Direct coupled centrifugal pumps engine - pump and general wholesale, NM series: single impeller, NMD series: 2 < span id="sinonim-4" class="word-sin-full">back placed workers wheels (with balanced axial reinforcement ). Bells: threaded UNI-ISO 228/1. NM, NMD: Version with pump body and share cast iron.B-NM, B-NMD: Version with pump body and connection share of bronze. Pumping liquids not at all containing abrasive impurities and not at all brutal for which were used, from < /span>what done pump (table of contents hard particles maximum 0.2%) Water supply. Implementation in heat supply, air conditioning, cool down and circulate. Inject in home Introduction in fire fighting installations. Irrigation