The KSB Group has actually introduced a brand-new submersible borehole pump series. Called UPA S 250, this pump series is developed for usage in basic supply of water, farming, mine dewatering and ground water management along with for basic pressure improving jobs, for instance.
Thanks to their optimised hydraulic style, pumps of this type accomplish extremely high levels of effectiveness, sys the group. “The wear-resistant style with metal casing wear rings and silicon carbide bearings keeps energy intake to a minimum for several years, even when it comes to high sand contents in the fluid managed,” states a statement from the company.
UPA S 250 will at first be readily available in 3 various hydraulic system sizes.
It covers circulation rates in between 60 and 400 cubic metres per hour. The optimal head is 360 metres. All cast parts are made from state-of-the-art stainless-steel 1.4408 or, additionally, 1.4517.
On demand, the brand-new pumps can likewise be integrated with the high-efficiency electrical motors of the UMA-S series. These drives are simultaneous motors with long-term magnets. Their output per size plainly goes beyond that of traditional asynchronous motors.
If comparing motors of the exact same size, simultaneous devices have a greater output and lower heat advancement. With effectiveness being much greater, the repayment durations are much shorter than those of asynchronous devices. The motors are run on a frequency inverter. Demand-driven operation is made sure by circulation rate change, leading to extra possible cost savings. Likewise, depending upon the system type the frequency of starts and the associated load on the pump winding can be lowered, which reduces wear and extends the pump’s life span.
For operation without a frequency inverter, KSB cuts the impeller sizes of UPA S 250 specifically to the needed task point. This is how particular curves are separately gotten used to the need and extreme power intake is avoided for fixed-speed operating modes. The pump is accredited for drinking water applications to air conditioning (French drinking water accreditation) and satisfies the requirements of the German Environment Firm.