TOP MULTI-TECH
Multistage vertical submersible drainage centrifugal pumps with automatic Start / Stop operation responsive to open / close the collection point in the distribution system. Pumps are equipped with a special patented non-return valve. The pump shaft seal is secured from the side by a simple STA-12R SIC mechanical seal and by the STA-13R mechanical seal by the electric motor. Both mechanical seals are lubricated and cooled by a permanent oil filling. The closed submerged electric motor is located at the top of the pump and is cooled by a pumped liquid. The impellers on the shaft are rotated inside the beam diffuser, which directs the fluid from one impeller to the suction opening next. The liquid thus passes through the series of impellers into the discharge opening. Each impeller, diffuser, and cell body form a single step that increases the pressure of the liquid by the same value.
A hose fitting can be mounted on the discharge spout with the TOP MULTI-TECH backflow flap.
The suction is located on the lower edge of the pump, covered with fine ribbing and a stainless steel sieve with a throughput of mechanical impurities up to ø 1,3 mm.
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