THREADED MANNESMANN STEEL PIPES FOR SUBMERGED MOTOR-DRIVEN PUMPS
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Thickness 4-5 mm., they are made in lenghts of 3 ÷ 3,50m. with turned flanges (in order to keep encumbrance to a minimum) of n. 1 semicircular notch for the passage of the cable with double welding, inner and outside the tube, with bolts and gasket.
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