excellent sealing with EPDM seats, and compliance with international certifications make it a preferred choice for engineers and operators seeking efficiency and longevity in valve performance.

Customization:

Our AFC Double Eccentric Butterfly Valve, available in model numbers FBBD and FBGD, can be fully customized to meet your specific needs. Manufactured in China and certified with ISO, UL, and FM standards, this Butterfly Valve is designed for reliable performance in water applications. With a pressure rating of PN10, PN16, and PN25, and a temperature range of -10 to 80℃, our Bare Head Butterfly Valve ensures durability and efficiency. Whether you require modifications in size, materials, or operational features, our customization services provide tailored solutions to optimize the functionality of your Double Eccentric Butterfly Valve.

Support and Services:

Our Double Eccentric Butterfly Valve is designed to provide reliable and efficient flow control in various industrial applications. For technical support, our team of experts is available to assist with installation guidance, troubleshooting, maintenance tips, and performance optimization to ensure your valve operates at peak efficiency.

We offer comprehensive services including valve inspection, repair, and refurbishment to extend the lifecycle of your double eccentric butterfly valve. Our support also includes customized solutions to meet specific application requirements and upgrade options for enhanced performance.

To maximize the valve’s durability and functionality, we recommend regular maintenance checks and adherence to the operational guidelines provided in the product manual. Our technical support team can provide detailed documentation and training sessions to help your staff handle the valve safely and effectively.

Whether you need assistance with selecting the right valve size, understanding the valve’s specifications, or integrating it into your system, our dedicated support services are here to help you achieve optimal results and minimize downtime.

Packing and Shipping:

Product Packaging and Shipping for Double Eccentric Butterfly Valve

The Double Eccentric Butterfly Valve is carefully packaged to ensure it reaches the customer in perfect condition. Each valve is first cleaned and inspected before packaging. It is then wrapped in protective materials such as plastic film or bubble wrap to prevent any damage during transit.

The wrapped valve is placed inside a sturdy wooden crate or a reinforced cardboard box, depending on the valve size and shipping requirements. The packaging is designed to protect the valve from moisture, dust, and mechanical impacts. Additionally, cushioning materials like foam or packing peanuts are used inside the packaging to absorb shocks and vibrations.

All packaging materials are labeled clearly with handling instructions, product information, and shipping details to facilitate smooth logistics and safe handling.

For shipping, the Double Eccentric Butterfly Valve can be transported via sea freight, air freight, or land transportation, depending on the destination and urgency. The packaging complies with international shipping standards to ensure safe delivery worldwide.

We also offer custom packaging solutions upon request to meet specific customer or project requirements.

FAQ:

Q1: What brand manufactures the Double Eccentric Butterfly Valve?

A1: The Double Eccentric Butterfly Valve is manufactured by the brand AFC.

Q2: What are the model numbers available for this Double Eccentric Butterfly Valve?

A2: The available model numbers for this valve are FBBD and FBGD.

Q3: Where is the Double Eccentric Butterfly Valve produced?

A3: This valve is produced in China.

Q4: What is the main advantage of a Double Eccentric Butterfly Valve compared to a single eccentric valve?

A4: The Double Eccentric design reduces seat friction and wear, offering better sealing performance and longer service life compared to single eccentric valves.

Q5: What applications are suitable for the AFC Double Eccentric Butterfly Valve?

A5: The valve is suitable for various applications including water treatment, chemical processing, HVAC systems, and other industrial fluid control systems.