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Problems with exhaust fan and supply fan air valves

By.Johns 2024-08-12 01:32:17 Share on facebook Share on Google Share on Instagram Share on Pinterest Share on Twitter Share on Tumblr Share on WhatsApp Share on Telegram Share on Reddit Visit our Instagram

Introduction Problems with exhaust fan and supply fan air valves. Air valves have check valves, which are divided into gravity type and electric type. Generally, the exhaust fan is gravitational type and the fan is electric type. If there are safety requirements, a fi

Problems with exhaust fan and supply fan air valves

The air valve has a check valve, which is divided into gravity type and electric type. Generally, the exhaust fan is gravitational type and the fan is electric type. If there are safety requirements, a fire damper or fire smoke exhaust damper will be installed. The difference between the two is that the smoke extraction fire damper is normally closed, only opens in the event of a fire and closes when the temperature reaches 280 degrees. The fire damper is normally opened and closed when the temperature reaches 70 degrees.

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