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The FLEX flameless explosion venting device is a suitable solution for installation on technological equipment inside buildings or in production halls. Unlike conventional explosion venting, where temperatures up to 1 500 °C can be achieved, the FLEX device can cool the flame and flue gas temperatures to a level that is no longer dangerous for technology and the people around the equipment. FLEX meets the strictest requirements of the legislation for flameless venting and is certified according to EN 16009.
The risk of explosion of combustible dust, including melt or metal dust, exists in places where such dust is handled in any way. The use of conventional explosion venting indoors or in cases where the protected technology is close to each other outside may be undesirable due to the danger to workers, their health and life, and the surrounding production technology.
Explosion venting and prevention of fire propagation into free space are two basic functions of the device.
The explosion venting device opens due to fast increasing pressure and the FLEX absorbs flame, burning dust, and gases. As opposed to an explosion venting the FLEX device is capable to absorb these undesirable effects thanks to its construction.
The explosion venting can achieve temperatures up to 1 500 °C, with light metals such as aluminum and magnesium the temperature being around 3 000 °C. During explosion venting with the FLEX flameless equipment, the temperature is lowered to a safe level that is not dangerous for surrounding equipment and for work and movement of personnel.
Malthouses are an integral part of the food industry. This following case study will show you all risk areas, including the selection of the most suitable explosion protection designed by RSBP.
| Type | A (mm) |
B (mm) |
C (mm) |
D (mm) |
d - diameter of screw holes (mm) | n - number of screw holes (pcs) | Weight (kg) | VMP type |
| Flex F1 PRO | 225 | 675 | 265 | 465 | 14 | 20 | 24 | 150 x 600 |
| Flex F2 PRO | 305 | 625 | 335 | 530 | 14 | 18 | 28 | 220 x 540 |
| Flex F3 PRO | 390 | 710 | 420 | 620 | 14 | 18 | 35 | 630 x 310 |
| Type | A (mm) |
B (mm) |
C (mm) |
D (mm) |
d - diameter of screw holes (mm) | n - number of screw holes (pcs) | Weight (kg) | VMP type |
| Flex R1 PRO | 390 | 710 | 635 | 410 | 14 | 18 | 40 | 630 x 310 |
| Flex R2 PRO | 540 | 890 | 900 | 580 | 14 | 22 | 74 | 450 x 800 |
| Flex R3 PRO | 666 | 1000 | 1130 | 735 | 14 | 34 | 109 | 586 x 920 |
| Flex R4 PRO | 996 | 1198 | 1660 | 1070 | 14 | 42 | 215 | 915 x 1118 |
| Type | A (mm) |
B (mm) |
C (mm) |
D (mm) |
E (mm) |
F (mm) |
G (mm) |
d - diameter of screw holes (mm) | n - number of screw holes (pcs) | Weight (kg) | VMP type |
| Flex C1 PRO | 315 | 580 | 485 | 320 | 350 | 5 | 375 | 11 | 12 | 30 | DN 300 |
| Flex C1 PRO S | 315 | 879 | 633 | 320 | 350 | 5 | 375 | 11 | 12 | 80 | DN 300 |
| Flex C2 PRO S | 445 | 1075 | 633 | 450 | 486 | 5 | 525 | 13 | 12 | 87 | DN 450 |
| Flex C3 PRO S | 505 | 1286 | 705 | 510 | 550 | 6 | 585 | 13 | 20 | 126 | DN 510 |
| Flex C4 PRO S | 625 | 1385 | 1020 | 630 | 680 | 6 | 705 | 13 | 20 | 243 | DN 630 |
| Flex C5 PRO | 815 | 2215 | 1020 | 820 | 860 | 6 | 895 | 13 | 24 | 291 | DN 800 |
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