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Circulating pumpFeatures:1) Identification code: RS20/11a) WRS screwed-end pumpb) 20/connection sizec)11 rated shut-off heads (m) 2) Technical data:a) Suitable fluids: heating water to VD12035b) Heating water: i) Water/glycol mixtures max. mixing ratio: 1:1c) Performance:i) Fluid temperature range: -10oC - +110oCii) Max. working pressure: 10 barsiii) Ambient temperature: permissible up to 40oC d) Power:i) Main power: 1 - 230V, 50Hz e) Motor:i) Degree of protection: lp44ii) Insulation class: F f) Construction materials:i) Pump body: cast ironii) Impeller: PPO, stainless steel on requestiii) Shaft: porcelainiv) Bearings: graphite or ceramic3) Mounting positions:a) Pump shaft in the horizontal plane, terminal boxb) Optional 3, 6, 9 or 12 o'clock 4) Pump equipment:a) Screwed end single head pumpb) Manual 3-speed controlc) Non-overloading single phase motord) Cast iron body, 180mm port-to-porte) Cast iron body, 130mm port-to-port Pump modelPowerFlowL/minHeadMInlet/outlet INGWkgWHPRS20/11(hi