Texas Sampling's Manual Continuous system is a closed loop liquid sampler that satisfies a variety of sampling needs. This system will take accurate, representative samples of process while providing operator safety. Our patented design ensures zero dead volume throughout the sample valve assembly. Easy to install and operate, process pressure is used to dispense the sample into the sample bottle. Process Needle Purge (PNP) is very beneficial to the Manual Continuous sample system is ideal for many locations and applications.