Blast Rooms - ABS Blast

Ventilating a blast room can be done by three different methods of air-flow design. The three air-flow designs are “down-draft”, “end-to-center” and “cross-draft” ventilation.

The various room air speeds are determined by the abrasive that will be used in the blast room and the method the room is to be ventilated. The chart below is provided by ANSI and outlined in ANSI Z9.4-1985 – “Abrasive Blasting Operations – Ventilation and Safe Practices”.