The next-generation valve in the Thompson Valve line. Shuts off abrasive flow to the nozzle and seals the tank at the same instant. Ideal for multiple outlet use. Offers significant improvements over the original Thompson Valve designed to improve performance, make servicing easier and extend service life. Faster response, finer control. More sleeve choices available to accommodate a wider range of abrasives and applications. The abrasive airblast industry's choice for abrasive metering and control.