Back Pressure Flap B-FLAP I
Back Pressure Flap B-FLAP I
B-Flap I is a mechanical device designed to prevent propagation of flame and pressure between pieces of technology equipment during dust explosion.
Main applications: connection pipes of filters, silos, reservois, mills, mixers, cyclons, spray dryers and other devices with danger of dust explosions.
DIAGRAM OF THE B-FLAP I INSTALLATION ON A PIPE:
![b flap 2 1 800x371 ENG](assets/Uploads/_resampled/ResizedImage500231-b-flap-2-1-800x371-ENG.jpg)
B-Flap I Installation
1. Filter
2. Fan
3. Rotary valve
4. Back pressure flap B-FLAP I
5. Explosion venting device
![7 B FLAP I 2 obr](assets/_resampled/ResizedImage400187-7-B-FLAP-I-2-obr.png)
B-Flap I
Advantages:
1. Wide variety of sizes from DN100 to DN800;
2. Mechanical device that does not need electricity or activation system;
3. Simple installation, inspections and maintenance;
4. Low maintenance cost;
5. Mechanical shut-down when the flap closes;
6. Suitable for technologies working with light metal dust;
7. Low pressure losses;
8. High pressure resistance.
![smer proudeni b flap EN 800x207](assets/Uploads/_resampled/ResizedImage600155-smer-proudeni-b-flap-EN-800x207.jpg)
Back Pressure Flap B-FLAP I