Double Eccentric Butterfly Valve with Gear Operation, Stainless Steel Disc, and EPDM Seat for Industrial Water Control

Product Description:

The Double Eccentric Butterfly Valve is a robust and reliable valve solution designed to meet the demanding requirements of water applications. Engineered with precision and manufactured in compliance with BS or ANSI Standard specifications, this valve ensures exceptional performance, durability, and safety in various industrial and municipal water systems. The valve’s design adheres strictly to internationally recognized BS or ANSI Standard guidelines, guaranteeing compatibility, quality, and ease of integration with existing infrastructure.

At the heart of the Double Eccentric Butterfly Valve is its unique double eccentric design, which offers significant advantages over traditional concentric butterfly valves. The valve disc is offset in two directions: from the centerline of the valve and from the centerline of the pipe bore. This dual offset reduces friction during operation, minimizes wear on the sealing surfaces, and provides a tight, bubble-tight shutoff. This design improvement results in longer valve life, reduced maintenance requirements, and enhanced operational efficiency.

Constructed with a high-quality steel disc ring, the valve offers excellent resistance to corrosion and mechanical stresses commonly encountered in water applications. The steel disc ring not only reinforces the structural integrity of the valve but also ensures a stable and secure sealing interface with the valve seat. This combination is essential for maintaining reliable shutoff performance even under fluctuating pressure and temperature conditions.

The Double Eccentric Butterfly Valve is rated to handle pressure classes PN10, PN16, and PN25, making it suitable for a wide range of water system pressures. Whether the application involves low-pressure distribution lines or higher-pressure processes, this valve provides dependable control and isolation capabilities. Its pressure rating flexibility also allows it to be used across various stages of water treatment and distribution networks.

Designed to operate efficiently within a temperature range of -10 to 80 degrees Celsius, this valve is well-suited for typical water service environments. The temperature range covers both cold and slightly warm water systems, ensuring that the valve materials and seals maintain their integrity and performance without degradation. This characteristic makes the Double Eccentric Butterfly Valve an excellent choice for municipal water supplies, irrigation systems, and industrial water processes.

Installation and operation of the Double Eccentric Butterfly Valve are straightforward due to its standardized dimensions and mounting configurations in accordance with BS or ANSI Standard requirements. This standardization simplifies the procurement process and ensures that the valve can be easily integrated with existing piping and control systems. Additionally, the valve’s design allows for quick and simple maintenance procedures, reducing downtime and operational costs.

In water applications, the importance of reliable valve performance cannot be overstated. The Double Eccentric Butterfly Valve provides a dependable solution for flow regulation, isolation, and control. Its precise sealing capabilities prevent leakage, contributing to system efficiency and environmental protection. Furthermore, its robust construction and adherence to BS or ANSI Standard specifications ensure that it meets the stringent demands of modern water infrastructure projects.

In summary, the Double Eccentric Butterfly Valve is a high-quality valve solution designed specifically for water applications. Featuring compliance with BS or ANSI Standard, a durable steel disc ring, and a double eccentric design, this valve offers superior performance across a temperature range of -10 to 80 degrees Celsius and pressure ratings of PN10, PN16, and PN25. Its reliable sealing, ease of installation, and maintenance make it an ideal choice for engineers and operators seeking a long-lasting and efficient valve for water systems.

Features:

• Product Name: Double Eccentric Butterfly Valve
• Certified with ISO, UL, and FM for quality assurance
• Flange connection for easy installation and secure fitting
• Disc made of high-quality stainless steel for durability and corrosion resistance
• Seat constructed from EPDM to ensure tight sealing and chemical resistance
• Body manufactured from ductile iron for strength and reliability
• Valve worm gear available for smooth and precise operation
• Dovetail design enhances the valve's sealing performance and structural integrity
• Big torque capability allows efficient handling of high-pressure applications

Technical Parameters:

Applications:

The AFC Double Eccentric Butterfly Valve, available in models FBBD and FBGD, is a high-performance valve designed for a wide range of industrial applications. Manufactured in China and certified by ISO, UL, and FM, this valve ensures reliable and durable operation under various working conditions. Its robust construction features a stainless steel disc and EPDM seat material, providing excellent corrosion resistance and sealing capabilities within a pressure range of 0-2.5MPa.

One of the key features of this valve is the double eccentric design, which significantly reduces wear on the sealing components and ensures smooth operation with minimal torque. This makes the AFC Double Eccentric Butterfly Valve ideal for applications requiring frequent valve cycling and precise flow control. The bare head design enhances the valve’s adaptability and ease of maintenance, allowing for quick servicing and replacement of parts without extensive downtime.

The steel disc ring incorporated in the valve’s disc structure adds extra strength and durability, making it suitable for handling abrasive or challenging media. This feature is particularly valuable in industries where valve longevity and performance are critical, such as water treatment, chemical processing, HVAC systems, and power generation. The flange connection type facilitates straightforward installation and integration into existing piping systems, ensuring a secure and leak-proof fit.

Typical application scenarios for the AFC Double Eccentric Butterfly Valve include water distribution networks, wastewater treatment plants, chemical manufacturing facilities, and fire protection systems. Its ability to withstand pressures up to 2.5MPa and its reliable sealing performance make it a preferred choice for regulating flow and isolating sections of pipelines. Additionally, the valve performs effectively in HVAC systems, where precise control of air and water flow is essential for energy efficiency and system stability.

In summary, the AFC Double Eccentric Butterfly Valve with models FBBD and FBGD represents a versatile and dependable solution for industrial valve needs. Its combination of double eccentric technology, bare head design, and steel disc ring construction ensures longevity, efficiency, and ease of maintenance across a broad spectrum of applications.

Customization:

The AFC Double Eccentric Butterfly Valve, available in model numbers FBBD and FBGD, is expertly designed and manufactured in China to meet diverse industrial needs. Crafted with a robust ductile iron body, this butterfly valve ensures durability and reliable performance across a temperature range of -10 to 80℃.

Our product customization services allow you to select from various pressure ratings including PN10, PN16, and PN25, ensuring compatibility with your system requirements. The valve operation can be tailored to your preference with options for manual, gear, or electric actuation, providing flexibility and ease of use.

Complying with the Drinking Water Standard, the AFC Double Eccentric Butterfly Valve guarantees safety and hygiene in potable water applications. Engineered to deliver big torque, this valve offers efficient flow control and tight shutoff, meeting the stringent standards of BS and ANSI.

Choose AFC for a high-quality, customizable butterfly valve solution that combines superior materials, versatile operation, and compliance with international standards to suit your specific application needs.

Support and Services:

Our Double Eccentric Butterfly Valve product is backed by comprehensive technical support and services to ensure optimal performance and longevity. Our expert team provides detailed installation guidance, routine maintenance recommendations, and troubleshooting assistance to address any operational challenges. We offer tailored training sessions for your staff to maximize the valve’s efficiency and safety. Additionally, spare parts and upgrade options are readily available to keep your system running smoothly. Our commitment is to deliver reliable, responsive support throughout the lifecycle of your butterfly valve, helping you achieve seamless process control and minimal downtime.

Packing and Shipping:

Our Double Eccentric Butterfly Valve is carefully packaged to ensure it arrives in perfect condition. Each valve is first wrapped in protective material to prevent scratches and damage during transit. It is then securely placed in a custom-fitted wooden crate or heavy-duty cardboard box, designed to withstand handling and shipping stresses.

To further protect the valve, cushioning materials such as foam inserts or bubble wrap are used inside the packaging to minimize movement and absorb shocks. All packaging materials are selected to be moisture-resistant and durable for long-distance shipping.

For shipping, we coordinate with reliable logistics partners to provide timely and safe delivery worldwide. Each shipment is labeled clearly with handling instructions, including “Fragile” and “This Side Up” markings, to ensure proper care during transportation.

Additionally, we provide documentation including a packing list, certificate of origin, and any required compliance certificates inside the package for customer convenience and customs clearance.

Our comprehensive packaging and shipping process guarantees that your Double Eccentric Butterfly Valve reaches you safely, ready for immediate installation and operation.

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 valve?

A2: The available model numbers for the Double Eccentric Butterfly Valve are FBBD and FBGD.

Q3: Where is the Double Eccentric Butterfly Valve produced?

A3: This valve is produced in China.

Q4: What are the key features of the Double Eccentric Butterfly Valve?

A4: The Double Eccentric Butterfly Valve offers a tight seal, reduced wear and tear due to its double offset design, and is suitable for various industrial applications.

Q5: What types of media can the Double Eccentric Butterfly Valve handle?

A5: The valve is suitable for handling water, air, gas, and various industrial fluids, depending on the specific model and material configuration.