The KRK expansion chambers are designed to reduce the pressure of a shock wave, which has passed through the explosion-proof protective section, to a safe level. They are used when air ducts are connected from the side.
The KRK expansion chambers are designed to reduce the pressure of a shock wave, which has passed through the explosion-proof protective section, to a safe level. They are used when air ducts are connected from the side.
Expansion Chambers KRK
The KRK expansion chambers are designed to reduce the pressure of a shock wave, which has passed through the explosion-proof protective section, to a safe level. They are used when air ducts are connected from the side. The chambers are installed in the direction of the blast wave behind explosion-proof protective sections. Installation is carried out by welding the body to plates embedded in the floor along the circumference of the base.
Technical Specifications of KRK Expansion Chambers
| Model | Overall dimensions, mm (W × H) | Nominal volume, m³ | Design load, kg/m² | Weight, kg, max |
| KRK-0.5 | 570 × 2830 | 0.5 | 0.2 | 84 |
| KRK-1A | 1100 × 2100 | 2 | 0.2 | 147 |
| KRK-1B | 1100 × 2650 | 2 | 0.72 | 148 |
Design Features

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