Butterfly valves are widely used in applications involving media with suspended solids, and they can also handle powdered or granular materials depending on the seal's strength. Their design allows for efficient operation in various industrial environments. These valves feature a compact structure, short overall length, and quick opening/closing action. When fully open, they offer minimal fluid resistance, and they provide precise flow control when partially opened—typically between 15° and 70°. This makes them ideal for large-diameter valve production due to their simple and effective structural principle.
Butterfly valves are recommended in several situations: when throttling or flow regulation is required, when handling mud or solid-laden media, when space is limited and a short valve structure is needed, when fast actuation is necessary, or when operating under low-pressure conditions. They are also suitable for two-position control, narrow channels, low-noise applications, and scenarios where cavitation or vaporization is a concern. Additionally, they can tolerate small amounts of atmospheric leakage and are well-suited for abrasive media.
Under special conditions such as throttling requirements, strict sealing needs, severe wear, or cryogenic environments, it’s essential to use specialized butterfly valves, such as tri-eccentric or double-eccentric metal-seated models. Soft-sealed butterfly valves are commonly used in ventilation and dust removal systems, as well as in industries like metallurgy, light manufacturing, power generation, and petrochemicals for bidirectional flow control and regulation.
Metal-to-metal double-eccentric butterfly valves are ideal for heating, steam, water, gas, oil, and chemical pipelines, serving both as regulating and shut-off devices. Meanwhile, triple-eccentric metal-seated butterfly valves are widely applied in petroleum, chemical, metallurgical, power, food, pharmaceutical, water supply, drainage, and gas transportation sectors, especially in critical systems like pressure swing adsorption gas separation. These valves are designed to meet high-performance and durability demands in challenging environments.
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