PC4 foam generator

I. Introduction PC series of low-expansion foam generator is the main device to eject low expansion foam fire extinguishing systems on liquid. Low expansion foam generator is a mixture of air mixed with the intake of the mixing ratio generating means to generate air bubbles through the nozzle shroud or foam spray foam to burn surface, forming a foam layer, using foam interdiction, cooling and to achieve the purpose of extinguishing a stifling effect. Form of the structure can be divided into horizontal and vertical. Second, the technical parameters Model parameters Working pressure range (MPa) Rated mixture flow (L / S) expansion ratio (times) flow coefficient (K) PC4 0.3-0.6 4 ≥6 107 PC8 8 215 PC16 16 429 PC24 24 644 three the relationship between flow and pressure according to the following formula to determine the generator inlet pressure range of the mixture under the specific use of inlet pressure in 0.3-0.6MPa, at different inlet pressure mixture flow is different, it is calculated according to the following formula Flow: namely Q = K / 10P