Control Valves
International Surface Preparation supplies a full range of control valves for most makes and models of pressure and suction abrasive blast equipment. ISP features the Schmidt Thompson, Thompson II, Combo and Micro Valve line of valve systems, industry renowned for their safety, efficiency, and dependability. We can supply all of your abrasive blasting valve needs including:
- Abrasive Metering (Grit) Valves
- Air Control Valves
- Electric and Pneumatic Deadman Controls
- Pop-Up Valves
- Ball and Check Valves
We support most makes and models of blasting equipment including:
- Schmidt
- Empire
- Zero
- Clemco
- ICM
- Kelco
- ABEC
- ModuBlast
- Blast-it-All
- Trinco
- Econoline
- Universal
Want to give an old blast pot new life? A Schmidt Valve Conversion System will convert nearly any blast system to the industries’ most dependable and efficient blast controls. Contact us today for help with all your abrasive blasting valve needs.

