Features & Benefits
Process Needle Purge
Wafer Sample System

Texas Sampling's Wafer sample system is an inline valve that mounts directly into pipeline. This system will take emission free, representative samples of process while providing operator safety. Our valve 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.

Features Benefits
Replaceable process needle .065" to .203" Easy to remove with minimal cost.
Allows versatility when considering pressure, viscosity and size of sample.
.109, .148, .203 process needle with teflon coating Reduces friction when puncturing septa.
Replaceable pencil point vent needle Prevents vapor vent from plugging.
Prevents over pressuring of sample bottle.
Easy to remove with minimal cost.
Shroud assembly with viewing windows Allows operator to see process filling bottle while taking a sample.
Protects sample bottle.
Connection is the same for all sizes from 1 oz. to 1 gal. - allowing versatility at minimal cost should the customer need to change bottle size.
Sleeve Allows customer choice of sample bottle size.
Guides sample bottle so needle will insert in septa.
Operation and identification tags provided on front of panel Step by step operating procedures.
Operator can verify at all times what mode system is in.
Installation/Operation Manual Provides vital information for installation, operation and maintenance.
  • Isolation Valve
    Provides additional safety to the operator.

  • Emission Filter
    Absorbs vented vapors from sample bottle.

  • Vent Check Valve
    Available on systems which are not venting to the atmosphere.

  • Insulated Enclosure
    Maintains constant temperature using steam or electric heat.

  • Non-Insulated Enclosure
    Available for protection from the weather or environment.

  • Pipe Stand
    Available from Texas Sampling to provide convenient system installation.

Process Needle Purge (PNP) is very beneficial to Manual Continuous sample systems.

Patent Number: 5,431,067
  • Provides a representative sample.

  • Removes residual process from valve and needle assemblies to eliminate plugging.

  • Rotameter verifies purge flow for safe operation.

  • Purges sample container.

  • Eliminating corrosion and plugging reduces maintenance cost.
For More Information please contact Texas Sampling or your representative.