Putu izplešanās sprausla

FOREDE® putu paplašināšanas sprausla, kas pazīstama arī kā vidējas izplešanās putu sprausla (MEF sprausla), ir specializēta ugunsdzēsības ierīce, kas paredzēta, lai radītu ugunsgrēku nomācošām putām, mehāniski aspirējot gaisu putu šķīduma straumē (ūdens un putu koncentrāta fokāta, kas ir 20. un 200, un 200: 1}. every 1 unit volume of foam solution entering the nozzle, it outputs between 20 and 200 unit volumes of finished foam. Physically, MEF nozzles often resemble modified fog nozzles but incorporate critical design features like an aspirating chamber (sometimes a cage-like structure at the tip) or specific internal baffling. As the pressurized foam solution passes through this chamber, it creates a venturi effect or turbulence that draws in and intimately mixes large quantities of ambient air. This process forms bubbles, creating the characteristic medium expansion foam. This foam is less fluid than low-expansion foam but significantly more so than the stiff, dry blocks of high-expansion foam, striking a unique balance crucial for its tactical lietojumprogrammas .