what is the usage of QDV & VOLUME BOOSTER.
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Volume booster is using where we need quick opning of valve or where big dom which need more air volume for operating valve in time
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Answer / kmns kiran
Volume booster is for quick opening/Closing of shut of valves,
Quick Drain (vent) valves (QDV) for quick Closing of shut of valves.
Generally QDV'S are used for drain valve applications (air to close applications)
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