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Single-layer counterweight flap valve, gravity automatic opening & closing, air lock sealing. Suitable for dust silos to convey dust and granular materials, specifications customizable.
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Manual sprocket slide gate valve with labor‑saving sprocket transmission. For silo dust‑removal, it controls powder and granular material flow with reliable sealing, and custom sizes are available.
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The ventilation butterfly valve is a non-sealing type butterfly valve, which is applied in ventilation and environmental protection projects in industries such as chemical engineering, building materials, power stations, and glass manufacturing.
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Pneumatic balancing valve for air volume balancing in ventilation & dust removal pipelines. Stable sealing, applicable to flues and air ducts, custom sizes supported.
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