The Thompson Valve is globaly recognsied to be a superior abrasive metering valve to anything else available on the market. Giving accurate abrasive metering while giving the blasting operator an instant start/stop response.
The Thompson II Valve is a fail-safe valve, giving optimum operator safety. On shut off, it cuts the abrasive flow to the nozzle and seals the tank at the same instant. Building on the original, market leading Thompson Valve the Thompson II Valve™ offers an even higher level of performance, enhanced serviceability and longer life.
This is the metering valve of choice for abrasive blasting specialists. The Thompson Valve is adjusted via the knob ontop of the valve. The Typical setting for blasting with Garnet is 4 turns of the knob.