Portable fire pump with chain saw "Družba-4" engine drive
Made in the USSR in 1980, the pump design is technological, rational, simple, concise, light, compact, easy to transport, without a separate supporting frame.
Pump 150 l/min. due to the relatively low labor productivity of the 20th century In the 1980s, it was mainly used for extinguishing and controlling forest fires, for pumping water into tanks, etc. Until the 20th century. In the 80s, the pump had no analogues in the world, only later, simple and cheap equipment of a similar design began to be produced in Japan, Germany and other countries.
The pump has no unnecessary parts - even the carburettor throttle lever has no lock - the lever is locked with an extra ring or drill. The pump has no tappets, no pressure gauge to check the working pressure and no vacuum device to absorb water.