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What do you do as a Engineering person EPC for
Sizing&Selecting Control Valve?
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Answer Posted / jigaranadkat
Prepare AVL (Approved vendor list)
You need provide basic design data which includes but not limited to Temp., Pressure, Min., Max and no0rmal operating flow. Other requirement viz., Hand-wheel requirement, Max. opening time, limit switches SOV, available air pressure @ site, Noise requirement (< 85 dB) leakage class, You need spring return actuator or double acting ? what is the service (corrosive, Slurry, Liquid, Gas ) positioner requirement , booster etc. etc. and primary calculated CV.
Perform offer / bid evaluation.
Vendor meeting if required.
Provide inspection schedule , Delivery schedule. Preform factory inspection and sometimes site installation (based on company requirement) and inspection.
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