In case of ETP plant, generally there will be a some amount of grit and solid bits. But these will settle down in the tanks and actually when it comes to slop oil transfer, it is fairly free of grit and solids. In such a situation, GEAR pumps are will have better operation and and suitable...
In control valve selection is predominently depent on the type of control required. i.e. linear control or non linear control. Then comes the required isolations and operating parameters. Based on these type of control valve will be selected.
If you are looking for the fine control with great...
It depends on the type of the luquid being stroed in the tank. You can get general idea on fire wall / barriers in NFPA standards. If you are looking for the hydrocarbon storage tanks then refer to API codes.
POwer and Water Engg