Star-Z 20/7-3
رقم القطعة: wilo-4081203
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الوصف
Design Glandless circulator with threaded connection Application Domestic hot water circulation systems in building services and industry. Equipment/function Operating modes - Speed stage switching (Star‐Z...-3 only) Manual functions - Setting of the speed stages (1 speed stage, 3 speed stages with Star-Z...-3 pumps) Equipment - Wrench attachment point on the pump body (Star‐Z 25 only) - Cable inlet possible from both sides - quick connection with spring clips - Blocking-current proof motor Technical data - Constant speed or, for Star-Z...-3, three selectable speed stages - Fluid temperature: - Drinking water up to 3.21 mmol/l (18 °dH): max. +65 °C, in short-time duty (2 h) up to +70 °C - Mains connection 1~230 V, 50 Hz - IP rating IP44 - Nominal diameter G1, G1¼, G1½ - Max. operating pressure 10 bar Materials - Pump housing: Bronze - Impeller: Plastic - Shaft: Oxide ceramic - Bearing: Carbon, synthetic resin impregnated Scope of delivery - Pump - Gaskets for threaded connection - Installation and operating instructions
