7　Layout of Sampling Piping

7.1　General Requirements

7.1.1　Sampling connection points shall be arranged to take representative sample from process，and shall not be located in the dead end of piping.

7.1.2　Sampling valves shall be arranged at the location accessible for operation，and the sampling piping from equipment or piping to sampling valves shall be routed for the shortest practical run.

7.1.3　Space shall be provided from sample outlet end to the funnel，the ground or platforms for placing the sample container.