Malmberg - Model Class 5 - Backflow Protection System Datasheet

Malmberg Water AB, SE-296 85 Åhus, Sweden. Phone: +46 44-780 18 00. Fax: +46 44 780 19 90. www.malmberg.se Malmberg?Backflow?protection??Unrestricted?AirGap?Technical?water?system?grade?5 Malmberg?Backflow?protection?is?a?complete?unit?that?has?good?performance?and?reliable?management.?Since?the?device?is?circular?and?has?minimal?protruding?parts?it?is?easily?placed?in?small?pumping?stations?and?treatment?plants?and?can?advantageously?also?be?placed?in?corners.?The?product?provides?a?concentrated?stream?and?is?therefore?of?high?purification?efficiency.??Water?supply?is?connected?to?the?mounted?solenoid?valve.?The?water?level?in?the?reservoir?is?controlled?by?a?solenoid?valve?which?in?turn?is?controlled?by?the?level?control?relay.??In?the?event?of?return?flow?the?media?will?brim?by?the?non-circular?spillway.??The?safety?distance?is?>?2?times?the?connected?diameter.?The?pump?is?controlled?by?a?combined?pressure-?and?flow?switch?which?also?has?built-in?dry?running?protection.?As?an?extra?safety?against?dry?running?a?level?indicator?is?mounted?on?the?pump.?The?Malmberg?Backflow?protection?is?delivered?as?a?complete?unit?i.e.?including?control?equipment,?hose?with?mouthpiece?and?ball?valve.??Technical?data?Voltage:???? 230?V? ?Engine?power:???????????????????? 0,9?kW?Engine?nominal?current:???? 5,9?A?Max.?Pressure?head:???????????? 68?m?Max?flow:? 70?l/min?Max?temp.?of?pumped?liquid:???40?ºC?Water?connection:????????????????? DN?20??Operating?pressure:?? 36?m?Operation?Flow:??66?l?/?min?Based?on?the?enclosed?equipment?and?mouthpiece.??Facts:?System?grade?5.?In?accordance?with:?SS?EN-1717.?Protection?modulus?type:?AB? Malmberg Water AB, SE-296 85 Åhus, Sweden. Phone: +46 44-780 18 00. Fax: +46 44 780 19 90. www.malmberg.se