[arakeri]

Sir,
1) The commodity is HYDROCARBON

2) Operating pressure & temperature is 13 barg & 230 C respectively

3) Sequence is Gate valve-tapping to OWS-Spectacle blind-Gate valve

4) Drain line comes from low point of exchanger tube outlet line

5) The Closed drain header goes to Hydrocarbon drain Sump drum.

I hope you have got the required information.