BT Series: The three spindle rotation creates many sets of moving seals from suction to discharge. These sets of seals form fully enclosed cavities moving axially and softly from inlet to outlet. This pumping design and construction enables a noiseless fluid handling without pressure pulsations and turbulence. Therefore they can rotate at high rotation speeds with high reliability. These self priming positive displacement pumps have three spindles, one driving and two driven or idle spindles. Those are self priming positive displacement pumps. Applications: The pump fluid must be clean, lubricating and not corrosive to ferrous metals. They are mainly applied for lub-oil pumping and fuel pumping (diesel oil or fuel oil) Viscosities from 2 to 1.500 cSt (mm 2/s) Main forbidden fluids: water, alcohols, benzol, dilute acids etc. Driving: The BT series screw pumps are coupled to flexible coupling and driven normally by electric motors. They can also be driven by petrol, diesel, pneumatic or hydraulic motors. Electrical motors in B5, B3 or V1 execution, IP55 or IP23 protection, according to IEC. Filters: The filters are necessary in order to prevent pump damage caused by fluid carrying solid impurities. Recommended filter meshings:
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