nk 100 200 210 ay1f2besbaqexw3 96890393 The surface of the pump 95730904 The surface of the pump is smooth to prevent dirt and impurities from sticking The diaphragm is coupled mechanically via a precise gear eccenter tapet system to a high efficiency AC motor The unbalanced rubber bellows seal is according to DIN EN 12756 bearing bracket and impeller without disturbing the pump housing or pipework
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