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PUMP Working principle of centrifugal pump:The shape of the impeller transmits a radial motion to the fluid from the center outwards,with minimum hydraulic loss.The blades inside the impeller channel transfer energy to the fluid both in the form of pressure and an increase in speed.After leaving the impeller the fluid passes to the volute and tapered diffuser which transform part of the kinetic energy into pressure energy. With a single centrifugal impeller cantilevered on the motor shaft directly,thr CPM series pumps have a compact size, extremely reliable,very simple to use and almost maintenance-free,particularly suitable for civil and industrial uses to pumps clean water and chemically non-aggressive liquid. There pumps should be installed in a covrered area, protected against the weather. MATERLAL AND WORKING LIMITS Pump body:Castiron Impeller:Brass Motor Housing:Aluminum Mevhanical seal:Stainless strrl(graphitr to ceramic) Shaft:45#steel or stainless iron Bearing:SKF/NTN/NSK/China Insulation:B and F peotection class:Ip44 and Ip54model power Q.max H.max Suctmax speed Pump dia HP KW L/min M M rpm Inlet/outlet CPM-130 0.6 0.45 90 22 9 2850 1*1 CPM-146 0.8 0.60 100 28 9 2850 1*1 CPM-158 1.0 0.75 130 32 9 2850 1*1 CPM-180 1.6 1.20 150 35 9 2850 1*1 CPM-190 2.0 1.5 170 40 9 2850 1*1