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China Factory Suppliers Lug Butterfly Valve Stainless Steel PTFE DN50-DN600 for Corrosive Fluid Transfer

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Introducing our high-grade stainless steel lug type butterfly valve, engineered to provide outstanding anti-corrosion performance and structural integrity. This premium valve is designed for demanding environments, making it an ideal choice for China’s pharmaceutical systems, corrosive fluid transfer, and petrochemical industries. Featuring a durable PTFE seat, it ensures airtight sealing while offering excellent chemical resistance and thermal stability, capable of withstanding temperatures from -25°C to 200°C. The innovative lug design allows for standalone mounting without the need for pipeline flanges, ensuring versatile installation options. With low flow resistance, this valve optimizes fluid efficiency in any application. Trusted by suppliers and factories worldwide, our product adheres to ANSI/ASME B16.34 standards, guaranteeing quality and reliability in every operation.

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    Product Specification

    Product Name Butterfly Valve Body/Disc Material Stainless Steel
    Type Lug Shaft SS304/SS316
    Size DN50-DN600 Seal PTFE
    Operation Handle/Worm gear/Electric/Hydraulic/Peneumatic Standard DIN/ANSI/GOST/JIS/BS

    Product Description

    Butterfly valves are extensively employed across numerous industrial scenarios, thanks to their unique characteristics and wide-ranging adaptability. These fluid control devices are available in various configurations—including wafer-style, lug-type, and three-offset designs—each crafted to fulfill distinct operational demands.
    The wafer-style butterfly valve is favored for its slim structure, facilitating straightforward installation between pipeline flanges in spaces where room is at a premium. In contrast, the lug-type variant comes with threaded fasteners, enabling hassle-free fitting and removal without disrupting the entire piping system. For high-performance scenarios, the three-offset butterfly valve stands out, providing superior sealing performance and requiring minimal torque to operate.
    A large number of butterfly valves can be outfitted with pneumatic or electric actuators, enabling remote or automated control. This feature proves invaluable in large-scale industrial facilities that demand precise regulation of fluid flow. The cost of butterfly valves fluctuates based on several factors, such as their size, design type, and the quality of materials utilized. For instance, the price point of a 4-inch model may differ significantly from that of a 6-inch counterpart.
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    To sum up, butterfly valves play a vital role in managing fluid flow within the valve industry, offering efficient and dependable solutions that cater to a broad spectrum of application requirements.
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    Frequently Asked Questions

    What are the main differences between wafer-style and lug-type butterfly valves?
    The wafer-style butterfly valve features a slim structure designed for straightforward installation between pipeline flanges in tight spaces. The lug-type variant is built with threaded fasteners, which allows for convenient installation and removal without disrupting the rest of the piping system.
    When should a three-offset butterfly valve be used?
    A three-offset butterfly valve is ideal for high-performance industrial scenarios. It is engineered to provide superior sealing performance while requiring minimal torque to operate.
    Can these butterfly valves be automated for remote control?
    Yes, a large number of these butterfly valves can be outfitted with pneumatic or electric actuators. This setup enables remote or automated control, making them highly suitable for large-scale industrial facilities that require precise fluid flow regulation.
    What materials are used for the body and seal of the butterfly valve?
    According to the specifications, the body and disc are made of Stainless Steel (with shafts in SS304/SS316), and the seal is constructed from high-quality PTFE to ensure reliable sealing and durability.
    What international standards do these butterfly valves comply with?
    These butterfly valves are designed and manufactured to meet major international standards, including DIN, ANSI, GOST, JIS, and BS.