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[karthik1488]

It'll be really helpful if someone can clarify the below points:

a) Why do we use a volume booster ?

b.) What difference does it make between using volume boosted air for stroking the actuator and increasing the Instrument Air supply pressure or are they both the same?

c) Instrument specs of volume boosters read Input/Output pressure ratio as 1:1. What does this mean?

Thanks and Regards,
Karthik