Backpressure lifting valves flange horizontal pig-iron RU-16 diameter 15-250
Backpressure double-wing valves interflange RU10 diameters 40-600
Backpressure lifting valves flange horizontal steel RU-25 diameters 40-300
Backpressure rotary valves flange vertical pig-iron RU-10,16 diameters 40-600
The backpressure valve - is arranged in such a way that passes water only in one direction,
thus, it interferes with the return effluence of water from a pipe at switching off of the engine.
The backpressure valve is manufactured of the plastic steady against hostile environment.