Answer / 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.

Senior engineer's please help me, what is Loop Checking and Loop test? and write difference also? soon urgent

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