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Valve and piping expansion joints absorb thermal expansion and contraction; they feature reinforced, secure packaging and support fast global shipping#Expansion joint
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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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This valve is extensively applied to pipelines in thermal power stations, urban heating pipe networks, petrochemical industries, metallurgical smelting facilities, municipal water supply and drainage projects, HVAC systems and oil & gas transmission pipelines, functioning as a special shut-off valve to connect and cut off fluid media.
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