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36 years of international experience

Supply to international customer base.

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ZH check valve
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ZH 止回阀

purpose

·Air duct check valves are installed in ventilation or air conditioning ducts. When the fan is running, the valve opens to allow airflow to pass smoothly. When the fan stops running, the valve closes to prevent airflow reversal.

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purpose

·Air duct check valves are installed in ventilation or air conditioning ducts. When the fan is running, the valve opens to allow airflow to pass smoothly. When the fan stops running, the valve closes to prevent airflow reversal.

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Product Category: Fire and Smoke Exhaust Valve Series

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