Munk Schmitz - Strahlanlagen & Strahltechnik

Problast 40 SV
(36 cfm injector nozzle, vacuum pump)

Machine type
Mobile injection-fed air blasting machine with blast gun (closed-circuit blasting machine)

Rust removal, descaling, paint stripping, weld and mould cleaning, roughening and etching of rollers


  • Blast gun for simultaneous blasting and recovery of blast media and dust
  • Storage hopper for reclaimed blast media
  • Reclaimer (air cyclone) for separation of re-usable blast media from the recovery air flow
  • Dust collector with dust bin for dust cleaning of recovery air flow
  • Vacuum generator for generation of recovery air flow
  • Maintenance unit for control of blasting pressure

Blasting method: injection-fed
Vacuum generation: vacuum pump
Blast cycle duration (max.): continuous

Air consumption (at 6.3 bar): 1 m³/min
Energy consumption: 3 kW
Coating: RAL 5015

Dimensions (L/W/H): 1,340/450/1,300 mm
Empty weight: 180 kg
Hose length: 3 m

Blast gun: Ø 61 mm
Blast nozzle (boron carbide): Ø 9.5 mm (36 cfm)
Effective blast track width: 18 to 20 mm

Blast media grit size recommended:

  • metallic 0.2 to 0.8 mm
  • non-metallic 0.1 to 1.0 mm

Blast media throughput at 6 bar:

  • metallic 1.9 kg/min
  • non-metallic 1.5 kg/min

Blast media storage capacity with 30 l vessel:

  • metallic 100 kg
  • non-metallic 50 kg

Filter area: 5.5 m²
Dust separation efficiency: > 99.9 %